Write a statement that assigns total_coins with the sum of nickel_count and dime_count. Sample output for 100 nickels and 200 dimes is: 300

Answers

Answer 1

Answer:

total_coins = nickel_count + dime_count

Explanation:

The statement that performs the operation in the question is total_coins = nickel_count + dime_count

Full Program (Written in Python)

nickel_count = int(input("Nickel Count: "))

dime_count = int(input("Dime Count: "))

total_coins = nickel_count + dime_count

print("Total coins: ",total_coins)

The first two lines prompt user for nickel and dime count respectively

The third line adds the two coins categories together

The last line prints the total count of coins

Answer 2

The statement which gives the sum of nickel and dime is written below :

total_coins = nickel_count + dime_count

The statement required is written using Python 3 :

We could write these as a function :

def total(nickel_count, dime_count) :

total_coins = dime_count + nickel_count

print(total_coins)

total(100, 200)

#the function total takes in two arguments(number of nickels and number of dimes)

#assigns the varibale total_coins to the sum of nickel_count and dime_count

We could also write this in the form of a program which prompts users to enter values :

nickel_count = int(input('Enter count of nickel : '))

# User is prompted to enter number of nickels

dime_count = int(input('Enter count of dime : '))

# User is prompted to enter number of dimes

total_coins = nickel_count + dime_count

#assigns the varibale total_coins to the sum of nickel_count and dime_count

print(total_coins)

#outputs the value of total_coins

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Related Questions

"Players The files SomePlayers.txt initially contains the names of 30 football play- ers. Write a program that deletes those players from the file whose names do not begin with a vowel."

Answers

Answer:

I am writing a Python program that deletes players from the file whose names whose names do not begin with a vowel which means their names begin with a consonant instead. Since the SomePlayers.txt is not provided so i am creating this file. You can simply use this program on your own file.

fileobj= open('SomePlayers.txt', 'r')  

player_names=[name.rstrip() for name in fileobj]  

fileobj.close()  

vowels = ('a', 'e', 'i', 'o', 'u','A','E','I','O','U')

player_names=[name for name in player_names  

                     if name[0] in vowels]

fileobj.close()

print(player_names)

Explanation:

I will explain the program line by line.

First SomePlayers.txt is opened in r mode which is read mode using open() method. fileobj is the name of the file object created to access or manipulate the SomePlayers.txt file. Next a for loop is used to move through each string in the text file and rstrip() method is used to remove white spaces from the text file and stores the names in player_names. Next the file is closed using close() method. Next vowels holds the list of characters which are vowels including both the upper and lower case vowels.

player_names=[name for name in player_names  

                     if name[0] in vowels]

This is the main line of the code. The for loop traverses through every name string in the text file SomePlayers.txt which was first stored in player_names when rstrip() method was used. Now the IF condition checks the first character of each name string. [0] is the index position of the first character of each players name. So the if condition checks if the first character of the name is a vowel or not. in keyword is used here to check if the vowel is included in the first character of every name in the file. This will separate all the names that begins with a vowel and stores in the list player_names. At the end the print statement print(player_names) displays all the names included in the player_names which begin with a vowel hence removing all those names do not begin with a vowel.

All of the following are examples of being computer literate, EXCEPT ________. knowing how to use the web efficiently knowing how to build and program computers knowing how to avoid hackers and viruses knowing how to maintain and troubleshoot your computer

Answers

Answer:knowing how to build and program computers.

Explanation:

Modify the DemoSalesperson application so each Salesperson has a successive ID number from 111 through 120 and a sales value that ranges from $25,000 to $70,000, increasing by $5,000 for each successive Salesperson. Save the file as DemoSalesperson2.java.

Answers

Answer:

Here is the modified DemoSalesperson2

public class DemoSalesperson2{ // class DemoSalesperson2

public static void main(String[] args) { //start of main() function body

SalesPerson[] sp = new SalesPerson[10]; // creates an array of SalesPerson object named sp

int start_id =111; // assign 111 to starting id number

double start_sal=25000; //assign 25000 to starting salary means salary will start from amount 25000

 for (int i =0; i<sp.length; i++) { //loop iterates until the value of loop variable i remains less then length of the array object sp

  sp[i] =new SalesPerson(start_id+i,start_sal+5000*(i)); /*at each iteration  ID number from 111 through 120 and a sales value that ranges from $25,000 to $70,000, increasing by $5,000 for each successive is displayed using object array sp[] which calls the SalesPerson constructor to access id and sales */

 System.out.println(sp[i].getId()+"   "+sp[i].getAnnualSales() );  } } } /*uses object sp of class SalesPerson to access the methods getId which returns the id and getAnnualSales method which returns the annual sales, to display id and annual sales */

Explanation:

The question first requires a SalesPerson class with these requisites:

Class name: Salesperson.

