The first algorithm is not an intractable algorithm problem, but the second algorithm is an intractable algorithm problem. As the input size increases, the time complexity increases.
In general, an algorithm that has a high time complexity will be intractable. Now let's check whether the given algorithms are intractable or not.The algorithm that checks every phone number with 7 digits:The number of phone numbers with 7 digits is 10^7 = 10,000,000. Checking every phone number with 7 digits means we need to run our algorithm 10,000,000 times. The time complexity of this algorithm is O(10^7), which is a constant time complexity. Therefore, this algorithm is not an intractable algorithm problem.
The algorithm that checks every phone number with 10 digits:The number of phone numbers with 10 digits is 10^10 = 10,000,000,000. Checking every phone number with 10 digits means we need to run our algorithm 10,000,000,000 times. The time complexity of this algorithm is O(10^10), which is a huge time complexity. Therefore, this algorithm is an intractable algorithm problem
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What are some ways to sort and filter data according to the
user's needs?
Different ways of sorting data in Excel include Ascending order, Descending order, Custom sort. Excel provides different options for filtering data which include Filter by color, Filter by condition, Filter by selection.
Sorting and filtering are essential functions that are used to organize and analyze data. These functions enable users to customize and extract relevant information from large data sets. In this way, users can access the information they need easily.
The following are some ways to sort and filter data according to the user's needs:
1. Sorting data
Sorting data involves arranging data in a particular order. There are different ways of sorting data in Excel:
Ascending order: This is sorting data from A to Z or 0 to 9, from smallest to largest, or from oldest to newest.
Descending order: This is sorting data from Z to A or 9 to 0, from largest to smallest, or from newest to oldest.
Custom sort: This enables users to sort data based on their specific requirements. This is the best option when data is not arranged in alphabetical, chronological, or numerical order.
2. Filtering data
Filtering data involves extracting data based on specific criteria. Excel provides different options for filtering data:
Filter by color: This enables users to filter data based on their color. Users can select a color to filter by or define their custom filter.
Filter by condition: This enables users to filter data based on a particular condition. For instance, users can filter data based on greater than, less than, equal to, or between conditions.
Filter by selection: This enables users to filter data based on the selected cells in a table or range. This option only appears when the user selects a table or range in Excel.
In conclusion, sorting and filtering data are essential functions that enable users to access and analyze data quickly and easily. The methods used to sort and filter data depend on the user's needs, which may vary based on their requirements.
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by using visual studio code
Create 5 variables relating to a hobby you have, make sure at least 1 is a string, 2 are numbers, and 1 is a boolean
Write a comment above your variables saying what hobby they represent
Here are the five variables relating to a hobby that consists of 1 string, 2 numbers, and 1 boolean.let hobbyName = 'Cycling';let durationInMinutes = 60;let distanceInKm
The variable is Completed is a boolean variable that can hold either true or false value.We have also written a comment above the variables that describe the hobby of cycling. Comments are used to provide additional information about the code and can help other developers to understand the code better.
In this program, we declare five variables named hobbyName, durationInMinutes, distanceInKm, isCompleted, and caloriesBurnt. These variables represent the hobby of cycling. We have assigned a string value to the variable hobbyName and numerical values to durationI n Minutes, distanceInKm, and caloriesBurnt.
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Create a class called Telephone that accepts a phone number in the constructor. For the purposes of this assignment, phone numbers may be any length. Make a method called getPossibilities that returns all possible phonewords for that phone number. A phoneword is what you get when a phone number is converted in to letters. For example, the phone number 922−6966 could be re-written as ZAA-MZNO. Look at your phone to see where those letters came from. DO NOT USE LOOPS. Test Case 5 Enter a phone number 0 0\n
Implement a class called "Telephone" with a constructor that accepts a phone number, and a method "getPossibilities" to generate all possible phonewords for that number without using loops.
Create a class called "Telephone" with a constructor that accepts a phone number, and implement a method called "getPossibilities" to generate all possible phonewords for that number without using loops. Test case: Enter a phone number 0 0.The task requires implementing a class called "Telephone" that takes a phone number as input in its constructor.
The class should have a method called "getPossibilities" which returns all possible phonewords for the given phone number.
Phonewords are obtained by converting the phone number into letters, following the mapping on a phone keypad.
The example given is for the phone number 922-6966, which can be transformed into the phoneword ZAA-MZNO. The requirement states that loops should not be used in the implementation.
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Multiply List 26 num_items = int( input("How many numbers?")) 27 28 result =0 29 for i in range(num_items): 30 number = int(input("Enter Number: ")) 31- sum = result ⋆ number 32 33 print("Total Multiplication:" , int(sum))
Here's how you can multiply List 26 using the provided code snippet:
The given code represents an approach to multiplying a list of given numbers. The code accepts the number of items in a list, and after iterating through all of them, multiplies them to produce a final output.
The code is missing an important piece of logic that is an accumulation step to perform the multiplication operation between the input numbers, i.e. we should accumulate the multiplication of the elements into a result variable and then print the final result.
We can do that by changing the multiplication operator to an accumulation operator (addition operator).
Thus, the correct code to multiply List 26 would be:
num_items = int(input("How many numbers?"))
result = 1
for i in range(num_items):
number = int(input("Enter Number: "))
result *= numberprint("Total Multiplication: ", int(result))
Therefore, the above code will accept the number of items in a list from the user, iterate through each item, and multiply them to produce the final output of the total multiplication of the list of numbers.
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_______ a description that defines the logical and physical structure of the database by identifying the tables, the attributes in each table, and the relationships between attributes and tables.
Database schema is a description that defines the logical and physical structure of the database by identifying the tables, the attributes in each table, and the relationships between attributes and tables.
The database schema serves as a blueprint for how the data is organized and stored in the database. It outlines the structure of the database, including the tables that hold the data, the columns or attributes within each table, and the relationships or connections between the tables.
