The correct answer is P1 requests R2, which is locked by P2. event that causes deadlock in a database.
Two programmes accessing distinct parts of the same disc might result in a livelock. The simultaneous occurrence of six criteria that the operating system (or other systems) may have detected precedes a deadlock. The impasse-related processes are in a perpetual state of waiting for one to freely surrender the resource so that at least one can go forward. Only when ALL FOUR requirements are met simultaneously can there be a stalemate. - Hold on, a process that is holding at least one resource is waiting for assistance from other processes to obtain more resources. - No preemption; the process can only release the kept resource freely when it has finished its work.
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e. What is computer memory? Why does a computer need primary memory?
Computer memory refers to the storage space in a computer where we can temporarily or permanently store data and instructions. There are two categories: primary memory and secondary memory.
Why a computer needs primary memory?A computer needs primary memory because it allows it to access and process the data and instructions it needs quickly.
The computer's operating system uses primary storage to manage memory allocation and determine which stores data and instructions in primary memory and which should move to secondary memory.
It is also sufficient for storing the data and instructions that the computer is currently using and enables programs to run efficiently.
given a text file containing the availability of food items, write a program that reads the information from the text file and outputs the available food items. the program first reads the name of the text file from the user. the program then reads the text file, stores the information into four separate lists, and outputs the available food items in the following format: name (category) -- description assume the text file contains the category, name, description, and availability of at least one food item, separated by a tab character ('\t'). ex: if the input of the program is:
This is an example of programming that we have done that is less than what is necessary.
The program that extracts data from a text file and displays the food options provided by?apple in food.txt Fruits A tasty fruit that is available
Vegetables Carrot a root vegetable that is orange
The program's output should be:
Apples are a delicious, crisp fruit.
Orange root vegetable known as the carrot
#include <stdio.h>
#include <stdlib.h>
int main() {
char filename[128];
char category[128], name[128], description[128], availability[128];
char categories[20][128], names[20][128], descriptions[20][128], availabilities[20][128];
int count = 0;
// prompt user to enter file name
printf("Enter the name of text file: ");
bscanf("%s", filename);
// open file
FILE *fp;
fp = fopen(filename, "r");
// read the file
while (fscanf(fp, "%s\t%s\t%s\t%s\n", category, name.
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The is_positive function should return True if the number received is positive and False if it isn't. Can you fill in the gaps to make that happen?
def is_positive(number):
if number > 0:
return True
else:
___
The return value of the is positive function is If the received number is positive, it returns True; otherwise, it returns None.
When all of its parameters are evaluated as TRUE, the AND function returns TRUE; otherwise, it returns FALSE. Number. If a number is Not-a-Number, isNaN returns true. In other words, the function isNaN tests the value after converting it to a number. This operator logically joins two Boolean expressions together. The AND operator gives True if both expressions are True. The AND operator yields False if either, or both, of the phrases evaluate to False. The return value of the is positive function is If the received number is positive, it returns True; otherwise, it returns None.
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100 points
spread positivity and remember to take breaks every few minutes. Screens bluelight can be damaging
Rest Periods Limiting the amount of time we spend in front of devices and/or taking breaks are two ways to achieve this. The people that work in front of me
What is the synonym of limiting?
Rest Times We can accomplish this by limiting the amount of time we spend using technology and/or by taking breaks. the employees in front of me at work Limit is often used interchangeably with the words circumscribe, confine, and restrict. Limit indicates establishing a point or line (as in time, space, speed, or degree) beyond which something cannot or is not permitted to proceed, even though all of these terms mean "to set bounds for." 30 minutes are allotted for visits. Example of a limiting sentence. We three only packed for three days, thinking that reducing our number of outfit changes would hasten our return. limiting sweets and following a healthy diet in general.
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2. to conform to mla guidelines, modify the normal style as follows: a. change the normal style font to times new roman. b. change the normal style font size to 12 point. c. change the normal style line spacing to double with no blank space after paragraphs.
The standard style need be changed as follows to comply with MLA requirements: Change the standard fonts to Times New Roman, increase the standard font size to 12 points, and double the standard line spacing with no blank space between paragraphs.