Data fields for Salesperson: int ID number , double annual sales amount.

Methods: constructor SalesPerson() that requires values for both data fields, as well as get and set methods for each of the data fields.

So according to the complete question's requirement, I have implemented SalesPerson class:

public class SalesPerson {   // class name

//data members: integer type id variable and double type sales variable

   private int id;  

   private double sales;  

   public SalesPerson(int id_no, double annual_sales) {   //constructor that requires values for id and sales

       id = id_no;  

       sales = annual_sales;     }  

   public int getId() {   //accessor getId() method to get or access the value of id data field

       return id;     }  

   public void setId(int id_no) {   //mutator setId to set the value of id data field

       id = id_no;     }  

   public double getAnnualSales() {   //accessor getAnnualSales() method to get or access the value of sales data field

       return sales;     }  

   public void setAnnualSales(double annual_sales) { //mutator setAnnualSales to set the value of sales data field

       sales = annual_sales;     }  }

However you can use my DemoSalesperson2 application for your own SalesPerson class.

Now I will explain the working of for loop used in DemoSalesperson2

Iteration 1:

i=0

i<sp.length is true because length of sp[] is 10 so i<10

This means the body of for loop will execute.

The statement inside the body of for loop is :

 sp[i] =new SalesPerson(start_id+i,start_sal+5000*(i));

class SalesPerson constructor is used to access the data members of SalesPerson class

start_id = 111

start_sal=25000

start_id+i = 111 + 0 = 111

start_sal+5000*(i) = 25000 + 5000 (0) = 25000

The values 111 and 25000 are stored to sp[0] means at the first index of the sp array.

System.out.println(sp[i].getId()+"   "+sp[i].getAnnualSales() );  

This statement uses sp object to get access to the getId and getAnnualSales methods to print the id number and sales amount.

So the output at 1st iteration is:

111   25000.0

Iteration 1:

The value of i is incremented to 1 so now i = 1

i<sp.length is true because length of sp[] is 10 so i<10

This means the body of for loop will execute.

The statement inside the body of for loop is :

 sp[i] =new SalesPerson(start_id+i,start_sal+5000*(i));

class SalesPerson constructor is used to access the data members of SalesPerson class

start_id = 111

start_sal=25000

start_id+i = 111 + 1 = 112

start_sal+5000*(i) = 25000 + 5000 (1) = 25000 + 5000 = 30000

The values 111 and 25000 are stored to sp[1] means at the first index of the sp array.

System.out.println(sp[i].getId()+"   "+sp[i].getAnnualSales() );  

This statement uses sp object to get access to the getId and getAnnualSales methods to print the id number and sales amount.

So the output at 1st iteration is:

112   30000.0

The loop keeps iterating and the value of id is incremented by 1 and value of sales is increased by 5000 at every iteration.

This loop continues to execute until the value of i exceeds the length of sp array i.e. 10.

The values from iteration 1 to 8 following the above explanation are:

Iteration 1:

111    25000.0

Iteration 2:

112    30000.0

Iteration 3:

113    35000.0

Iteration 4:

114   40000.0  

Iteration 5:

115   45000.0  

Iteration 6:

116   50000.0                                                          

Iteration 7:

117   55000.0                                                                                                      

Iteration 8:                                                                                      

118   60000.0      

Iteration 9:                                                                                    

119   65000.0

Iteration 10:                                                                                    

120   70000.0

At iteration 11 the for loop body will not execute as value of i at 11th iteration is i = 10 and i<sp.length evaluates to false as i = sp.length because length of sp array is 10 and now the value of i is also 10. So the loop ends. Screenshot of the program and its output is attached.

A ______________ deals with the potential for weaknesses within the existing infrastructure to be exploited.

Answers

Answer:

Threat assessment

Explanation:

A threat assessment deals with the potential for weaknesses within the existing infrastructure to be exploited.

Threat Assessment is further explained as the practice of determining or ascertaining the credibility and seriousness of a potential threat, and also the probability or chases of the threat will becoming a reality.

Threat assessment is separate to the more established procedure of violence-risk assessment, which seek to forcast an individual's general capacity and tendency to respond to situations violently. Instead, threat assessment aims to interrupt people on a route to commit "predatory or instrumental violence, the type of behavior connected with targeted attacks".

Answer:

Threat assessment

Explanation:

In an IT system, threat assessment is the analysis, evaluation and prevention of actions, events and operations that can greatly affect the system. It explores the potential for weaknesses within existing infrastructure to be exploited.