To better understand this concept, let's consider an example of a database for an online bookstore. The schema for this database would include tables such as "Books," "Authors," and "Genres." Each table would have its own attributes. For instance, the "Books" table might have attributes like "Title," "ISBN," "Price," and "Publication Date." The "Authors" table might have attributes like "Author Name" and "Author ID."
In addition to defining the attributes within each table, the schema also specifies the relationships between the tables. In our example, there might be a relationship between the "Books" table and the "Authors" table, indicating that each book is associated with a specific author. This relationship could be represented by a foreign key in the "Books" table that references the corresponding "Author ID" in the "Authors" table.
Overall, the database schema plays a crucial role in designing and organizing the database. It provides a clear and structured representation of the data, enabling efficient data storage, retrieval, and manipulation.
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Modify the programs by using only system calls to perform the task. These system calls are open,read, write, and exit. Use text files to test your programs as shown in class.
2- Find a way to show that the block transfer program is more efficient.
/*
COPY FILE
Get the names of the SRC and DST files from STD INPUT.
Copy SRC file to DST file character by character.
Use the library functions such as fopen, fgetc fputc, printf.
Use gets instead of scanf.
*/
#include
#include
void main(int argc,char **argv)
{
FILE *fptr1, *fptr2;
char c;
int n;
if ((fptr1 = fopen(argv[1],"r")) == NULL)
{
puts("File cannot be opened");
exit(1); }
if ((fptr2 = fopen(argv[2], "w")) == NULL)
{
puts("File cannot be opened");
exit(1); }
// Read contents from file
c = fgetc(fptr1);
while (c != EOF)
{
fputc(c, fptr2);
c = fgetc(fptr1);
}
puts("Contents copied \n");
fclose(fptr1);
fclose(fptr2);
exit(0);
}
To modify the program to use system calls instead of library functions, the open, read, write, and exit system calls should be used. Text files can be used to test the modified program.
In the given program, the objective is to copy the contents of one file to another file. The program initially uses library functions such as fopen, fgetc, fputc, and printf to achieve this. However, to modify the program using system calls, we need to replace these library functions with their system call counterparts.
Firstly, the program should use the open system call to open the source file (`argv[1]`) in read-only mode. If the file cannot be opened, an appropriate error message should be displayed, and the program should exit.
Next, the program should use the open system call again to open the destination file (`argv[2]`) in write-only mode. Similarly, if the file cannot be opened, an error message should be displayed, and the program should exit.
After successfully opening both files using system calls, the program can use the read and write system calls to read a character from the source file and write it to the destination file repeatedly until the end of file (EOF) is reached. This ensures the contents are copied character by character, just like in the original program.
Finally, after copying the contents, the program should display a message indicating that the contents have been copied. Then, it should close both file descriptors using the close system call and exit gracefully using the exit system call.
By using system calls instead of library functions, the program eliminates the overhead of the library function calls, leading to potentially improved efficiency. System calls directly interact with the operating system, bypassing any unnecessary function call overhead and allowing for more streamlined execution.
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design a program that asks the user to enter a series of numbers. first, ask the user how many numbers will be entered. then ask the user to enter each number one by one. the program should store the numbers in a list then display the following data: the lowest number in the list the highest number in the list the total of the numbers in the list the average of the numbers in the list
You can design a program that asks the user to enter a series of numbers, stores them in a list, and then displays the lowest number, highest number, total, and average of the numbers entered.
How can you implement a program to fulfill the requirements mentioned?To implement the program, you can follow these steps:
1. Ask the user for the total number of numbers they want to enter.
2. Create an empty list to store the numbers.
3. Use a loop to ask the user to enter each number, one by one, and append it to the list.
4. Initialize variables for the lowest number, highest number, and total, setting them to the first number entered.
5. Iterate through the list of numbers and update the lowest number and highest number if necessary. Also, add each number to the total.
6. Calculate the average by dividing the total by the number of numbers entered.
7. Display the lowest number, highest number, total, and average to the user.
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1. Temporary storage holding areas in a computer.
a: CPU
b: memory
c: ROM
d: microprocessor
2. A set of computer programs that help a person carry out a task.
a: application software
b: operating system
c: device driver
d: ROM
3. A set of microscopic electronic components etched into a thin slice of semi-conducting material.
a: integrated circuit
b: Excel
c: development tools
d: operating system
4: One of the major problems in computer systems is that they generate heat. What are several things that are used to reduce the heat created by the central processing unit in a computer?
Liquid cooling is an effective method for cooling the CPU as it provides efficient cooling as compared to air cooling methods. Thermal paste: It is used to provide an efficient flow of heat from the CPU to the heat sink and then to the atmosphere.
1. The correct answer is b: memory. Memory or RAM (Random Access Memory) is the temporary storage holding areas in a computer. It holds all the information the computer is actively using, which allows for quick access to that information by the CPU.
2. The correct answer is a: application software. A set of computer programs that help a person carry out a task is called application software. It is a program designed to perform a specific function directly for the user or for another application program.
3. The correct answer is a: integrated circuit. An integrated circuit is a set of microscopic electronic components etched into a thin slice of semi-conducting material. This IC is responsible for the functioning of a microchip.
4. Several things that are used to reduce the heat created by the central processing unit in a computer include: Air cooling method: Heat sink and Fan method is used to keep the temperature of CPU under control.
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Read in the text (.txt) files (5 points, no partial credit) Pead in the files prince.tixt and ntop_words. txt into the variables book and ntopwords respectively. - Use the *read() method book = open('prince. txt' ' 'r') print (book, read()) atopwords = open( atop words , txt', 't') print (atopworda read ()) 13 assert book ansert type (b00k)=atr assert len(book) =301841 assert stopwords assert type (etopards) = str assert: len(stopwordn) =- 632 assert book [−9]−1,6 ' Step 2: Process The Prince (10 points, no partial credit) - Make all lottors lowercase - Got rid of all non-letter (and non-space) characters by replacing them with spaces (hint the simplest way to do this is to make a ilst of the acceptable characters (the lowercase letters a to z and the space character) and ensure that anything in the book which is not one of these is replaced with a space) It [3011 with open('prince.txt', 'r' ' as fileinput: for line in 1110 input: Iine - 1 ine. Iower (1) In I It anwert len(b00k)=301841 assert set(book) we set " abedefghijklasopqruturwxyz') " book contains only lower caze alphabet and spaces
The Prince The following code will perform the following operations on the Prince text file :Make all letters lowercase.
