The statement "If a method in a subclass has the same signature as a method in the superclass, the subclass method overloads the superclass method" is true.
What is a subclass method?The subclass method overloads the superclass method if the signature of the methods in the two classes matches. The second method replaces the first if two methods in the same class have the same name but different signatures.
When a superclass method and a subclass method have the same name and type signatures, the subclass method is called first. If your subclass creates a method with the same name and signature as one in its super class, that behavior is not inherited.
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which of the following is a key difference between agent-based orchestration and agentless orchestration? (choose two). answer agent-based setup is simpler than agentless setup. agentless orchestration does not require a proprietary software agent to be installed on the managed hosts. agent-based requires that proprietary software is installed on each device you wish to monitor. agentless orchestration is more difficult and expensive to deploy.
The automated configuration, management, and coordination of computer systems, applications, and services is known as orchestration.
What is orchestration?The term "orchestration" refers to the automated configuration, management, and coordination of computer systems, applications, and services. IT can more easily manage difficult activities and workflows with the aid of orchestration.While managing numerous servers and applications by hand is necessary, it is not a scalable approach. Managing all the moving parts can be more difficult the more complex an IT system is. In groups of systems or machines, there is a growing need to combine multiple automated tasks and their configurations. Where orchestration can be useful is in this situation.The concepts of orchestration and automation are distinct but related. By reducing or eliminating human interaction with IT systems and replacing it with software to carry out tasks in order to lower costs, complexity, and errors, automation helps your business become more efficient.Automation typically refers to automating a specific task. This is distinct from orchestration, which is a method for automating a process or workflow that comprises numerous steps and multiple dissimilar systems. You may choreograph your processes to run automatically after beginning by incorporating automation into them.Additionally, IT orchestration enables you to streamline and improve routine tasks and workflows, which can support a DevOps strategy and speed up the deployment of apps by your team.IT activities including server provisioning, incident management, cloud orchestration, database administration, application orchestration, and many other jobs and workflows may all be automated with orchestration.To Learn more About orchestration refer To:
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your team is getting ready to start coding a new digital product based on validated learning about a focal user and some key propositions. you've got a story map of focal user experiences with user stories. before jumping into development, you think the team should take a step that would help to keep user outcomes top of mind. what might you recommend that the team focus on next?
Design thinking can also help to create the right environment for a true and much broader understanding of the customer's voice.
What is meant by design thinking?Design thinking refers to the set of cognitive, strategic, and practical procedures used by designers in the design process, as well as the body of knowledge developed about how people reason when confronted with design problems.Design thinking is a problem-solving method that prioritises the needs of the consumer above all else. It is based on observing people's interactions with their environments with empathy and employs an iterative, hands-on approach to creating innovative solutions.While design thinking is an ideology founded on designers' workflows for mapping out design stages, its goal is to provide all professionals with a standardised innovation process for developing creative solutions to design-related or non-design-related problems.To learn more about design thinking refer :
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Answer:
test
Explanation:
one very common technique to attack a system is to deliver an e-mail or web page that contains a malicious piece of code called a(n) .
One very common technique to attack a system is to deliver an e-mail or web page that contains a malicious piece of code called an mobile malicious code.
What is malicious code?Malicious code is a type of harmful computer code or web script that is intended to introduce security flaws into a system, opening the door for back doors, information and data theft, and other potential harm to files and computing systems.
Antivirus software may not always be able to stop this kind of threat. Infections brought on by malicious code, which is distinct from malware, cannot always be treated by antivirus software, according to Kaspersky Lab. Malware is a term used to describe malicious software specifically, but malicious code also includes website scripts that can upload malware by taking advantage of security flaws.
It is an auto-executable program that can activate itself and manifest as Java Applets, ActiveX controls, pushed content, plug-ins, scripting languages, or other programming languages intended to enhance Web pages and email, among other forms.
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you want to view how your worksheet will print and make edits to the worksheet in this mode. what is the easiest way to accomplish this?
Since you want to view how your worksheet will print and make edits to the worksheet in this mode. The thing that is the easiest way to accomplish this is to select Page Layout on the bottom of the page in the area of the status bar.