The threat assessment is a very important assessment that needs to be taken in virtually all domains. Here are a few reasons why it is important in an IT system;

i. Prevention of data loss

ii. Prevention of system or network of systems downtime

In carrying out threat assessment, one might need to do the following;

i. identification and prioritization of infrastructure including the software and hardware applications in the system.

ii. identification of potential threats such as system failure, natural disaster, unwanted access.

iii. identification of vulnerabilities in the system.

iv. analysing controls by determining who has access and who doesn't.

v. analysing the impact of a threat occurrence.

vi. documentation of analysis and evaluation results.

opearating system protection refers to a mechanism for controling access by programs, processes, or users to both system and user resources. briefly explain what must be done by the operating system protection mechanism in order to provide the required system protection

Answers

Answer:

The operating system must by the use of policies define access to and the use of all computer resources.

Policies are usually defined during the design of the system. These are usually default in settings. Others are defined and or modified during installation of the addon and or third-party software.

Computer Security Policies are used to exact the nature and use of an organisations computers systems. IT Policies are divided into 5 classes namely:

General PoliciesServer PoliciesVPN PoliciesBack-Up PoliciesFirewall Access and Configuration Policies

Cheers!

Write a sentinel-controlled while loop that accumulates a set of integer test scores input by the user until negative 99 is entered.

Answers

Answer:

Here is the sentinel-controlled while loop:

#include <iostream> //to use input output functions

using namespace std; // to identify objects like cin cout

int main(){ // start of main() function body

int test_score; // declare an integer variable for test scores

//prompts user to enter test scores and type-99 to stop entering scores

cout << "Enter the test scores (enter -99 to stop): ";

cin >> test_score; // reads test scores from user

while (test_score != -99){ // while loop keeps executing until user enters -99

cin >> test_score; } } // keeps taking and reading test scores from user

Explanation:

while loop in the above chunk of code keeps taking input scores from user until -99 is entered. Sentinel-controlled loops keep repeating until a sentinel value is entered. This sentinel value indicates the end of the data entry such as here the sentinel value is -99 which stops the while loop from iterating and taking the test score input from user.

The complete question is that the code should then report how many scores were  entered and the average of these scores. Do not count the end sentinel -99 as a score.

So the program that takes input scores and computes the number of scores entered and average of these scores is given below.

#include <iostream>  // to use input output functions

using namespace std;  // to identify objects like cin cout

int main(){  //start of main function body

double sum = 0.0;  // declares sum variable to hold the sum of test scores

int test_score,count =0;  

/* declares test_scores variable to hold the test scores entered by user and count variable to count how many test scores input by user */

cout << "Enter the test scores (or -99 to stop: ";

//prompts user to enter test scores and type-99 to stop entering scores

cin >> test_score;  // reads test scores from user

while (test_score != -99){  // while loop keeps executing until user enters -99

count++;  /* increments count variable each time a test cores is input by user to count the number of times user entered test scores */

sum = sum + test_score;  // adds the test scores

cin >> test_score;}  // reads test scores from user

if (count == 0)  // if user enters no test score displays the following message

cout << "No score entered by the user" << endl;

else  //if user enters test scores

//displays the numbers of times test scores are entered by user

cout<<"The number of test scores entered: "<<count;

/* displays average of test scores by dividing the sum of input test scores with the total number of input test scores */

cout << "\n The average of " << count << " test scores: " <<sum / count << endl;}

The program along with its output is attached.

Design a two-thread consensus protocol for a Stack class that provides two methods: push(x) and pop(). push(x) pushes a value onto the top of the stack, and pop() removes and returns the most recently pushed value.

Answers

Answer:

D. 10, 5.

Explanation:

A school has 100 lockers and 100 students. All lockers are closed on the first day of school. As the students enter, the first student, denoted S1, opens every locker. Then the second student, S2, begins with the second locker, denoted L2, and closes every other locker (i.e. every even numbered locker). Student S3 begins with the third locker and changes every third locker (closes it if it was open, and opens it if it was closed). Student S4 begins with locker L4 and changes every fourth locker. Student
S5 starts with L5 and changes every fifth locker, and so on, until student S100 changes L100.
After all the students have passed through the building and changed the lockers, which lockers areopen? Write a program to find your answer.
(Hint: Use an array of 100 boolean elements. each of which indicates whether a locker is open (true) or closed (false). Initially, all lockers are closed.)

Answers

Answer:

Following are the code to this question:

public class Locker //defining a class Locker

{

public static void main(String[] ax)//defining main method  

{

boolean[] locker = new boolean[101]; //defining boolean array locker that's size is 100.

int j,s1,k1,x;

x=locker.length;

for (j=1;j<x; j++)//defining loop to assigns value false in locker array

{

locker[j] = false;// assign value false

}

for (j=1;j<x; j++)//defining loop loop to assign value true in array  

{

locker[j] = true;//assign value true

}

for(s1=2; s1<x; s1++)//defining loop to count locker from 2nd place

{

for(k1=s1; k1<x; k1=k1+s1)// defining inner loop to assign value  

{

if(locker[k1]==false) //defining if block for check false value  

{

   locker[k1] = true;// if condition is true it assign value true

}

else //defining else block

{

   locker[k1] = false;//assign value false in locker array

}

}

}

for(s1=1; s1<x; s1++)//defining loop to print locker value

{

if (locker[s1] == true) //defining if block that check Locker array value is equal to true