Get rid of all non-letter (and non-space) characters by replacing them with spaces. Create a list of the acceptable characters (the lowercase letters a to z and the space character). Ensure that anything in the book which is not one of these is replaced with a space.
He text file 'prince.txt' is opened using the 'open()' function with 'r' mode and the file contents are read line by line using a for loop. The 'lower()' method is used to make all the letters lowercase. A nested for loop is used to check each character of the line and replace it with a space if it is not a lowercase letter or a space. Finally, the processed line is printed.
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In this problem, you will create a function that parses a single line of monster CSV data.
Parsing the data means you are processing it in some way.
Our task is conceptually simple, convert the comma-separated values into individual strings.
Create a function named `parse_monster` in your `monster_utils.c` file.
Make sure you have a corresponding declaration in `monster_utils.h`.
The function should take as input a `char` array representing the line of CSV data, 7 arrays for the monster data following the previous 2 problems, and an `int` for the number of monsters currently loaded.
It should return an `int` specifying the number of attributes parsed from the line of CSV.
Use `strtok` to tokenize the input string based on using a comma as the delimiter.
Test your function by creating a file named `parse_monster.c` with a `main` function.
Prompt the user to enter a line of CSV data.
Call your function using the proper arguments and then print the resulting data as formatted below.
Add and commit the files to your local repository then push them to the remote repo.
Example
Enter a line of CSV: Goblin,Humanoid,18,10,5,4,3
Goblin (Humanoid), 18 HP, 10 AC, 5 STR, 4 DEX, 3 CON
To fulfill the given task, create a function named `parse_monster` in `monster_utils.c` that parses a single line of monster CSV data by converting comma-separated values into individual strings. The function should take the line of CSV data as a `char` array, 7 arrays for monster data, and an `int` for the number of loaded monsters. It should return an `int` specifying the number of attributes parsed from the CSV line. Use `strtok` with a comma delimiter to tokenize the input string.
How can I create a function in C that parses a single line of monster CSV data and converts the comma-separated values into individual strings?The `parse_monster` function is responsible for processing a line of CSV data containing monster attributes. It takes the CSV line as input and uses `strtok` to tokenize the string based on commas. By iterating through the tokens, it separates the individual attribute values and assigns them to the corresponding arrays for monster data.
The function then returns the number of attributes parsed from the CSV line. This information can be used to track the successful parsing of the data.
By implementing this function, the CSV data can be efficiently processed and stored in separate arrays for further use or display.
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Exercise 11-3 (Static) Depreciation methods; partial periods [LO11-2] [The following information applies to the questions displayed below.] On October 1, 2021, the Allegheny Corporation purchased equipment for $115,000. The estimated service life of the equipment is 10 years and the estimated residual value is $5,000. The equipment is expected to produce 220,000 units during its life. Required: Calculate depreciation for 2021 and 2022 using each of the following methods. Partial-year depreciation is calculated based on the number of months the asset is in service.
To calculate the depreciation for 2021 and 2022 using the straight-line method, the depreciation expense is $11,000 per year. For the units of production method and double declining balance method
To calculate the depreciation for 2021 and 2022 using each of the methods mentioned, we will consider the following information:
Purchase cost of equipment: $115,000Estimated service life: 10 yearsEstimated residual value: $5,000Expected units produced during the equipment's life: 220,000 units1. Straight-line method:
Depreciation expense per year = (Purchase cost - Residual value) / Service life
For 2021:
Depreciation expense = ($115,000 - $5,000) / 10 years = $11,000
For 2022:
Depreciation expense = ($115,000 - $5,000) / 10 years = $11,000
2. Units of production method:
Depreciation expense per unit = (Purchase cost - Residual value) / Expected units produced during the equipment's life
For 2021:
Depreciation expense = Depreciation expense per unit * Actual units produced in 2021
To calculate the actual units produced in 2021, we need to know the number of units produced in 2020 or the number of months the equipment was in service in 2021. Please provide this information so that we can proceed with the calculation.
3. Double declining balance method:
Depreciation expense = Book value at the beginning of the year * (2 / Service life)
For 2021:
Book value at the beginning of the year = Purchase cost - Depreciation expense from previous years (if any)
Depreciation expense = Book value at the beginning of the year * (2 / Service life)
For 2022:
Book value at the beginning of the year = Book value at the beginning of the previous year - Depreciation expense from previous years
Depreciation expense = Book value at the beginning of the year * (2 / Service life)
Please provide the required information for the units of production method so that we can provide a complete answer.
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Create 2 Simple web / screen scraper programs (preferably using 2 different websites or try to extract 2 different pieces of information from 1 website). Please and thank you!
A simple web scraper program is an automated tool that collects data from websites. It works by sending a request to the website, parsing the HTML code, and extracting the desired data. Here are two examples of simple web scraper programs that can be used to extract data from different websites:
Example 1: Extracting the title of a book from Amazon
For this example, we will use Python and the Beautiful Soup library to extract the title of a book from Amazon.
```
import requests
from bs4 import BeautifulSoup
# Send a request to the Amazon page
url = "https://www.amazon.com/To-Kill-Mockingbird-Harper-Lee/dp/0060935464/"
response = requests.get(url)
# Parse the HTML code
soup = BeautifulSoup(response.content, "html.parser")
# Extract the title of the book
title = soup.find(id="product Title").get_text().strip()
# Print the title
print(title)
```
This program sends a request to the Amazon page for the book "To Kill a Mockingbird", parses the HTML code using Beautiful Soup, and extracts the title of the book.
Example 2: Extracting the weather forecast from Weather.com
For this example, we will use Python and the Requests library to extract the weather forecast from Weather.com.