Where is the status bar button for page layout?The three standard worksheet view options are Normal View, Page Layout View, and Page Break Preview. The three buttons are located in the bottom right corner.
Therefore, in regards to your work above, you can see a preview of the data that will appear on the printed when you choose one or more sheets and choose File > Print. Choose the worksheet(s) you want to preview. To access the Preview window and printing options, select File and then click Print. keyboard shortcut Additionally, you can use Ctrl+F2.
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you just got a new powermate input device that you want to use on your computer. you don't think that the powermate driver was compiled into the kernel of your linux distribution. in this lab, your task is to: use lsmod to verify that the device driver was not compiled into the kernel. insert the powermate module into the kernel. confirm that you have loaded the module into the kernel.
The way to insert the power mate module into the kernel. confirm that you have loaded the module into the kernel. is by:
modprobe gamepadinsmod gamepad.koWhy is it called a kernel?Given that it is the core component of the OS, it is known as the kernel. It offers a way for software and hardware to communicate. For instance, it offers capability for system calls such as writing to disk and memory.
It is the core that offers essential services for all other components of the OS. It serves as the primary interface between the operating system and the underlying computer hardware and aids with operations including networking, device control, file systems, and process and memory management.
Therefore, one can say that the operating system of a computer is composed of a core program called the kernel, which typically controls every aspect of the system. It is the section of the operating system's code that is permanently stored in memory and allows for interactions with hardware.
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which of the following statements is not true? group of answer choices the dom for a web page is built as the page is loaded by the web browser. the dom is a hierarchical collection of nodes in the web browser's memory. you can modify the dom using the properties and methods that are defined by the dom core specification. to display changes made to the dom, you must refresh the web page.
The browser asks the server to transmit a copy of the website to the client by sending it an HTTP request message (you go to the shop and order your goods). TCP/IP is used to send this message and any other data between the client and the server over your internet connection.
What page is loaded by the web browser?The Document Object Model is a programming environment for web documents (DOM). So that software can alter the document's structure, appearance, and content, it serves as a representation of the page.
Therefore, Because the document is represented by the DOM as nodes and objects, programming languages can communicate with the page.
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write the definition of an exception class named panicexception that does not have its own error message
Coding faults and flaws are quite common. The truth is that even the greatest code is rarely error-free, despite the fact that extremely well-written programs might claim to have fewer problems.
What class named panic exception own error message?Additionally, when features are added, code is modified, it is updated, and refactored, flaws can sneak into the code. Minor mistakes cause hiccups during program execution, although they don't necessarily result in a system crash.
Therefore, But that does not imply that they are not serious. In fact, if those issues are not resolved, they may end up being more dangerous in the long term.
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the socket on this next motherboard has 906 holes that can hold 906 pins on the processor. which processor brand will fit this socket? what is this socket's contact method? type in the name of the socket.
The socket is an LGA 1156 socket. It is compatible with Intel Core i3, Core i5, Core i7, and Pentium processors from Intel. The contact method is land grid array (LGA).
What is socket?
An endpoint for data transmission and reception across a computer network is a network socket, which is a software configuration inside a network node. A networking architecture's application programming interface (API) defines the structure and attributes of a socket. Only while a process of the an application that runs in the node is active are sockets created. The term "network socket" is most frequently used in the sense of a Internet protocol suite, and is therefore frequently also referred to as "Internet socket," due to the standardisation of the TCP/IP protocols during the creation of the Internet. The socket address, which is the trinity of the transport protocol, IP address, as well as port number in this context, is how a socket is from outside identified to other hosts.
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FILL IN THE BLANK. Fill in the blank: A technique is used to balance traffic by iterating a list of items one by one from is known as ____. multiple choice, shuffle1. Round Robin2. Recursion3. Authoritative lookup4. Multiplexing
A technique is used to balance traffic by iterating a list of items one by one from is known as Round Robin.