{

System.out.println("Locker " + s1 + " Open");//print Locker value with message  

}  

}

}

}

Output:

Locker 1 Open

Locker 4 Open

Locker 9 Open

Locker 16 Open

Locker 25 Open

Locker 36 Open

Locker 49 Open

Locker 64 Open

Locker 81 Open

Locker 100 Open

Explanation:

In the above code, a class "Locker" is declared, inside the class main method is declared, in which a boolean array "locker" is declared that's size is 100, in the next line fouth integer variable " j,s1,k1, and x" is declared, in which variable x is used to hold the boolean array length value, and other variable used in the loop.

In the next step, two for loop is declared, in the first loop assign value "false" in locker array and in seconde loop it assigns the value "true".In the next step, multiple for loop it uses if block uses to check locker value equal to false then assign value true otherwise assign value false. At the last another loop is declared, that uses if block to check locker value is equal to true and print its value with the message.

#Write a function called "angry_file_finder" that accepts a #filename as a parameter. The function should open the file, #read it, and return True if the file contains "!" on every #line. Otherwise the function should return False. # #Hint: there are lots of ways to do this. We'd suggest using #either the readline() or readlines() methods. readline() #returns the next line in the file; readlines() returns a #list of all the lines in the file. #Write your function here!

Answers

Answer:

I am writing a Python function:

def angry_file_finder(filename):  #function definition, this function takes file name as parameter

   with open(filename, "r") as read:  #open() method is used to open the file in read mode using object read

       lines = read.readlines()  #read lines return a list of all lines in the file

       for line in lines:  #loops through each line of the file

           if not '!' in line:   #if the line does not contains exclamation mark

               return False  # returns False if a line contains no !

   return True     # returns true if the line contains exclamation mark

print(angry_file_finder("file.txt")) call angry_file_finder method by passing a text file name to it

                                                     

Explanation:

The method angry_file_finder method takes a file name as parameter. Opens that file in read mode using open() method with "r". Then it reads all the lines of the file using readline() method. The for loop iterates through these lines and check if "!" is present in the lines or not. If a line in the text file contains "!" character then function returns true else returns false.

There is a better way to write this method without using readlines() method.

def angry_file_finder(filename):

   with open(filename, "r") as file:        

       for line in file:

           if '!' not in line:  

               return False

   return True      

print(angry_file_finder("file.txt"))

Above method opens the file in read mode and just uses a for loop to iterate through each line of the file to check for ! character. The if condition in the for loop checks if ! is not present in a line of the text file. If it is not present in the line then function returns False else it returns True. This is a more efficient way to find a character in a file.

In e-mail, SSL/TLS provides ________. link encryption end-to-end encryption both link encryption and end-to-end encryption neither link encryption nor end-to-end encryption

Answers

Answer:

link encryption

Explanation:

In e-mail, SSL/TLS provides link encryption.

The SSL is an acronym for Secured Socket Layer and it is one of the secured way of authenticating and encrypting data between a computer and the mail server.

In the case of a TLS, it is an acronym for Transport Layer Security and it basically is used for providing authentication and encryption of data between two communicating systems on a network.

This ultimately implies that, SSL/TLS are standard network protocols that provides data integrity and privacy to users when communicating over the internet or networking devices as they're made to encrypt user credentials and data from unauthorized access. The SSL/TLS are an application layer protocol used for the encryption of mails sent over the internet, in order to protect user information such as username and password.

How to set up a simple peer-to-peer network using a star topology?

Answers

Answer:

The description including its scenario is listed throughout the explanation section below.

Explanation:

Star topology seems to be a LAN system under which all points are connected to a single cable link location, such as with a switch as well as a hub. Put it another way, Star topology is among the most commonly used network configurations.

Throughout this configuration or setup:

Each common network setups network unit, such as a firewall, switch, as well as computer. The main network computer serves as either a server as well as the peripheral system serves as just a client.

Write a flowchart and C code for a program that does the following: Within main(), it asks for the user's annual income. Within main(), it calls a function called printIt() and passes the income value to printIt(). The printIt() function evaluates the income, and if the number is over 90000, it prints a congratulatory message. If the income is not over 90000, it prints a message of encouragement, like "You WILL make $50,000, if you keep going."

Answers

Answer:

I am writing a C program:

#include <stdio.h> //to use input output functions

void printIt(double annual_in){ //function printIt

   if(annual_in >90000) //check if the income is greater than 90000

   printf("Congratulations. Doing great!"); //print this message if income value is greater than 90000

   else //if annual income is less than 90000

   printf("You WILL make $50,000, if you keep going"); } //print this message if income value is less than 90000

int main() //start of main() funciton body  

{   double income; //declares a double type variable income to hold annual income value

   printf("Enter annual income: "); //prompts user to enter annual income

   scanf("%lf",&income); //reads income value from user

   printIt(income); } // calls printIt method by passing input income to that function

     

Explanation:

The program is well explained in the comments mentioned with each statement of the program. The flowchart is attached.