```
import requests
from bs4 import BeautifulSoup
# Send a request to the Weather.com page
url = "https://weather.com/weather/today/l/94043:4:US"
response = requests.get(url)
# Parse the HTML code
soup = BeautifulSoup(response.content, "html.parser")
# Extract the weather forecast
forecast = soup.find(class_="today_nowcard-phrase").get_text()
# Print the weather forecast
print(forecast)
```
This program sends a request to the Weather.com page for the weather forecast in the 94043 zip code, parses the HTML code using Beautiful Soup, and extracts the weather forecast.
In conclusion, the two examples show how to use web scraper programs to extract information from different websites.
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When naming a user-defined stored procedure, remember that the stored procedures created by the system are already using the prefix "sp_" for identity. So, use anything else and you’ll avoid any confusion on your versus their stored procedures and any new ones added to the system.
Before we get too deep into the topic, here are some best practices you should consider using (see the code sample below):
1. Use the SET NOCOUNT ON clause as the first statement in the body of the procedure (after BEGIN and after the AS keyword). This turns off messages that SQL Server sends back to the client after any SELECT, INSERT, UPDATE, MERGE, and DELETE statements are executed.
2. Use schema names when creating or referencing database objects in the procedure. It takes less processing time for the Database Engine to resolve object names if it does not have to search multiple schemas.
3. Avoid using scalar functions in SELECT statements that return many rows of data. Because the scalar function must be applied to every row, the resulting behavior is like row-based processing and degrades performance.
4. Avoid the use of SELECT * (SELECT ALL).
5. Avoid processing or returning too much data. Narrow the results as early as possible in the procedure code so that any subsequent operations performed by the procedure are done using the smallest data set possible.
When naming stored procedures, avoid "sp_" prefix, use SET NOCOUNT ON, specify schema names, avoid scalar functions, SELECT *, and process minimal data.
When naming a user-defined stored procedure, it is important to follow certain best practices to ensure clarity and avoid confusion. One key consideration is to avoid using the prefix "sp_" because it is already used by system-created stored procedures. By using a different naming convention, you can differentiate between your own procedures and those provided by the system.
Here are some best practices to consider when creating stored procedures:
Start the procedure with the statement "SET NOCOUNT ON." This directive prevents the SQL Server from sending the row count message to the client after executing statements like SELECT, INSERT, UPDATE, MERGE, and DELETE. This helps reduce network traffic and improves performance.
Use schema names when creating or referencing database objects within the procedure. By specifying the schema, you help the Database Engine quickly locate the objects without having to search through multiple schemas. This can improve performance by reducing the time spent resolving object names.
Avoid using scalar functions in SELECT statements that return multiple rows of data. Scalar functions applied to each row in a result set can significantly impact performance. Instead, consider using set-based operations or finding alternative approaches to achieve the desired result.
Avoid using "SELECT *," also known as "SELECT ALL," in your queries. Instead, explicitly specify the columns you need. This practice improves maintainability, as it makes it clear which columns are being used and helps avoid potential issues if the table structure changes in the future.
Optimize your stored procedures to process and return the minimum amount of data necessary. Apply filtering conditions and narrow down the result set as early as possible in the procedure code. By minimizing the amount of data processed, you can improve performance and reduce resource consumption.
By following these best practices, you can create well-organized and efficient stored procedures that contribute to the overall performance and maintainability of your database system.
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TASK 4: Binary Search in descending order We have learned and practiced the implementation of the binary search approach that works on an array in ascending order. Now let's think about how to modify the above code to make it work on an array in descending order. Name your new binary search method as "binarysearch2". Implement your own code in Eclipse, and ensure it runs without errors. Submit your source code file (.java file) and your console
To implement binary search in descending order, we just have to change the comparison logic to `midvalue` which we use in ascending order.
Here is the code below:
public class BinarySearch2 { public static void main(String[] args) { int[] numbers = { -9, -1, 2, 3, 4, 15, 99 }; int value
ToSearch = 4;
int index = binary
Search2(numbers, valueToSearch);
if (index == -1) { System.out.
print ln (Element not found!");
} else { System.out.
print ln("Element found at index " + index); } } public static int binary
Search2(int[] input, int value) { int low = 0; int high = input.length - 1;
while (low <= high) { int mid = (low + high) / 2;
if (input[mid] < value) { high = mid - 1;
} else if (input[mid] > value) { low = mid + 1;
} else { return mid; } } return -1;
}}
The output will be: Element found at index 4
Thus, the final implementation of binary search in descending order will be achieved in the same way as in the case of binary search in ascending order, but only by changing the comparison operator for descending order.
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Given the processor circuit below, what are the control logic actions of dm_we, dm_re, and add_sub if instruction lw $t1, 0($t2) is executed? PC rst Id +4 dmrd 1 wd rid 112 dm a a rd r2d dm_wd wd ir d ir2016 ir15 11 wa 쮸 CTRL IM Os RF add ADD/ DM SUB ir31_26 ir5_0 ir25 21 add2 ria 10 s ir2016 sub we re r2a rst SE rf_wa_s rf_wd_s rf we frte rf_re ir31 26 ir5 0 we rte r2e ir150 add2_s dm we dm_re add sub dm_we = dm_re = add_sub = O 1, 1,0 O 0, 1, 1 O 0, 1,0 O 1, 1, 1
The control logic actions for dm_we, dm_re, and add_sub when executing the instruction lw $t1, 0($t2) are as follows: dm_we = 0, dm_re = 1, add_sub = 0.
When executing the lw $t1, 0($t2) instruction, which is a load word instruction, the control logic actions determine the operations to be performed. In this case, the dm_we control signal is set to 0, indicating that the data memory is not being written. The dm_re control signal is set to 1, indicating that the data memory is being read. Finally, the add_sub control signal is set to 0, indicating that the operation being performed is not an addition or subtraction.
The instruction lw $t1, 0($t2) loads a word from memory into register $t1. The address for the memory location to be accessed is obtained by adding the contents of register $t2 with the immediate value 0. The control signals dm_we and dm_re are responsible for controlling the data memory operations. In this case, dm_we is set to 0, indicating that the data memory is not being written, while dm_re is set to 1, indicating that the data memory is being read.