What is round robin?One of the techniques used by process and network schedulers in computing is round-robin. Time slices are allocated to each process in equal parts and in circular order, as the word is typically employed, handling all processes equally.Other scheduling issues, such data packet scheduling in computer networks, can be solved with round-robin scheduling. It relates to operating systems.As soon as the time quota is reached, the scheduler removes the process from the CPU, making the round-robin algorithm a preemptive algorithm.A round robin is a scheduling technique used by sports teams in which each player competes against every other player in the competition. This is also known as a round robin competition.To learn more about round-robin refer :
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you are concerned that an attacker can gain access to your web server, make modifications to the system, and alter the log files to hide his or her actions. which of the following actions would best protect the log files?
The following action that would best protect the log files is send the log entries to another server using syslog.
Syslog is a useful tool. It is a common network-based logging protocol that enables a very wide range of different kinds of devices and applications to transmit log messages in free text format to a centralized server.
Almost all of the devices on your network—whether they are switches, firewalls, storage boxes, or servers—have syslog agents that can be used to send messages to a single, shared location.
Those who are acquainted with SNMP might be perplexed.
Both of them are utilized to send notifications and messages to a central server without the need for polling. Without having to wait for the server to poll for status, the message can be sent as soon as an event takes place.
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using the english alphabet, we need to generate a 7-letter password. q1.110 points grading comment: how many of them are there?
The English alphabet can be used to create a 7-letter password with a probability of 267 (26 to the power of 7).
What are passwords?
A password is a phrase, word, or group of characters used to distinguish between an authorized user or process and an unauthorized one (in order to grant access). To put it another way, a password is being used to establish identification or grant access to the resource. The idea of a password's secrecy is heavily implied. For offer authentication, a password is frequently used in conjunction with such a username or another method.
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write a method contains() that returns true if the key is stored in the array values. the key is stored using closed hashing with linear probing method and uses keytoindex() as the hash function. (keytoindex() is already defined and provided for you). linear probing means that when we have a collision, we check the next (hence linear) position to see if the key is there (probing). we continue until we find they key or find an empty slot (null) in values. The details of the algorithm are:
Compute the index for the key by calling keyToIndex().
If position index in values is empty (i.e. null) then the key is not found and we return false.
If position index is in use (i.e., not null) then we compare the key with the value stored at index. If they are the same, then the key exists and we return true.
Otherwise, the position index is in use and the key stored there is not the same as the key being searched. This is a collision and we must resolve it using linear probing. Increment the index returned by keyToIndex() by one and check the next position. Continue doing this until either you find a position with the key already stored (return true) or you find an empty position (return false). When you increment index, make sure you wrap it around the end of the values table using the remainder (modulo) so that you check all possible positions.
boolean contains(String key, String values[])
{
int index = keyToIndex(key);
<< your code here >>
Boolean includes (String key, String values[]) <your code here>: int index = keyToIndex(key);.
A technique called hashing is used to distinguish one particular object from a collection of related ones. Let's say a key is given to an item to make searching easier. One can use a straightforward array akin to a data structure to store the key/value combination, where keys (integers) can be used directly as an index to store values.
Hashing should be employed, nevertheless, when the keys are big and cannot be utilized as an index directly. During hashing, hash functions are used to break up huge keys into smaller ones. The values are then kept in a hash table, a type of data structure. Using linear probing the hashing method might be used to produce an array index that has already been used. If this is the case, we can look into each subsequent cell in the array until we discover one that is empty. This method is known as linear probing.
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a well formed primary key will guarantee that you can always identify a unique row. however, what should you use to ensure that you maintain uniqueness in your table for a set of fields that is not the primary key?
Fixed-length character data types are the second-best option for a primary key after integer (number) data types.
Each record in a table is given a special identification by the PRIMARY KEY constraint. Primary keys cannot have NULL values and must have UNIQUE values. There can only be one primary key in a table, and this primary key may include one or more columns (fields). The primary key (PK) of the table is this column, or set of columns, and it upholds the table's entity integrity. Primary key constraints are frequently defined on an identity column because they ensure unique data. Each row of data values in a database table in a relational database is uniquely identified by a candidate key.
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Which siem component is responsible for gathering all event logs from configured devices and securely sending them to the siem system?.