First flowchart flow1 has a separate main program flowchart which reads the income and calls printIt function. A second flowchart is of prinIt() method that checks the input income passed by main function and displays the corresponding messages and return.

The second flowchart flow2 is the simple flowchart that simply gives functional description of the C program as flowchart is not where giving function definitions is important. Instead of defining the function printIt separately for this C program, a high-level representation of functional aspects of this program is described in second flowchart while not getting into implementation details.

4. Discuss the advantages and disadvantages of using the same system call interface for both files and devices. Why do you think operating system designers would use the same interface for both

Answers

Answer:

According to the principles of design, Repetition refers to the recurrence of elements of the design

One of the advantages of this is that it affords uniformity. Another is that it keeps the user of such a system familiar or with the interface of the operating system.

One major drawback of this principle especially as used in the question is that it creates a familiar route for hackers.

Another drawback is that creates what is called "repetition blindness". This normally occurs with perceptual identification tasks.

The  phenomenon may be  due to a failure in sensory analysis to process the same shape, figures or objects.

Cheers!

A simple operating system supports only a single directory but allows it to have arbitrarily many files with arbitrarily long file names. Can something approximating a hierarchical file system be simulated? How?

Answers

Answer:

Yes

Explanation:

Yes, something approximating a hierarchical file system be simulated. This is done by assigning to each file name the name of the directory it is located in.

For example if the directory is UserStudentsLindaPublic, the name of the file can be UserStudentsLindaPublicFileY.

Also the file name can be assigned to look like the file path in the hierarchical file system. Example is /user/document/filename

QUESTION 22 Select the correct statement(s) regarding Carrier Ethernet (CE). a. the Metro Ethernet Forum (MEF) created a CE framework to ensure the interoperability of service provider CE offerings b. MEF certified CE network providers, manufacturers and network professionals to ensure interoperability and service competencies c. MEF certified services include E-Line, E-LAN, E-Tree, E-Access, and E-Transit d. all are correct statements

Answers

Answer:

d. all are correct statements

Explanation:

CARRIER ETHERNET can be defined as the Ethernet which is a telecommunications network providers that provides and enables all Ethernet services to their customers and as well to help them utilize the Ethernet technology in their networks which is why the word “Carrier” in Carrier Ethernet networks is tend to refers to a large communications services providers that has a very wide reach through all their global networks. Example of the carriers are:

They help to provide audio, video, as well as data services to residential and to all business as well as enterprise customers.

CARRIER ETHERNET also make use of high-bandwidth Ethernet technology for easy Internet access and as well as for communication among the end users.

Therefore all the statement about CARRIER ETHERNET NETWORK are correct

a. Metro Ethernet Forum (MEF) is a type of ethernet which created a Carrier Ethernet framework in order to ensure the interoperability of service provider that the Carrier Ethernet is offerings.

b. The MEF also help to certifies CE network providers, as well as the manufacturers and network professionals in order to ensure interoperability as well as a great service competencies.

c. MEF certified services also include E-Line, E-LAN, E-Tree, E-Access, and E-Transit

Hence, MEF is an important part of Carrier Ethernet because they act as the defining body for them, reason been that they are as well telecommunications service providers, cable MSOs, as well as network equipment and software manufacturers among others.

If the object instance is created in a user program, then the object instance can access both the public and private members of the class using DOT notation (such as Rectangle r; r.area=10). True or False

Answers

Answer:

False

Explanation:

The private member of a class is not accessible by using the Dot notation ,however the private member are those which are not accessible inside the class they are accessible outside the class  .The public member are accessible inside the class so they are accessible by using the dot operator .

Following are the example is given below in C++ Language

#include<iostream>   // header file

using namespace std;  

class Rectangle

{    

   private:  

       double r; // private member  

   public:      

       double  area()  

       {     return 3.14*r*r;  

       }        

};  

int main()  

{    

  Rectangle r1;// creating the object  

   r1.r = 3.5;  

 double t= r1.area(); // calling

cout<<" Area is:"<<t;  

   return 0;  

}  

Output:

compile time error is generated

The correct program to access the private member of class is given below

#include<iostream>   // header file

using namespace std;  

class Rectangle

{    

   private:  

       double r; // private member  

   public:      

       double  area()  

       {    

r1=r;

double t2=3.14*r2*r2;

return(t2); // return the value  

       }        

};  

int main()  

{    

  Rectangle r1;// creating the object  

   r1.r = 1.5;  

 double t= r1.area(); // calling

cout<<" Area is:"<<t;  

   return 0;  

}  

Therefore the given statement is False

You have a 20-bit network part and a 4-bit subnet part. How many hosts can you have per subnet?
A) 14
B) 16
C) 254
D) none of the above

Answers

Answer:

tiddies

Explanation:

sukk

15. The primitive data types in JavaScript are:​

Answers

Answer:

The three primitive data types in JavaScript are:

1. Numbers

2. Strings of text(known as "strings")

3. Boolean Truth Values (known as "booleans")

k- Add the code to define a variable of type 'double', with the name 'cuboidVolume'. Calculate the volume of the cuboid and set this variable value.