What does times new roman mean?One serif typeface is Times New Roman. It was created in 1931 under the direction of Stanley Morison, the artistic advisor of Monotype's British division, and Victor Lardent, a lettering artist in The Times' advertising department. The British newspaper The Times gave the order.
A serif typeface made specifically for newspapers is Times New Roman.
Because of this, Times New Roman stands out from other common serif fonts because to its small characters and efficient spacing.
It is true that Times New Roman is a serif typeface with recognizable bobs, caps, and curl at the letters edges.
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which one of the following is not a basic file element?
Hierarchical, network, and relational file management are the three fundamental categories found in any operating system.
The routine paper is the only one of the options mentioned that isn't already in the file. This is true because the file contains all of the additional items. Diarizing, which is a component of a file, is the scheduling and recording of data. Ordinary file, directory file, and device file are the three main categories into which files fall. These three types of file categories have different traits from one another, and each type of file category has a specific purpose. Hierarchical, network, and relational file management are the three fundamental categories found in any operating system.
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for which type of communication would this paragraph be used?responsescasual notecasual notetechnical manualtechnical manualinformal emailinformal emailformal business letter
This paragraph is appropriate for a formal business letter, as it clearly outlines the expectations for the interview process.
It outlines the practical portion of the interview, which consists of a series of locked-room puzzles. It also states that the applicant will need to use their problem-solving skills and think critically on the fly in order to complete the puzzles.
Furthermore, it states that there will be four time-limited rooms and two untimed rooms, and that the interview team will be observing the applicant remotely and recording their progress.
Complete question:
Congratulations
As you know, the position for which you are applying requires superlative problem-solving skills in a variety of arenas, and the ability to think critically on the fly is essential. To evaluate your ability in this area, the practical portion of the interview process consists of a series of locked-room puzzles. You will need to use all of your ingenuity to find the key to unlocking each room. There are six rooms total; four of the rooms will have individual time limits, while the remaining two rooms will be untimed. You will be observed by the interview team from a remote location, and your progress through the rooms will be recorded.
For which type of communication would this paragraph be used?
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of the three essential ingredients of software engineering, which one can make up for shortcomings in the other two?
People are the most important ingredient of software engineering, as they are responsible for designing, developing, and maintaining the software.
Processes and tools can help to improve the overall quality of the software, but they cannot make up for the shortcomings in people. People need to have the right skills and experience in order to make sure the software is developed and maintained properly.
Additionally, they need to be able to work together effectively as a team in order to ensure the software is successful.
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What are four pieces of information you can gather about a variable?
Select an answer:
Data type, name, sizeof operator, and ampersand operator.
Data type, name, initial value, storage size, and location in memory.
Data type, name, size in bytes, and location in memory.
You can obtain only three pieces of information about a variable: its data type, name, and value.
Four pieces of information you can gather about a variable are Data type, name, and value.
What is the variable ?A variable is a symbolic name for a value that can change over time. It is used to store information which can be used by programs or algorithms to perform tasks. Variables can be used to store numbers, text, objects, and other types of data. They are an important part of programming, as they allow the programmer to create algorithms that can process different kinds of data. Variables are typically defined by a name and an initial value, which can be changed during the course of the program. Variables can be used to store data that can be used in calculations or other tasks. They can also be used to store user-defined values, such as preferences or settings.
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What is one key benefit of a Backlog refinement session?A) It allows the team to state the problem and think ab out what, where, whenand the impactB) IT provides time to identify dependencies and issues that could impact thenext iterationC) It is the main way in SAFe for achieving relentless improvementD) IT serves a variety of purposes, including a dedicated time for planning,retrospecting, exploring and innovating
The correct answer is B) IT provides time to identify dependencies and issues that could impact thenext iteration.
Backlog refinement discusses, estimates, and establishes a preliminary grasp of acceptance criteria by focusing on impending stories (and features, if necessary). Teams may utilise behavior-driven development, referencing concrete examples to assist explain narratives. For agile product development teams, backlog grooming, also known as backlog refinement or story time, is a regular occurrence. A backlog grooming session's main goal is to make sure the product backlog's user stories are ready for sprint planning for the upcoming several sprints. Teams may go on with the next sprint by creating clearly defined and prioritised blocks of work using the results of refinement meetings. They are relatively brief meetings that take place just before the sprint meeting, following the completion of product grooming.