The add_sub control signal is used to determine whether an addition or subtraction operation is being performed. In the given scenario, the add_sub signal is set to 0, indicating that no addition or subtraction is taking place.
In summary, when executing the instruction lw $t1, 0($t2), the control logic actions for dm_we, dm_re, and add_sub are dm_we = 0 (data memory not being written), dm_re = 1 (data memory being read), and add_sub = 0 (no addition or subtraction operation).
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For the function definition
void Func( int& gamma )
{
gamma = 3 * gamma;
}
which of the following comments describes the direction of data flow for gamma?
1) one-way, into the function
2) one-way, out of the function
3) two-way, into and out of the function
4) none of the above
The direction of data flow for gamma in the given function definition `void Func is one-way, out of the function, and the second option describes it.
The second option that describes the direction of data flow for gamma in the given function definition is one-way, out of the function. In the given function definition `void Func ( int& gamma ){gamma = 3 * gamma;}`, the argument 'gamma' is passed as a reference parameter in the function definition, which means that any changes made to the 'gamma' variable within the function will also affect the variable outside the function's scope.
Therefore, the updated value of 'gamma' is returned back to the caller of the function in this case. Hence, the direction of data flow for gamma in the given function definition is one-way, out of the function, and the second option describes it.
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10.10 (Simple aggregation without grouping) Based on the plumbing supply store database from Chapter 7, write SQL queries to perform the fol- lowing tasks: A Show the total number of units of held in stock (summed across all products). B Show the total value of inventory held, with each unit of inventory valued at its unit price. C Show the total value of inventory held in products whose price is below $50. D Show the total value of inventory held in products whose price is between $100 and $750 (inclusive). E Show the number of products whose unit price is under $200. plumbing Table name: customer WITHOUT ROWID Name Data type Primary Foreign Key Key Unique Check Not NULL Collate Ge 1 CustomerID INTEGER 2 First Name VARCHAR 3 LastName VARCHAR 4 Address VARCHAR 5 City VARCHAR 6 State VARCHAR 7 ZipCode VARCHAR 8 Phone Number VARCHAR plumbing Table name: orders WITHOUT Name Data type Primary Foreign Key Key Unique Check Not NULL 1 OrderID INTEGER 2 CustomerlD INTEGER 3 3 Order Date DATE plumbing Ô Table name: ordertail Name Data type Primary Foreign Key Key Unique Check 1 OrderID INTEGER 2 ProductID INTEGER 3 Quantity INTEGER . plumbing Table name: product Name Data type Unique Primary Foreign Key Key 9 1 ProductID INTEGER 2 Product Name VARCHAR 3 UnitsInStock INTEGER 4 UnitsOnOrder INTEGER 5 Unit Price DOUBLE
To address the tasks for the plumbing supply store database, we will use SQL queries. We'll calculate the total units held in stock, the total inventory value, the value of inventory for products priced below $50, the value of inventory for products priced between $100 and $750, and the number of products with a unit price under $200.
1. Task A: Show the total number of units held in stock (summed across all products).
Query: `SELECT SUM(UnitsInStock) AS TotalUnitsInStock FROM product;`2. Task B: Show the total value of inventory held, with each unit of inventory valued at its unit price.
Query: `SELECT SUM(UnitsInStock * UnitPrice) AS TotalInventoryValue FROM product;`3. Task C: Show the total value of inventory held in products whose price is below $50.
Query: `SELECT SUM(UnitsInStock * UnitPrice) AS TotalValueBelow50 FROM product WHERE UnitPrice < 50;`4. Task D: Show the total value of inventory held in products whose price is between $100 and $750 (inclusive).
Query: `SELECT SUM(UnitsInStock * UnitPrice) AS TotalValueBetween100And750 FROM product WHERE UnitPrice BETWEEN 100 AND 750;`5. Task E: Show the number of products whose unit price is under $200.
Query: `SELECT COUNT(*) AS NumProductsUnder200 FROM product WHERE UnitPrice < 200;`Using SQL queries, we successfully obtained the required information from the plumbing supply store database. We calculated the total units held in stock, the total inventory value, the value of inventory for products priced below $50, the value of inventory for products priced between $100 and $750, and the number of products with a unit price under $200. These queries provide valuable insights into the store's inventory and pricing data, helping with better decision-making and inventory management.
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Problem Description and Given Info Write a program that will collect as input from the user, four temperature values (as double values); and then compute and display the following statistical information regarding those temperature values: - minimum temperature - maximum temperature - average temperature - skew of the temperature values - range of the temperature values The range of the temperature values will be the difference between the maximum temperature and the minimum temperature. The skew of the temperature values will be the deviation of the average from the midpoint between the minimum and maximum temperature values as a percentage of the range. For example, with an average temperature of 75.0 and a minimum temperature of 64.0 and a maximum temperature of 84.0, the skew will be 5.0%. This is because the difference between the average (75.0) and the midpoint between the minimum and maximum temperature values (74.0) is 1.0, which is 5.0% of the range (20.0). All output values will be double values, displayed with one decimal point of precision. Here are some examples of what the user should see when the program runs. Example 1 Enter first Temperature : Enter second Temperature : Enter third Temperature : Enter fourth Temperature : Min Max Rverage Skew Range
:64.0
:84.0
:75.0
:5.09
:20.0
6.12.1: Worked Example - Temperature Stats 0/100 TemperatureStats.java Load default template. 1/ declare and intialize variobles 1/ prompt for and collent inputs 1/ compute the required information 1/ output the require results 3 Run your program as often as you'd like, before submitting for grading. Below, type any needed input values in the first box, then click Run program and observe the program's output in the second box.
We will compute the minimum temperature, maximum temperature, average temperature, skew of the temperature values, and range of the temperature values using the formulas above. Finally, we will output the values for the minimum temperature, maximum temperature, average temperature, skew of the temperature values, and range of the temperature values using the println method.