Answers

Answer:

Here is the JAVA program to calculate volume of cuboid:

import java.util.Scanner; // Scanner class is used to take input from user

public class CuboidVol { // class to calculate volume of cuboid

public static void main(String[] args) { // start of main() function body

Scanner input= new Scanner(System.in); //create Scanner class object

// prompts user to enter length of cuboid

System.out.println("Enter the cuboid length:");

double length=input.nextDouble(); //reads the input length value from user

// prompts user to enter width of cuboid

System.out.println("Enter the cuboid width:");

double width=input.nextDouble(); //reads the input width from user

// prompts user to enter height of cuboid

System.out.println("Enter the cuboid height:");

double height=input.nextDouble(); //reads the input height from user

/* the following formula is to calculate volume of a cuboid by multiplying its length width and height and a double type variable cuboidVolume is defined to store the value of the resultant volume to it */

double  cuboidVolume= length*width*height; //calculates cuboid volume

//displays volume of cuboid and result is displayed up to 2 decimal places

System.out.printf("Volume of the cuboid (length " + length + "/ height " + height + "/ width" +width +" is: " + "%.2f",cuboidVolume);   } }

Explanation:

The formula for the volume of a cuboid is as following:

Volume = Length × Width ×  Height

So in order to calculate the volume of cuboid three variable are required for length, width and height and one more variable cuboidVolume to hold the resultant volume of the cuboid.

The program is well explained in the comments added to each statement of the program. The program prompts the user to enter the value of height width and length of cuboid and the nextDouble() method is used to take the double type input values of height length and width. Then the program declares a double type variable cuboidVolume to hold the result of the volume of cuboid. Then the last printf statement is used to display the volume of cuboid in the format format "Volume of the cuboid (length  / height  / width ) is" and the result is displayed up to 2 decimal places.

The screenshot of the program along with its output is attached.

How many times will the while loop that follows be executed? var months = 5; var i = 1; while (i < months) { futureValue = futureValue * (1 + monthlyInterestRate); i = i+1; }
a. 5
b. 4
c. 6
d. 0

Answers

Answer:

I believe it is A

Explanation:

Step1: This file contains just a program shell in which you will write all the programming statements needed to complete the program described below. Here is a sample of the current contents of areas.cpp 1 // Assignment 5 is to compute the area (s) WRITE A COMMENT BRIEFLY DESCRIBING THE PROGRAM PUT YOUR NAME HERE. 2 3 4 // INCLUDE ANY NEEDED HEADER FILES HERE 5 using namespace std;l 7 int main) 9// DEFINE THE NAMED CONSTANT PI HERE AND SET ITS VALUE TO 3.14159 10 11 // DECLARE ALL NEEDED VARIABLES HERE. GIVE EACH ONE A DESCRIPTIVE 12// NAME AND AN APPROPRIATE DATA TYPE 13 14// WRITE STATEMENTS HERE TO DISPLAY THE 4 MENU CHOICES 15 16// WRITE A STATEMENT HERE TO INPUT THE USERS MENU CHOICE 17 18// WRITE STATEMENTS TO OBTAIN ANY NEEDED INPUT INFORMATION 19// AND COMPUTE AND DISPLAY THE AREA FOR EACH VALID MENU CHOICE 20 / IF AN INVALID MENU CHOICE WAS ENTERED, AN ERROR MESSAGE SHOULD 21 /BE DISPLAYED 23 return 0 24 )
Step 2: Design and implement the areas.cpp program so that it correctly meets the program specifications given below Specifications: Sample Run Program to calculate areas of objects Create a menu-driven program that finds and displays areas of 3 different objects. The menu should have the following 4 choices 1 -- square 2 circle 3 - right triangle 4 - quit 1square 2 -- circle 3 -- right triangle 4quit Radius of the circle: 3.0 Area 28.2743 . If the user selects choice 1, the program should find the area of a square . If the user selects choice 2, the program should . If the user selects choice 3, the program should . If the user selects choice 4, the program should . If the user selects anything else (i.e., an invalid find the area of a circle find the area of a right triangle quit without doing anything choice) an appropriate error message should be printed

Answers

Answer & Explanation:

This program is written in C++ and it combines the step 1 and step 2 to create a menu driven program