Collectors are in charge of collecting all event logs from configured devices and securely transmitting them to the SIEM system. Collectors serve as a bridge between devices and the SIEM system.
What is SIEM system?
SIEM, or security information and event management, is a solution that assists organizations in detecting, analyzing, and responding to security threats before they disrupt business operations.
SIEM, pronounced "sim," is a security management system that combines security information management (SIM) and security event management (SEM). SIEM technology collects event log data from a variety of sources, uses real-time analysis to identify activity that deviates from the norm, and takes appropriate action.
In short, SIEM provides organizations with visibility into network activity, allowing them to respond quickly to potential cyberattacks and meet compliance requirements.
SIEM technology has evolved over the last decade to make threat detection and incident response smarter and faster with artificial intelligence.
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which phase establishes descriptions of the desired features and operations of the system, including screen layouts, business rules, process diagrams, pseudo code, and other documentation? multiple choice question.
We outline the desired functions and features of the system throughout the design phase. Business rules, pseudo-code, screen layouts, and other essential documentation are included at this step.
Systems design: Clearly outlines desired functions and features, including screen designs, business rules, flowcharts, pseudocode, and other documentation. Implementation: This is where the actual code is written. During the analysis phase, the company examines the business needs of its end users and clarifies the project objectives into outlined activities and functionalities of the proposed system. Because it is the first stage, the planning phase is the most crucial. The remaining phases will not succeed in the absence of a clear, well-organized plan. A plan serves as the framework for how the project will proceed moving forward.
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TRUE/FALSE. if the programmer does not explicitly define a copy constructor for a class, copying objects of that class will not be possible.
Answer: false
Explanation:
you are viewing the routing table and you see an entry 10.1.1.1/32. what legend code would you expect to see next to this route?
In the new 15 IOS code, Cisco defines a different route called a local route. Each has a /32 prefix defining a route just for the one address. Thus, the correct option is B.
What is local route?Additionally, a router gets packets for regional use. The router supports multiple IP address configurations. A specific router object is represented by each configured IP address. The second route reveals where on the router a specific IP address is accessible. The host route is the second route in the chain. The router designates this kind of route with the letter L (Local).
On the GigabitEthernet0/0 interface in our example, the IP address 10.0.0.1/8 is set up. The router creates a local route for this IP address so that packets can be forwarded to the GigabitEthernet0/0 interface. Since a local route denotes a particular local object, the router makes use of that object's IP address. The router's local route makes use of the prefix /32. An address for a host is denoted by the prefix /32.
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What is the goal of staging? A. to make the player feel scared B. to visually set the mood or idea C. to communicate the rules of the game D. to show the player how to beat the game
The goal of staging is: B. to visually set the mood or idea.
What is a game development tool?In Computer technology, game development tool can be defined as a set of specialized software programs that are typically used by game developers or programmers for the design and development of a game, and these include the following:
EmulatorLevel editorGame engineModeling toolScripting toolDuring a game development project, the terminology "staging" simply refers to a process through which the mood or idea about a particular game is virtually set by a game developer set, in order to prepare the game player's psych and mind.
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Why was Tesla coil an invention
which of these statements are true? you can select all the items in this section of the menu. in the center section of the menu, only one item can be selected at a time. details is selected. thumbnails, tiles, icons, and list are selected.
The menu states that all the items in the center section can be selected, and the details, thumbnails, tiles, icons, and list options are all selected.
Therefore, all of the statements are true.Customizing the Menu with Multiple Options
The center section of the menu allows the user to select all the options available, such as:
DetailsThumbnailsTilesIconsListBy selecting all of the items, the user has access to all the information on the menu. This allows them to customize their experience with the menu, enabling them to view all the available data in the way that best suits their needs. The menu is designed to be user-friendly and intuitive, allowing for easy customization.