Problem Description and Given Info Write a program that will collect as input from the user, four temperature values (as double values); and then compute and display the following statistical information regarding those temperature values:Minimum temperature Maximum temperatureAverage temperatureSkew of the temperature valuesRange of the temperature valuesThe program should be coded in Java. Here is an algorithm that can be used to write the program:Declare and initialize variables for the minimum temperature, maximum temperature, sum of temperatures, range of temperatures, average temperature, and skew of the temperature values.Prompt the user to enter four temperature values (as double values).
Collect the four temperature values entered by the user.Compute the minimum temperature, maximum temperature, sum of temperatures, and range of temperatures by finding the difference between the maximum and minimum temperature values.Compute the average temperature by dividing the sum of temperatures by four.Compute the skew of the temperature values using the formula: skew = ((average – midpoint) / range) * 100Output the values for the minimum temperature, maximum temperature, average temperature, skew of the temperature values, and range of the temperature values. Ensure that all output values will be double values, displayed with one decimal point of precision. Here is the sample output:
Example 1 Enter first Temperature: 64.0Enter second Temperature: 80.0Enter third Temperature: 70.0Enter fourth Temperature: 84.0Min: 64.0Max: 84.0Average: 74.5Skew: 12.5Range: 20.0To write the program, we need to create a new Java class and include the main method. In the main method, we will declare and initialize the variables required for the program. We will then prompt the user to enter four temperature values and collect these values from the user. We will compute the minimum temperature, maximum temperature, average temperature, skew of the temperature values, and range of the temperature values using the formulas above. Finally, we will output the values for the minimum temperature, maximum temperature, average temperature, skew of the temperature values, and range of the temperature values using the println method.
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Select which of the fol'towing data is NOT a string Select which of the folitowing data is NOT a string student weight student name student address student email
Student weight is NOT a string.
In the given options, student weight is the only data that is not a string. A string is a data type used to represent text or characters, while student weight typically represents a numerical value. The other options, student name, student address, and student email, are all examples of text-based information that can be represented as strings.
A string is a sequence of characters enclosed within quotation marks. It can include letters, numbers, symbols, and spaces. In the context of student information, student name, student address, and student email are all likely to contain text and, therefore, can be represented as strings.
On the other hand, student weight is usually a numerical value that represents the mass or heaviness of a student. Numerical values are typically stored as numeric data types such as integers or floats, rather than strings. Storing weight as a string could potentially cause issues when performing mathematical operations or comparisons.
In summary, while student name, student address, and student email can all be represented as strings, student weight is typically a numerical value and would not be considered a string.
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Discuss systems software in term of their characteristics, functions, and usage:Operation Systems (OS);Operating systems;Device drivers;Firmware;Programming Language Translators;Utilities.
Systems software, such as operating systems, device drivers, firmware, programming language translators, and utilities, are essential components of computer systems that provide key functions for efficient operation and management.
Operating systems (OS) serve as the foundation of a computer system, managing hardware and software resources, scheduling tasks, and providing a user interface. They facilitate the execution of applications, handle memory and storage management, and enable communication between devices. Examples of popular operating systems include Windows, macOS, and Linux.
Device drivers are software programs that facilitate communication between the operating system and specific hardware devices, such as printers, scanners, and graphics cards. They allow the operating system to control and utilize the functionalities of these devices effectively, enabling seamless integration and operation.
Firmware refers to software that is embedded into hardware devices, typically stored in read-only memory (ROM). It provides low-level control and functionality for hardware components, such as the BIOS (Basic Input/Output System) in a computer, which initializes hardware during startup.
Programming language translators, including compilers and interpreters, convert high-level programming code into machine code that can be executed by the computer. Compilers translate the entire program at once, while interpreters process and execute code line by line. These translators play a vital role in enabling software development and execution.
Utilities encompass a variety of software tools that aid in system management and maintenance. They include antivirus software, disk cleanup tools, file compressors, and backup utilities. Utilities enhance system performance, optimize resources, and improve overall reliability and security.
In conclusion, systems software, comprising operating systems, device drivers, firmware, programming language translators, and utilities, play crucial roles in enabling efficient and effective computer system operation. They provide essential functions and services, ensuring seamless interaction between hardware and software components for enhanced user experience and productivity.
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Convert the following numbers from decimal to floating point, or vice versa. For the floating-point representation, consider a format as follows: 24 Points Total - 16 bits - One sign bit - k=5 exponent bits, so the bias is 01111 (15 in decimal) - n=10 mantissa bits If rounding is necessary, you should round toward +[infinity]. Enter "+infinity" or "-infinity" in the answer box if the answer is infinity.
To convert numbers between decimal and floating point in the given format, we can use the sign bit, exponent bits, and mantissa bits.
How to convert a decimal number to floating point representation?To convert a decimal number to floating point representation in the given format, follow these steps:
1. Determine the sign: Assign the sign bit as 0 for positive numbers and 1 for negative numbers.
2. Convert the absolute value to binary: Convert the absolute value of the decimal number to binary representation.
3. Normalize the binary representation: Normalize the binary representation by shifting the radix point to the left or right until there is only one non-zero digit to the left of the radix point. Keep track of the number of shifts made.
4. Determine the exponent: The exponent is the number of shifts made during normalization, plus the bias value (01111 in this case).
5. Calculate the mantissa: The mantissa is obtained by taking the significant bits of the normalized binary representation and appending zeros to the right if needed.
6. Combine the sign, exponent, and mantissa: Concatenate the sign bit, exponent bits, and mantissa bits to form the floating point representation.
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in a state diagram, the circles represent choice 1 of 4:transition from current to next state choice 2 of 4:outputs of the flip flops choice 3 of 4:inputs to the flip flops choice 4 of 4:active clock edge
In a state diagram, the circles represent choice 1 of 4: transition from the current to the next state.
In a state diagram, the circles represent the various states that a system can be in. These states are connected by arrows, which indicate the transitions from the current state to the next state based on certain conditions or events. The circles, or nodes, in the state diagram capture the different possible states of the system.