Each line makes use of comments (as explanation)

Also, see attachment for program file

Program Starts Here

//Put Your Name Here; e.g. MrRoyal

//This program calculates the area of circle, triangle and square; depending on the user selection

//The next line include necessary header file

#include<iostream>

using namespace std;

int main()

{

//The next line defines variable pi as a constant with float datatype

const float pi = 3.14159;

// The next two lines declares all variables that'll be needed in the program

string choice;

float length, base, height, radius, area;

// The next four lines gives an instruction to the user on how to make selection

cout<<"Press 1 to calculate area of a square: "<<endl;

cout<<"Press 2 to calculate area of a circle: "<<endl;

cout<<"Press 3 to calculate area of a triangle: "<<endl;

cout<<"Press 4 to quit: "<<endl;

//This  next line prompts user for input

cout<<"Your choice: ";

//This next line gets user input and uses it to determine the next point of execution

cin>>choice;

if(choice == "1")  //If user input is 1, then the choice is area of square

{

 cout<<"Length: ";  //This line prompts user for length of the square

 cin>>length;  // This line gets the length of the square

 area = length * length;  //This line calculates the area

 cout<<"Area: "<<area;  //This line prints the calculated area

}

else if(choice == "2") //If user input is 2, then the choice is area of circle

{

 cout<<"Radius: ";  //This line prompts user for radius

 cin>>radius;  //This line gets radius of the circle

 area = pi * radius * radius;  // This line calculates the area

 cout<<"Area: "<<area;  //This line prints the calculated area

}

else if(choice == "3") //If user input is 2, then the choice is area of triangle

{

 cout<<"Base: "; //This line prompts user for base

 cin>>base;  //This line gets the base

 cout<<"Height: ";  //This line prompts user for height

 cin>>height;  //This line gets the height

 area = 0.5 * base * height;  //This line calculates the area

 cout<<"Area: "<<area;  //This line prints the calculated area

}

else if(choice == "4")  //If user input is 4, then the choice is to quit

{

 //Do nothing and quit

}

else  //Any other input is invalid

{

 cout<<"Invalid Option Selected";

}

return 0;

}

The famous Fibonacci sequence, 1, 1, 2, 3, 5, 8, 13, . . . , begins with two 1s. After that, each number is the sum of the preceding two numbers. Write a program using a recursive function that requests an integer n as input and then displays the nth number of the Fibonacci sequence.

Answers

Yo bro I just need help with you

Answer:

int recursiveFunction(int n) {

 

if (n == 0 || n == 1) {

 

 return n;

}

else {

 

 return recursiveFunction(n - 2) + recursiveFunction(n - 1);

}

Explanation:

#Write a function called align_right. align_right should #take two parameters: a string (a_string) and an integer #(string_length), in that order. # #The function should return the same string with spaces #added to the left so that the text is "right aligned" in a #string. The number of spaces added should make the total #string length equal string_length. # #For example: align_right("CS1301", 10) would return the #string " CS1301". Four spaces are added to the left so #"CS1301" is right-aligned and the total string length is #10. # #HINT: Remember, len(a_string) will give you the number of #characters currently in a_string.

Answers

Answer:

This program is written using Python Programming Language;

Comments are not used; however, see explanation section for detailed line by line explanation

See Attachment

Program starts here

def align_right(a_string,string_length):

     if len(a_string) > string_length:

           print(a_string)

     else:

           aligned=a_string.rjust(string_length)

           print(aligned)

   

a_string = input("Enter a string: ")

string_length = int(input("Enter string length: "))

align_right(a_string,string_length)

Explanation:

Function align_right is declared using on line

def align_right(a_string,string_length):

This line checks if the length of the current string is greater than the input length

     if len(a_string) > string_length:

If the above condition is true, the input string is printed as inputted

           print(a_string)

If otherwise,

     else:

The string is right justified using the next line

           aligned=a_string.rjust(string_length)

The aligned string is printed using the next line

           print(aligned)

   

The main function starts here

This line prompts user for a string

a_string = input("Enter a string: ")

This line prompts user for total string length

string_length = int(input("Enter string length: "))

This line calls the defined function

align_right(a_string,string_length)

differentiate between web site and web application?

Answers

Explanation:

A website is a group of globally accessible into linked pages which have a single domain name. A web application is a software or program is is accessible using any web browser.

Answer:

Explanation:

A website shows static or dynamic data that is predominantly sent from the server to the user only, whereas a web application serves dynamic data with full two way interaction.

When discussing the behavior of vulnerability assessments which choice will exploit a weakness?
a) Penetration test
b) Vulnerability scan
c) Intrusive
d) Gray box
e) Credentialed vulnerability scan
f) Non-credentialed vulnerability scan

Answers

Answer:

a) Penetration test

Explanation:

A penetration test, often referred to as a pen test, is part of important process in the development of internet facing service. It is a process of determining if vulnerabilities are actually exploitable in a particular environment.