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1. For each of the communications listed below, indicate (1) the time period during which the
communication is typically obtained or provided and (2) whether the communication is oral,
written, or either oral or written. Use the following abbreviations in providing your answer:
A. Prior to the engagement
B. Prior to or at the date of the auditors' report
C. Following the date of the auditors' report
D. Either following the date of the auditors' report or as significant matters are identified
E. Oral
F. Written
G. Either oral or written
___ 1. Engagement letter
___ 2. Acceptance letter (signed copy of engagement letter)
___ 3. Attorney letter response
___ 4. Written representations
___ 5. Internal control deficiencies
___ 6. Communications with individuals charged with governance
___ 7. Management letter
Below is the answer containing or each of the communications listed below, indicating the time period during which the communication is typically obtained or provided and (2) whether the communication is written or oral, or either written or oral.
Solution:
1 Engagement letter:
Prior to the engagement and Written
2 Acceptance letter (signed copy of engagement letter):
A Prior to the engagement and Written
3 Attorney letter response:
Prior to or at the date of the auditors' report and Written
4 Written representations
Prior to or at the date of the auditors' report and Written
5 Internal control deficiencies:
Either following the date of the auditors' report or as significant matters are identified and Written
6 Communications with individuals charged with governance:
Following the date of the auditors' report and Either oral or written
7 Management letter:
Following the date of the auditors' report and Either oral or written
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Jenna is working on improving the UX of her new game by adding a set of options that clearly explains the user’s choices and provides an efficient way to communicate how her game is played. What component is Jenna designing?
A.
leveler
B.
avatar
C.
drop-box
D.
menu
Answer:
d menu
Because I took the test and got it right
assume a class named window has an accessor method named getwidth that accepts no parameters and returns an int. assume further an array of 3 window elements named winarr, has been declared and initialized. write a sequence of statements that prints out the width of the widest window in the array.
The set and get functions are analogous to the accessor and mutator functions of C++. They are used in place of modifying a class member directly inside an object and making it public. An accessor function must be invoked in order to gain access to a private object member.
int mVal = winarr[0].getWidth();
for(int i = 1; i < winarrsize; i++)
{
if(winarr[i].getWidth() > mxVal)
mVal = winarr[i].getWidth();
}
cout << "The widest width is: "
<< mVal << endl;
By using encapsulation, a programmer can specify the labels for the data members and functions as well as whether or not other classes can access them. When data members are marked as "private," member functions of other classes cannot access or modify them which allows members access to these private data.
For a member such as Level, a function like GetLevel() returns the value of the member, while a function like SetLevel() gives it a value.
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the following program is supposed to compute only profits (positive earnings) for the first half of the year (6 months). what is logically wrong with the implementation?
The output will be 1 1 1 2 1 4 6. Hence, the output will be 1 1 2 4 5 1 for the second half.
N = 7, and the price is equal to [100 80 60 70 60 75 85].
1 1 1 2 1 4 6 as output
Explanation: Crossing the input span of 100 will result in the span being 1, 80 being less than 100, 1, 60 being less than 80, 1, 70 being more than 60, 2, and so on. The result will therefore be 1 1 1 2 1 4 6.
N = 6, and the price is equal to [10 4 5 90 120 80].
Results: 1 1 2 4 5 1
Explanation: When traversing the input given, the span for 10 will be 1, since 4 is less than 10 and 5 is greater than 4, and the span for 2 and 3.
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Creating compelling visuals for presentations requires people to learn what new tools?.
Answer:
Explanation:
Is there a picture for the question
Creating compelling visuals for presentations requires people to learn the design developers tools.
What is the design developer tool?Developer tools are also known as “development tools” or “DevTools”. These are applications that enable programmers to test, design, and debug software. Current browsers provide developer tools that allow you to investigate a website.
Figma, Photoshop, Grammarly, Blender, VS Code, AE, Font Lab, and even MS Word are examples of such applications. People must learn design development tools in order to create attractive graphics for presentations.
Design tools are used to unify design standards throughout a company so that all of its products have uniform design and brand recall. Design playbooks are being developed by businesses to educate personnel with conventional design techniques and procedures.
Therefore, it is design developer tool.
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a cloud administrator is migrating services from the on-premises network to the cloud network. what phase of the lifecycle roadmap does this activity fall in?
There are three stages to migrating to the cloud: planning, mid-shift, and go-live. Once the decision has been made that cloud computing is the best solution to address the business difficulties you are facing.