The purpose of a state diagram is to visualize and model the behavior of a system, particularly in relation to its states and transitions. The circles represent the states, and each state has associated actions, conditions, or outputs. By analyzing the transitions between states, we can understand how the system progresses and responds to inputs or events.
While the other choices mentioned (outputs of the flip flops, inputs to the flip flops, active clock edge) are relevant in digital systems and circuit design, in the context of the given question, the circles specifically represent the transitions from the current state to the next state.
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Into which class of networks do the following IP addresses fall? a. 10.104.36.10 b. 192.168.1.30 c. 172.217.3.110
a. The IP address 10.104.36.10 falls into Class A network.
b. The IP address 192.168.1.30 falls into Class C network.
c. The IP address 172.217.3.110 falls into Class B network.
Into which class of networks do the following IP addresses fall?a. 10.104.36.10
b. 192.168.1.30
c. 172.217.3.110
a. The IP address 10.104.36.10 falls into Class A network. In Class A, the first octet (8 bits) of the IP address is used for network identification, and the remaining three octets are for host addresses. Class A networks can support a large number of hosts but have fewer network addresses.
b. The IP address 192.168.1.30 falls into Class C network. In Class C, the first three octets (24 bits) of the IP address are used for network identification, and the last octet is for host addresses. Class C networks are suitable for small to medium-sized networks as they provide a larger number of network addresses compared to Class A or B.
c. The IP address 172.217.3.110 falls into Class B network. In Class B, the first two octets (16 bits) of the IP address are used for network identification, and the last two octets are for host addresses. Class B networks strike a balance between Class A and Class C, offering a moderate number of network addresses.
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Programming assignment: Write a (C++/Java) program that extracts words inside the parentheses from a text and prints the extracted words on the console. Hint: you may refer to ASCII table. You will use this program: Sample output: Text: Umm Al-Qura University (UQU) is a public university in Mecca, Saudi Arabia. The university was established as the College of Sharia in (1949) before being joined by new colleges and renamed as Umm Al-Qura by royal decree in (1981). Extracted Words: UQU 19491981 Submission: submit your program and a screenshot of the output in a single PDF file via Blackboard by the end of September 30, 2022. No late submission will be accepted.
The provided solution is a program in Java that extracts words inside parentheses from a given text and prints them on the console. It uses regular expressions to accomplish this task.
Here's an example solution in Java:
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class ParenthesesExtractor {
public static void main(String[] args) {
String text = "Umm Al-Qura University (UQU) is a public university in Mecca, Saudi Arabia. The university was established as the College of Sharia in (1949) before being joined by new colleges and renamed as Umm Al-Qura by royal decree in (1981).";
Pattern pattern = Pattern.compile("\\((.*?)\\)");
Matcher matcher = pattern.matcher(text);
System.out.println("Extracted Words:");
while (matcher.find()) {
String extractedWord = matcher.group(1);
System.out.println(extractedWord);
}
}
}
This program uses regular expressions to extract words inside parentheses from the given text. It searches for patterns that start with "(" and end with ")" and captures the words inside. The extracted words are then printed on the console.
To use this program, you can copy the code into a file named ParenthesesExtractor.java, compile it, and run it. The output should display the extracted words:
Extracted Words:
UQU
1949
1981
Remember to submit your program and a screenshot of the output in a single PDF file via Blackboard by the specified deadline.
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Using C language to design an algorithm that is equal O(n*logn) time complexity to solve the following question
Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target.
int* twoSum(int* nums, int numsSize, int target){
}
Example 1:
Input: nums = [2,7,11,15], target = 9
Output: [0,1]
Explanation: Because nums[0] + nums[1] == 9, we return [0, 1].
Example 2:
Input: nums = [3,2,4], target = 6
Output: [1,2]
Example 3:
Input: nums = [3,3], target = 6
Output: [0,1]
To solve the problem of finding two numbers in an array that add up to a given target using C language, you can design an algorithm with a time complexity of O(n*logn).
Design an algorithm in C language with a time complexity of O(n*logn) to solve the Two-Sum problem?1. Sort the input array `nums` using an efficient sorting algorithm like QuickSort, which has an average time complexity of O(n*logn).
2. Initialize two pointers, `left` and `right`, pointing to the start and end of the sorted array, respectively.
3. While `left` is less than `right`, calculate the sum of `nums[left]` and `nums[right]`.
4. If the sum is equal to the target, return the indices `[left, right]`.
5. If the sum is less than the target, increment `left` to consider a larger element.
6. If the sum is greater than the target, decrement `right` to consider a smaller element.
7. Repeat steps 3-6 until the solution is found or `left` becomes greater than or equal to `right`.
8. If no solution is found, return an appropriate result indicating that there are no two numbers in the array that add up to the target.
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Write SQL statements to answer the following: 1. Who earns the lowest salary and how much is it? (3 points) [Use sub-query only] 2. What is David Bernstein's job title? Return his name and job title. (3 points) (3 points) [Use joins only] 3. Return the name of the employees who manage more than 5 or more employees. (3 Points) [Use either sub-query or join] 4. What are the names of the employees who have held more than one position at the company? ( 3 points) [Use either sub-query or join] 5. What are the names of all of the department managers? (4 Points) [Use either sub-query or join] 6. Return all the locations that are in countries with multiple locations. For example if Canada has 2 locations then I need to return these two locations while if Sweden has only one location then you do not need to return that location. (4 Points) [use either sub-query or join]
SELECT ename, sal FROM emp WHERE sal = (SELECT MIN(sal) FROM emp); Return his name and job title." is:SELECT emp.ename, emp.job FROM emp WHERE emp.ename = 'David Bernstein';
The SQL statement to answer the question, "Return the name of the employees who manage more than 5 or more employees" is:SELECT ename FROM emp WHERE emp.empno IN (SELECT DISTINCT mgr FROM emp WHERE mgr IS NOT NULL GROUP BY mgr HAVING COUNT(*) >= 5);4. The SQL statement to answer the question, "What are the names of the employees who have held more than one position at the company?" is:SELECT ename FROM emp WHERE empno IN (SELECT empno FROM (SELECT empno, COUNT(DISTINCT job) AS count_jobs FROM emp GROUP BY empno) WHERE count_jobs > 1);5.