In other words, it is a process that involves a simulated cyber attack against computer system to check for exploitable vulnerabilities or attempts to actively exploit weaknesses in an environment.

Hence, when discussing the behavior of vulnerability assessments the choice that will exploit a weakness is PENETRATION TEST.

When discussing the behavior of vulnerability assessments, the choice which will exploit a weakness is: A) Penetration test.

Cyber security can be defined as a preventive practice to systematically protect computers, software applications (programs), networks, electronic devices, servers and user data from potential attack, damage, theft or an unauthorized access, especially through the use of technologies, frameworks, integrity principles, processes, penetration test and network engineers.

A vulnerability can be defined as a weakness in an automated internal control system and security procedures, which may be exploited by an attacker (hacker) to gain unauthorized access to the data stored on a computer system or disrupt the information system.

Basically, vulnerability assessments can be used in the following ways:

Identify loopholes, risks and security threats. Prioritize and enhance an information system.Mitigate potential security threats.

A penetration test is also referred to as pen test or ethical hacking and it can be defined as a cybersecurity technique that simulates a cyber attack against a user's computer system, so as to identify, test an check for exploitable vulnerabilities in a web software, network, etc.

This ultimately implies that, a penetration test avails an end user the ability to exploit a weakness and potential security threats during vulnerability assessments.

The user can set their own computer hostname and username. Which stage of the hardware lifecycle does this scenario belong to?

Answers

Answer:

Deployment

Explanation:

Hardware lifecycle management is geared at making optimum use of the computer hardware so as to maximize all the possible benefits. During the deployment stage of the hardware lifecycle, the user is prompted by the computer to input their own computer hostname and username. In doing this, it is important that the user takes note of possible flaws in security. Passwords are set at this stage too. The four stages in the hardware lifecycle are procurement, deployment, maintenance, and retirement. At the deployment stage, the hardware is set up and allocated to employees so that they can discharge their duties effectively.

So, for organizations, it is important that strong passwords are used to prevent security breaches in the event that an employee leaves the organization.

Answer:

Deployment

Explanation:

Write a Java program to get the values stored in a four-by-five array of integers and store those values in a one-dimensional array referred by the name sorted1Darray . This array will have all the numbers in increasing order (remember the bubble sort!!) !

Answers

Answer:

done

Explanation:

int a[][] = new int[4][4];

Random r = new Random();

 

for(int i=0;i<4;i++)

for(int j=0;j<4;j++)

{

a[i][j]=r.nextInt()%100;

}

 

int sorted1Darray[] = new int [16];

int k=0;

 

for(int i=0;i<4;i++)

for(int j=0;j<4;j++)

sorted1Darray[k++]=a[i][j];

 

//now sorting using bubble sort

for(int i=0;i<16;i++)

for(int j=0;j<16;j++)

if(sorted1Darray[i]<sorted1Darray[j])

{

int t= sorted1Darray[i];

sorted1Darray[i]=sorted1Darray[j];

sorted1Darray[j]=t;

}

System.out.println("Sorted array:");

for(int i=0;i<16;i++)

System.out.print(sorted1Darray[i]+" ");

System.out.println();

If we used an inadmissible heuristic in A* tree search, could it change the completeness of the search?

Answers

Answer:

No

Explanation:

If we used an inadmissible heuristic in A* tree search, it cannot  change the completeness of the search, and this is because as long as a heuristic function is bounded, then A* tree search would visit all the nodes available  and would definitely find a path to an existing goal

A* tree search is a  search strategy that is used to find and establish an efficient path between points, and the node in a search tree can be visited several times  as well

Write the code to read 3 input values for the length, height and width of a cuboid, then calculate the area and circumference.

Answers

Answer:

length = float(input("Enter the length: "))

height = float(input("Enter the height: "))

width = float(input("Enter the width: "))

area = 2 * (length * height + height * width + width * length)

circumference = 4 * (length + height + width)

print("The area is: " + str(area))

print("The circumference is: " + str(circumference))

Explanation:

*The code is in Python.

Ask the user to enter the length, height and width

Calculate the area and circumference using the formulas and print them

To configure a router / modem, what type of IP interface configuration should you apply to the computer you are using?

Answers

Answer:

hello your question has some missing parts

To configure a router / modem, what type of IP interface configuration should you apply to the computer you are using to access the device administration web app?

answer ; Gigabit interface

Explanation:

To configure a router/modem the type of IP interface configuration you should apply to the computer you are using to access the the devices administration web app should be Gigabit interface.

This is because Gigabit interface offers a very efficient and high band width and also a very high speed link which operates at 1000 Mbps, or 1 Gbps and it is the the standard used due to the speed it offers as it also offers improved performance over Ethernet

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