The process of shifting digital company processes to the cloud is known as cloud migration. Similar to a physical move, cloud migration entails moving data, programs, and IT procedures from one data center to another, as opposed to packing up and transporting actual physical items. the CloudEndure Migration Factory should receive wave data import. Get the source servers ready. Check the status of server replication. Migration test, please.
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aspatial information about a geographic feature in a gis, usually stored in a table and linked to the feature by a unique identifier is known as:
Nonspatial information about a geographic feature in a GIS, usually stored in a table and linked to the feature by a unique identifier is known as: Attribute.
What is Nonspatial information?Simply put, non-spatial data is information that uses the word "what" rather than the word "where." It is not location-dependent, as was already mentioned.
Both spatial and non-spatial data may be present in an attribute. Spatial data can be more fully understood by using non-spatial data. It is characteristic information. One example of this might be someone's height. Their location is irrelevant.
Vector and raster data formats are the two main types of data in the GIS world. Raster data is a continuous data representation that shows images as rows and columns of pixels. Vector data is a discrete data representation that uses point, line, and polygon formats to represent spatial features.
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you want to make the port 2700 exclusively for use by root users only. which command should you run?
Answer:
sudo ipadm set-prop -p extra_priv_ports+2700 tcp
Explanation:
comsc 260 fall 2022 programming assignment 9 worth 12.5 points (1.25% of your grade) due: sunday, 11/13/22 by 11:59 p.m. on canvas late pass deadline: sunday, 11/20/22 by 11:59 p.m. on canvas START by downloading the 260 assign11.asm file from Canvas NOTE: Your submission for this assignment should be a single .asm file and a single .pdf file. The following naming convention should be used for naming your files: firstname_lastname_260_assign11.asm and firstname_lastname_260_assign11.pdf. The pdf file that you submit should contain the screenshots of your sample runs of the program (see below). For example, if your first name is "James" and your last name is "Smith", then your files should be named James_Smith_260_assign11.asm and James_Smith_260_assign11.pdf. Comments - worth 1.25 points (10%) of your programming assignment grade: Your program should have at least ten (10) different detailed comments explaining the different parts of your program. Each individual comment should be, at a minimum, a short sentence explaining a particular part of your code. You should make each comment as detailed as necessary to fully explain your code. You should also number each of your comments (i.e., comment 1, comment 2, etc.). NOTE: My comments do NOT count towards the ten comments! Sample Runs - worth 1.25 points (10%) of your programming assignment grade: You should submit screenshots of at least five (5) different sample runs of your program. Each sample run needs to use a different input for register EAX, and your sample runs should NOT be the same as the sample runs that are used in this write-up for the assignment. You should also number each of your sample runs (i.e., sample run 1 , sample run 2, etc.). All of your sample runs should follow this format - for each individual sample run, screenshot (1) the value placed into register EAX at the beginning of the program and (2) the value in the letter_grade variable at the end of the program. For example: (1) IMPORTANT NOTE: In this class (for this assignment and ANY other assignment) the high-level directives from section 6.7 of chapter 6 are NOT allowed to be used under any circumstances. This means things such as .if, .else, .repeat, .while, etc. must NOT be used in this assignment, or any other assignment in this class. Use of these high-level directives would make the assignments too easy, so they are NOT allowed for this reason. When your program needs to make decisions, it needs to do so using the conditional jump instructions that we are learning about in class. OK: conditional jump instructions such as je, jne, jecxz, ja jnae, jg jcxz, jp, jnp, jb, jnbe, jp, jz, js, etc. NOT OK: High-level directives such as .if, .while, .else, .repeat, etc. (do NOT use anything from section 6.7 of chapter 6 in any of your assignments!!!) For your programming assignment you will be implementing the following procedure: *The grading scale could be changed at any time by changing the A_grade, B_grade, C_grade, and D_grade constants in the program. The program should still work correctly even if these constants were changed in the future. The idea is that in main, a number between 0−100 will be placed in register eax. Then, main will call the calculate_grade procedure. The calculate_grade procedure will determine the letter grade based on the value in eax, and then move the letter grade ('') into the letter_grade variable in the data segment. For example, if value in eax is 92 , then ' A ' should be moved into letter_grade. If the value in eax is 74 , then 'C ' should be moved into letter_grade, and so on. Sample run 1: Initial state-BEFORE calling calculate_grade ( 90 is placed into eax) Final state - AFTER calling calculate_grade ('A' is placed into letter_grade because eax is 90) Sample run 2: Initial state - BEFORE calling calculate_grade ( 82 is placed into eax) Final state - AFTER calling calculate_grade ('B
A constant is a value that the program cannot change while it is normally running, i.e., the value is constant.