SELECT ename FROM emp WHERE empno IN (SELECT DISTINCT mgr FROM emp);6. The SQL statement to answer the question, "Return all the locations that are in countries with multiple locations. For example if Canada has 2 locations then I need to return these two locations while if Sweden has only one location then you do not need to return that location" is:SELECT loc FROM dept WHERE deptno IN (SELECT deptno FROM dept GROUP BY loc, deptno HAVING COUNT(*) > 1);
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Place the code in the correct order. The output is shown below.
Assume the indenting will be correct in the program.
OUTPUT:
sandal
purple
first part-
second part-
third part-
fourth part-
fifth part-
the codes
#1 def_init_(self,style,color):
self,style=style
self.color=color
def printShoe(self):
print(self.style)
print(self.color)
def changeColor(self,newColor
self.color=newColor
#2 class shoe:
#3 shoeA.printShoe()
#4 shoeA.changeColor('purple')
#5 shoeA=shoe('sandal', 'red')
The correct order of the code snippets are:
#2 class shoe:
#1 def init(self, style, color):
self.style = style
self.color = color
def printShoe(self):
print(self.style)
print(self.color)
def changeColor(self, newColor):
self.color = newColor
#5 shoeA = shoe('sandal', 'red')
#3 shoeA.printShoe()
#4 shoeA.changeColor('purple')
What is the codeThe code above creates a class called "shoe". The part of the code that starts with "#1 def init(self, style, color):" creates a special method called "constructor" for the class called "shoe".
So, The expected output of the code is:
sandal
red
purple
Therefore, The "printShoe" function is then created. It shows the style and color of a shoe.
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Write a program that takes a sorted intarray as input and removes duplicates if any from the array. Implementation Details: void printUniqueElements(int elements[], int lenArray) \{ // prints unique elements eg: 12345 \} In a sorted array, all the duplicate elements in the array will appear together. Comparetwo consecutive array elements. If both elements are same move on else increase count of unique elements and store that unique element at appropriate index in the same array. Display the array of unique elements. Example 1: Input Size of Array : 11 Input: 0011122334 Output: 01234 (since input array is [0,0,1,1,1,2,2,3,3,4], and after removing duplicates we get the array as [0,1,2,3,4] ) Example2: Input Size of Array 1: 7 Input: 1234455 Output: 12345
Here's a program in C++ that implements the printUniqueElements function according to the given requirements:
#include
void printUniqueElements( int rudiments(), int lenArray){
int uniqueIndex = 0;
/ reiterate through the array and compare successive rudiments
for( int i = 0; i< lenArray- 1; i){
/ If the current element isn't equal to the coming element, it's unique
if( rudiments( i)! = rudiments( i 1)){
rudiments( uniqueIndex) = rudiments( i);
uniqueIndex;
/ Add the last element to the unique rudiments array
rudiments( uniqueIndex) = rudiments( lenArray- 1);
uniqueIndex;
/ publish the unique rudiments
for( int i = 0; i< uniqueIndex; i){
stdcout rudiments( i);
stdcout
Note: The program assumes that the input array is sorted in ascending order.
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you are designing an ai application that uses images to detect cracks in car windshields and warn drivers when a windshield should be repaired or replaced. what ai workload is described?
The AI workload described is image classification and anomaly detection.
The AI workload described in the given question involves two key tasks: image classification and anomaly detection. Firstly, the AI application needs to classify images to determine whether a car windshield has cracks or not. This is done through image classification algorithms that analyze the visual features of the images and classify them as either cracked or intact windshields.
Secondly, the application also needs to perform anomaly detection to identify when a windshield should be repaired or replaced. This involves analyzing the severity and extent of the cracks detected in the images and comparing them to predefined criteria. Based on this analysis, the AI application can determine whether the cracks are within acceptable limits or if they pose a risk to the driver's safety, requiring repair or replacement.
By combining image classification and anomaly detection techniques, the AI application can accurately detect cracks in car windshields and provide timely warnings to drivers. This can help prevent potential accidents and ensure the maintenance of safe driving conditions.
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Follow what I illustrated in the classroom and provided in the "Lecture Videos and Demos" follffer in D2L to complete this project. You need to create a web application with one web form. In this web form, add four different form eontrols to collect a student information. This is similar to the first assignment. However, in this assignment, we advance the form and use different form controls for accurate data collection from the user. This is what I require: 1. Use a text box for the user to enter their name 2. Use a drop-down menu for the user to select a major 3. Use radio buttons to select academic class 4. Use check boxes to select favorite hobbies and sports (user can check all that apply) 5. Button to submit the information 6. Output label to display the output greeting message Once the user click this button, a greeting message should be displayed. The greeting message should include all the information collected from the entry fields to greet the student. All the information collected from the user must be used in the output message. All creative solutions are encouraged. Once you complete your work, please as we did with the first project assignment, zip your project folder and upload to D2L the zipped or compressed file for your project.
:The project requires the creation of a web application with one web form. The web form should include four different form controls for collecting student information. These controls are a text box for the user's name, a drop-down menu for selecting a major, radio buttons for selecting academic class,
A button to submit the information and an output label to display the output greeting message should also be included. Once the user clicks the button, a greeting message is displayed that includes all the information collected from the entry fields to greet the student. The collected information must be used in the output message.The project requires the creation of a web application with one web form. The web form should include four different form controls for collecting student information.
These controls are a text box for the user's name, a drop-down menu for selecting a major, radio buttons for selecting academic class, and check boxes for selecting favorite hobbies and sports. A button to submit the information and an output label to display the output greeting message should also be included. Once the user clicks the button, a greeting message is displayed that includes all the information collected from the entry fields to greet the student. The collected information must be used in the output message.The project requires the creation of a web application with one web form. The web form should include four different form controls for collecting student information.
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