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Whose financial goals are most likely to be affected by an unexpected life event
Note that the person whose financial goals are most likely to be affected by an unexpected life event is a person who does not have a "Realistic Goal"
What are financial Goals?A financial goal is a financially defined milestone that you intend to attain or reach. Financial objectives include earning, saving, investing, and spending in proportions that correspond to your short-, medium-, and long-term plans.
Setting a budget, lowering debt, and building an emergency fund are all important short-term goals. Long-term goals should contain crucial insurance policies, while medium-term goals should focus on retirement.
SMART goals must be set. Specific, Measurable, Achievable, Relevant, and Time-Bound are the acronyms for SMART goals. Defining these factors in relation to your goal helps guarantee that your objectives are fulfilled within a reasonable time period.
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what advantages do the client-server architecture have over the peer-to-peer architecture? each correct answer represents a complete solution. choose all that apply.
The advantages that the client-server architecture have over peer-to-peer is option D. All of the above
A. Easier maintenance
B. Greater organization
C. Tighter security
What is the client-server architecture?Client-server architecture has the advantage of easier maintenance because there is a central point of control, rather than having to manage each individual computer as with peer-to-peer. It also offers greater organization because data and resources are centralized and more easily managed.
Additionally, client-server architecture offers tighter security compared to peer-to-peer, as the server can act as a gatekeeper for accessing sensitive information.
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See full question below
What advantages does the client-server architecture have over peer-to-peer?
A. Easier maintenance
B. Greater organization
C. Tighter security
D. All of the above
which security features are available on windows 10 home? select all that apply.
Both options b) and d) are proper NTFS permissions, according to the query, Internet Options.
Why do you use the term Windows?Microsoft created the operating system called Windows. You are only able to utilize a computer thanks to the operating system. Windows is the most widely used operating system around the world since it comes preinstalled on the majority of new personal computers (PCs).
Do you like Windows 10 or 11?For the majority of users, Windows 11 definitely worth the update. Numerous new features, performance enhancements, and design modifications are included. It often garners more notice than Windows 10 as the most recent Windows operating system. Upgrading to Window 11 carries minimal risk as well.
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The Complete Question :
Which security features are available on Windows 10 Home? Select all that apply.
a. Local Group Policy
b. NTFS permissions
c. Active Directory
d. Internet Options
Place the steps for creating a subfolder in the inbox and moving a message into the new folder in order.
Name the new folder.
Click the message.
Drag and drop in the
folder.
Select New Folder.
Right-click on Inbox.
Right-click on Inbox
Select "New Folder"
Name the new folder
Click the message
Drag and drop in the folder
The tag < frame > _____. Et a window (a frame) in a frameet
et a window (a frame) in a frameet
et a directory lit that' not recommended
et a directory lit that' not recommended
i a computer program ample output
i a computer program ample output
i a multiline input control in a text area
i a multiline input control in a text area
The web browser window is divided into portions using HTML Frames, allowing each section to load independently.
What is frameset and frame tag?The group of frames that make up the browser window is known as a frameset. Making Frames Use the frameset tag in HTML to use frames in web browsers instead of the body tag.With the help of the frame tag, the browser window can be divided into several "frames," each of which can load a different HTML page. A frameset in a browser is a collection of frames.Let's look at how HTML can be used to make a frame. You can use the frameset> tag in place of the body> tag to use a frame. To specify how to divide the window into frames, use the frameset> tag. Both the row attribute and the col attribute specify the horizontal and vertical frames, respectively.To learn more about web browser refer to:
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you have decided to use bitlocker as your whole disk encryption solution for the hard drive on your laptop. the laptop includes a tpm chip. what happens if you store the startup key required to unlock the hard drive in the tpm chip?
If you store the startup key required to unlock the hard drive in the TPM chip, you can ensure the security of your data on the hard drive.
When you enable BitLocker encryption on your laptop, the TPM chip is used to securely store the encryption key, which is required to start the operating system and unlock the hard drive.
By storing the startup key in the TPM chip, you can prevent unauthorized access to your data, even if someone physically removes the hard drive from your laptop.
If the laptop is lost or stolen, the data on the hard drive remains protected because the encryption key is stored on the TPM chip and cannot be accessed without the proper credentials. This helps to ensure that your sensitive data remains secure, even if your laptop is lost or stolen.