Although the phrases "constant" and "named constant" are frequently used interchangeably, a constant is considered to be "named" when it is coupled with an identifier. In computer programming, an assignment is a statement that sets a value to a variable name. The equal symbol (=) designates the operator that is used to do assignment. In computer programming, an assignment statement transfers a value into the variable by setting and/or resetting the value in the storage location(s) indicated by a variable name. The assignment statement (or expression) is a key building block in the majority of imperative programming languages.
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write a program that keeps names and email addresses in a dictionary as key-value pairs. the program should display a menu that lets the user look up a person’s email address, add a new name and email address, change an existing email address, and delete an existing name and email address. the program should save the data stored in a dictionary to a file when the user exits the program. each time the program starts, it should retrieve the data from the file and store it in a dictionary. the program should include the following functions: a. a function to display a menu. b. a function to look up a person’s email address. c. a function to add a new name and email address. d. a function to change an email address. e. a function to delete a name and email address. f. a function to load emails from a file. g. a function to save emails in a file. h. write main function with a loop that displays the menu allowing the user to select an operation from the menu; the program continue until the user enter 5. i. validate all user input. your program should check user input; for example, if the user wants to search or delete a name that does not exist in the dictionary, you should print something like the name is not in the database. if the user selects invalid operation from the menu, the program prints an error and allows the user to renter a valid operation; the program continue asking for a valid operation until a user selects a valid operation.
To write a program that keeps names and email addresses in a dictionary as key-value pairs check the code given below.
What is key-value pairs?In a key-value pair, two related data elements are combined: a value, which is a variable that belongs to the set (for example, male/female, green, 100), and a key, which is a constant that defines the data set (for example, gender, color, price).
A key-value pair could look something like this when fully formed:
gender = male
color = green
price > 100
↓↓↓//Python code//↓↓↓
import pickle
import sys
try:
f=open('email.dat','rb')
d=pickle.load(f)
f.close()
except:
d={}
while True:
print('\n1. Find a email address')
print('2. Add name and email address')
print('3. Change an email address')
print('4. Delete an email address')
print('5. Exit\n')
choice=input('\nEnter a choice: ')
if choice:
choice=int(choice)
else:
print('\nEnter a number')
continue
if choice == 1:
while True:
name=input('\nEnter the name ')
if name:
if name in d:
print('\n%s is the email id of %s \n' % (d[name],name))
break
else:
print('\n Email not found \n')
break
else:
print('\nName cannot be empty\n')
continue
elif choice==2:
while True:
name=input('\nEnter the name ')
if name:
break;
else:
print('\nName cannot be empty \n')
continue
while True:
email=input('\nEnter the email address ')
if email:
d[name]=email
break
else:
print('\nEmail cannot be empty\n')
continue
elif choice==3:
while True:
name=input('\nEnter the name to change the email address ')
if name:
if name in d:
email=input('\nEnter the new email address ')
d[name]=email
print('\nEmail address changed \n')
break;
else:
print('\nName not found \n')
break
else:
print('\nName cannot be empty \n')
continue
elif choice == 4:
while True:
name=input('\nEnter the name to remove ')
if name:
if name in d:
del d[name]
print('\nName and Email address removed \n ')
break;
else:
print('\nName not found \n')
break
else:
print('\nName cannot be empty\n')
continue
elif choice == 5:
f=open('email.dat','wb')
pickle.dump(d,f)
f.close()
sys.exit()
else:
print('\nEnter a valid choice ')
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