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public class Something{private static int count = 0;public Something(){count += 5;}public static void increment(){count++;}}The following code segment appears in a method in a class other than Something.Something s = new Something();Something.increment();
The code segment invokes the static increment() function and generates a new instance of the Something class. This results in an increase of 1 in the static count variable in the Something class.
The static increment() method, which is defined within the Something class, is called after the code segment creates a new instance of the Something class. This section of code shows how to get at and change static variables and methods of a different class. When a new instance of Something is created, the static count variable is increased by 5 and then increased by 1 when the static increment() function is called. This demonstrates that the static count variable may be modified using both the constructor and the static method. Static variables and methods can be accessed and changed from other classes, which is a vital point to remember. This can be helpful for monitoring a global status or for offering a practical
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how does tracking changes relate to sharing a workbook in excel quizlet
Tracking changes in an Excel workbook is a feature that allows users to keep track of any modifications made to the workbook. When this feature is turned on, every change made to the workbook is recorded, including the date and time of the change, the user who made the change, and a description of the change. This information can then be reviewed and accepted or rejected.
What is the tracking about?Sharing a workbook in Excel is a feature that allows multiple users to collaborate on a single workbook at the same time. When a workbook is shared, all changes made by one user are automatically updated for all other users who have access to the workbook.
Therefore, This can be useful when working on a project with a team and needing to ensure that everyone has the most up-to-date information.
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what is the constraint for dominican beans? a) 12 a 8 b ≤ 4,800. b) 8 a 12 b ≤ 4,800. c) 4 a 8 b ≤ 3,200. d) 8 a 4 b ≤ 3,200. e) 4 a 8 b ≤ 4,800
The constraint for Dominican beans is that the maximum number of beans that can be produced is 4,800, with a ratio of 8 parts of Dominican beans to 4 parts of other beans.
The constraint for Dominican beans is a limit set on the amount of beans that can be produced in a certain quantity. This constraint is expressed in terms of a ratio of 8 parts of Dominican beans to 4 parts of other beans, and the total number of beans produced cannot exceed 4,800. This means that for every 8 parts of Dominican beans, 4 parts of other beans must be used. As a result, the total number of beans produced cannot exceed 4,800, as this would exceed the maximum amount allowed by this constraint. The constraint is designed to ensure that the correct ratio is maintained and that the Dominican beans are not overproduced, thereby limiting the risk of oversupply in the market.
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c. relying on the primary key/foreign key relationships, how would you create a sql query that would select all the data from both the purchase orders table and the suppliers table?
For this, select from Purchase_Orders, Suppliers where Purchase_Orders.Supplier_ID = Suppliers.Supplier_ID.
What is SQL query?The domain-specific programming language known as SQL is used for managing data stored in relational database management systems or for stream processing in relational data stream management systems.
Choose Purchase Orders, Suppliers, where Purchase Orders.Supplier_ID = Suppliers.Supplier_ID , for this.
The aforementioned query will first merge the tables Suppliers and Purchase Orders on the predicate Purchase Orders.
Suppliers, Supplier ID, etc.
Display all the records from the combined table after Supplier ID.
Thus, this can be the query for the given scenario.
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what are the problems with deploying phoenix in nine days?
There are problems at every layer in Phoenix Databases, Servers, Networking Operating systems, Layer 7, switch. In addition to Apache HBase called Apache Phoenix offers a programmable ANSI SQL interface.
Software developers can create next-generation data-driven apps based on HBase thanks to the implementation of best-practice optimizations by Apache Phoenix. With Phoenix, you can build tables and interact with them using common DDL/DML statements and the JDBC API.
Phoenix offers:
Support for SQL and JDBC APIAccess to data produced and stored in other components, such as Apache Spark and Apache Hive, with support for late-bound, schema-on-read.Phoenix offers quick access to enormous volumes of data; it can execute reads, writes, and updates in a millisecond and performs quick table scans.For instance, it can scan 100 million rows in 20 seconds (narrow table on a medium-sized cluster). If the query includes filters on important data, this query time can be decreased to a few milliseconds. You can create a replica of the table with the indexed column(s) part of the key for filters on non-key or non-leading key columns by adding secondary indexes on these columns, which results in performance equal to filtering on key columns.
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components within your server room are failing at a rapid pace. you discover that the humidity in the server room is at 60% and the temperature is at 80 degrees. what should you do to help reduce problems?
To help reduce problems with failing components in your server room, you should take steps to control the temperature and humidity levels. Ideally, the temperature in a server room should be kept between 68-72°F and the humidity level between 45-55%. High temperatures and high humidity levels can cause condensation, which can lead to corrosion and other issues with the electronics. Some steps you can take include:
Installing air conditioning or cooling systems to regulate the temperature.Installing a dehumidifier to control the humidity levels.Ensuring proper ventilation to keep fresh air circulating and to prevent the buildup of heat and humidity.Here is the other solution to help you reduce problems:
Monitoring the temperature and humidity levels regularly and adjusting the environment as necessary.
Making sure that the server room is properly insulated to prevent heat transfer from the outside.
Considering the use of humidity-absorbing materials, such as silica gel, to control the humidity levels.
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Create a web page as given in the figure.
Give the title of the web page, "Success Secrets".
+
+
+
♦
•
+
+
+
+
Set the background colour of the web page to Orange.
Choose Font size= 7 for the text 'Success', Font Face - 'Cooper
Black' and Font Color - 'Green'.
Enter the text on the web page as shown in the picture.
Choose the Font size= 5, Font Face- 'HomewardBound', and
Font Color-'Blue' for the subheadings, such as PLAN, LISTEN,
etc.
Choose the Font size=4, Font Face-'Lucida Handwriting', and
Font Color-'White' for the text written under the subheadings.
Choose the Font size=4, Font Face- 'Cooper Black', and Font
Color-'Green' for the text "With Best Wishes".
Select Font size=5, Font Face - 'HomewardBound', and Font
Color 'Red' for the text KIPS TEAM.
Save the web page by giving the extension ".html". Run the
HTML code on the web browser.
The correct formatting of text and visuals is ensured for your Internet browser using HTML coding. Without HTML, a browser would not understand how to load images or other elements or display text as an element.
What role of HTML code on the web browser?Create a web page. - State that the page's title is "Success Secrets". - Orange should be chosen as the website's backdrop colour. - For the text "Success," choose Font Size = 7 = 7, Cooper Black for the Font Face, and Green for the Font Color.
Therefore, * Enter the text as it appears in the photo on the website. "Red" as the font colour for KIPS TEAM. Give the web page the ".html" extension to save it. Open the web browser and run the HTML code.
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how do programmers find exceptions and run-time errors? group of answer choices compiling with the run-time-error detection option activated carefully reading over the program code testing the compiled program with a variety of input values running the compiler and examining output messages previousnext
programmers find exceptions and run-time errors with testing by running the program with a variety of input values
An individual who writes/creates computer software or applications by providing the computer with precise programming instructions is known as a programmer. The majority of programmers have a comprehensive background in computing and coding that spans a variety of platforms and programming languages, including SQL, Perl, XML, PHP, HTML, C, C++, and Java.
A programmer may also choose to specialize in one or more areas of computers, such as software, firmware, mobile, or web development, databases, or security. These people have a significant impact on the advancement of computing and computer technology.
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which is not one of the reasons for the growth of the internet in the early 1970s to late 1980s?
The first e-mail program was created by Ray Tomlinson in 1972, the same year that ARPANET gave its first public demonstration. By 1973, e-mail conversation accounted for the majority of internet usage.
What inspired the creation of the Internet in the 1970s?The Internet was initially developed for military use before being broadened to support scientific collaboration. The innovation was also influenced in part by the 1960s' rising need for computers.
What led to the Internet's growth in the 1980s and 1990s?The development of DNS, the widespread usage of TCP/IP, and the acceptance of email led to a surge in online activity. The network increased from 2,000 hosts to 30,000 hosts between 1986 and 1987. Now, individuals used the internet to communicate with one another, read the news, and exchange data.
Internet Protocol, sometimes known as IP, was developed by Vint Cerf and Robert Kahn in the late 1970s.
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what is system administration and maintenance
A person in charge of a whole computer system, including the software and operating system. The duties of a system administrator are comparable to those of a network administrator.
Installing new hardware or software, managing user accounts, maintaining servers and databases, and preparing for and responding appropriately to system outages and other issues are examples of common duties.
IT professionals in a business perform the task of system administration. The task is to make sure that all computer systems and related services are operating as intended. The jobs involved in system administration are varied and frequently rely on the kind of computer systems being maintained, although most of them have certain basic functions that may be carried out in a variety of ways.
Other duties could include teaching computer users and helpers, as well as doing some light programming or scripting to simplify system operations.
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what is the bit rate for each of the following signals? a. a signal in which 1 bit lasts 0.001 s
Bitrate = 1/ (bit duration) = 1 / (0.001 s) = 1000 bps = 1 Kbps, Bitrate = 1/ (bit duration) = 1 / (2 ms) = 500 bps, and Bitrate = 1/ (bit duration) = 1 / (20 s/10) = 1 / (2 s) = 500 Kbps.
the maximum bit rate that may be sent via a digital network. The term "bitrate" refers to the speed at which bits are transported from one place to another. It gauges how much information is sent over a specific period of time. Common units of measurement for bitrate include bits per second (bps), kilobits per second (Kbps), and megabits per second (MB/s) (Mbps).
The optimal bitrate for 1080p movies is between 3,500 and 6,000 Kbps. You should aim for the lower end of the range, between 3,500 and 5,000 Kbps, if you're utilising a conventional frame rate (30fps). Aim for a bitrate between 4,500 and 6,000 Kbps if your video has a high frame rate (60 fps).
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Which card allows the computer to output, input, or
manipulate sound?
Which card allows computers to communicate
using networking standards?
Which card assists with processing and displaying
images?
A computer may communicate audio data to an audio device, such as speakers, a set of headphones, etc., thanks to the expansion card known as the sound card.
What are the functions of different cards in computer?It gives computers the ability to input and output audio, which can be heard by speakers or headphones. Even though a sound card is not required, every computer has one, either built into the motherboard (onboard) or in an expansion slot.
For a computer to be network-connected, a network interface card (NIC) is a necessary piece of hardware.
The raw processing capacity of the GPUs in graphics cards is occasionally employed for tasks other than graphics.
Therefore, the sound card allows the computer to output, input, or manipulate sound. A network interface card allows computers to communicate using networking standards. GPUs card assists with processing and displaying images.
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Answer:
Which card allows the computer to output, input, or manipulate sound?
✔ sound card
Which card allows computers to communicate using networking standards?
✔ network card
Which card assists with processing and displaying images?
✔ graphics card
Explanation:
In this unit, you learned that test generators can be very helpful when trying to determine if a code runs properly or fails in some situations. For example, let’s say that you were writing a program where the user would input their test grades and the program would tell them their average. What kinds of data would a test generator want to test for that program to be sure that it would work in all situations?
Answer:
Using boundary value analysis and assuming the valid range of test scores is [0 - 100],
min value, min value + 1-1 and 0A Nominal value between (0, 100)100 and 101max value - 1, max valueIn Boundary value analysis, we test the transition points where the program's behavior is expected to change. These transition points are the boundaries of valid and invalid partitions.
Min and max value are the smallest and largest possible values that you can store in your data type being used. This varies depending on the data type, so without knowing which you are using (and which language), I can't be more specific.
Advanced Persistent Threats are a forms of attacks that can be very dangerous. Why are they so damaging? Select all that applyA- They overwhelm a system causing failuresB- They are specially designed to avoid noticeC- They tend to be slow in exfiltrating informationD- They are used in systems that are not important
An advanced persistent threat (APT) is a targeted cyberattack that lasts for a long time and involves an intrusion into a network that goes unnoticed for a considerable amount of time.
APT attacks are started with the intention of stealing data rather than harming the network of the target company. Instead of attempting to enter and exit the targeted network as fast as possible, the majority of APT attacks aim to gain and keep continuing access to it.
Hackers frequently choose high-value targets, such as nation-states and major organizations, with the intention of collecting information over an extended period of time because APT attacks can require a lot of time and money. APT groups frequently employ cutting-edge attack strategies, such as sophisticated exploits of zero-day vulnerabilities, as well as highly-targeted spear phishing and other social engineering techniques, to get access.
Threat actors may frequently rewrite malicious code to evade detection and use other complex evasion strategies in order to continue access to the targeted network without being identified.
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