What is a backdoor?
A. A different sign-in page to log into a computer
B. An unrecognized entry into a computer or system
C. A fake version of software to access a computer system
D. An administrative login feature of computer software

Answers

Answer 1

B. Generally backdoors are logins/access to something without permission and without admins knowing.


Related Questions

You may review Chapter 2, pages 67-71 of the textbook or communication skills.
Now please answer the following questions:
• What communication systems do you believe are best to be used at a help desk?
• What may be a couple of reasons for the satisfaction disparity?
• How can you ensure that all employees are satisfied with the help desk's services regardless of how
Responses to Other Students: Respond to at least 2 of your fellow classmates with at least a 50-100-w
found to be compelling and enlightening. To help you with your discussion, please consider the following
• What differences or similarities do you see between your posting and other classmates' postings?
**
M
hp

Answers

Customer satisfaction is very important. A good insights as well as guidance in regards to the question are given below

What is the review?

In terms of Communication systems that is made for a help desk: The right one to use in terms of communication systems for a help desk would is one that is based on the key needs as well as the need requirements of the firm and that of their customers.

Therefore, Reasons for satisfaction in terms of disparity are:

Inconsistent in terms of service qualityLack of available resourcesTraining as well as development

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advantages of airport watchtower​

Answers

Answer:

advantages of airport watchtower

BitTorrent, a P2P protocol for file distribution, depends on a centralized resource allocation mechanism through which peers are able to maximize their download rates.
True or False?

Answers

Answer:

yes. it is true. mark as brainlest

the design element line used to help a viewer in photography how

Answers

Answer:

LINE is the most versatile of all of the Elements of Art. We can use line in many ways in photography – to suggest contrast, shape, movement, direction, pattern, rhythm, distance, and more. Differences in width, length and direction of line can impact their meaning and the viewer’s response to them.Use of line can generate psychological responses. For example, curved lines often evoke a sense of calm or restfulness. Conversely, jagged lines may suggest tension or urgency.

Lines can draw attention to subjects, or to portray abstract ideas. Consider the use of lines in a subject’s pose, in scenery, in styling elements, in shadow & highlight, and so on.

Thick or heavy lines might say bold or lack of subtlety, while a thin line might say refined, or even frail.

Lines can be used to frame and unify, or to divide and separate elements within an image.

Leading lines can direct the viewer’s eye through a scene to a point of interest – and they can do so with a sense of urgency with direct, straight lines, or at a relaxed pace with fluid, curved lines.

So how we use line, and in fact all the Elements of Art, determines the emotions we convey and their impact on the stories we tell.

Part 2 Graduate Students Only Architectural simulation is widely used in computer architecture studies because it allows us to estimate the performance impact of new designs. In this part of the project, you are asked to implement a pseudo-LRU (least recently used) cache replacement policy and report its performance impact. For highly associative caches, the implementation cost of true LRU replacement policy might be too high because it needs to keep tracking the access order of all blocks within a set. A pseudoLRU replacement policy that has much lower implementation cost and performs well in practice works as follows: when a replacement is needed, it will replace a random block other than the MRU (most recently used) one. You are asked to implement this pseudo-LRU policy and compare its performance with that of the true LRU policy. For the experiments, please use the default configuration as Question 3 of Project Part 1, fastforward the first 1000 million instructions and then collect detailed statistics on the next 500 million instructions. Please also vary the associativity of L2 cache from 4 to 8 and 16 (the L2 size should be kept as 256KB). Compare the performance of the pseudo-LRU and true-LRU in terms of L2 cache miss rates and IPC values. Based on your experimental results, what is your recommendation on cache associativity and replacement policy? Please include your experimental results and source code (the part that has been modified) in your report. Hint: The major changes of your code would be in cache.c.

Answers

The  outline that a person can use to implement as well as compare the pseudo-LRU and that of the  true-LRU cache replacement policies is given below

What is the code  about?

First, one need to make changes the cache replacement policy that can be see in the cache.c file of a person's code.

Thereafter one need to Run simulations with the use of the already modified  or changed code via the use of the default configuration as said in Question 3 of Project Part 1.

Therefore, one can take detailed statistics, such as L2 cache miss rates and IPC (Instructions Per Cycle) values, for all of the next 500 million instructions.  etc.

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1.ShoppingBay is an online auction service that requires several reports. Data for each auctioned

item includes an ID number, item description, length of auction in days, and minimum required bid.

Design a flowchart or pseudocode for the following:

-a. A program that accepts data for one auctioned item. Display data for an auction only if the

minimum required bid is more than $250.00

Answers

The pseudocode for the program: Announce factors for the unloaded thing information, counting:

auction_id (numbers)

item_description (string)

auction_length (numbers)

minimum_bid (drift)

Incite the client to enter the auction_id, item_description, auction_length, and minimum_bid.

What is the pseudocode?

The program acknowledges information for one sold thing, counting the auction_id, item_description, auction_length, and minimum_bid. It at that point checks in case the minimum_bid for the unloaded thing is more prominent than or rise to to $250.00.

The pseudocode for the program pronounces factors for the sold thing information and prompts the client to enter the information. At that point it employments an in the event that articulation to check in case the minimum_bid is more noteworthy than or break even with to 250.00.

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1.ShoppingBay is an online auction service that requires several reports. Data for each auctioneditem

the appeal process consists of levels each level must be completed for each claim at issue prior to proceding to the next level. four three five six

Answers

The competent independent contractor is handling this appeal (QIC). Only after submitting a Redetermination and receiving a response may you file a Reconsideration.

What appeal process consists of levels?

The decision letter at each level will provide instructions on how to proceed to the subsequent level of appeal. The first phase of an Original Medicare appeal is a redetermination.

The redetermination is carried out by the same contractor who handled your Medicare claim. Your appeal will not be handled by the same person who processed your claim, though.

Submit an appeal notice. Step two is when you pay the filing fee. Analyse if additional information must be submitted with your case's initial file to the appeals court. Get the trial transcripts, step 4.

Therefore, The appeals process has five levels. You can typically move on to the following round if you disagree with a decision made at any point in the process.

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The given question is incomplete. The complete question is given below.

Each level of the appeals process must be completed for each claim prior to proceeding to the next level of appeal. Which of the following is the last level of appeal?

Create a Metric Conversion application that displays a menu of conversion choices and then prompts the user to choose a conversion. Conversion choices should include inches to centimeters, feet to centimeters, yards to meters, miles to kilometers, and vice versa. The application should include separate methods for doing each of the conversions. Application output should look similar to:

Answers

Answer:

The program in C++ is as follows:

#include<iostream>

using namespace std;

void in2cm(){

   double inch;

   cout<<"Inches: ";    cin>>inch;

   cout<<"Centimeter: "<<2.54 * inch<<endl;}

void ft2cm(){

   double feet;

   cout<<"Feet: ";    cin>>feet;

   cout<<"Centimeter: "<<30.48 * feet<<endl;}

void yd2m(){

   double yard;

   cout<<"Yard: ";    cin>>yard;

   cout<<"Meter: "<<0.9144 * yard<<endl;}

void mi2km(){

   double miles;

   cout<<"Mile: ";    cin>>miles;

   cout<<"Kilometer: "<<1.60934 * miles<<endl;}

void cm2in(){

   double cm;

   cout<<"Centimeter: ";    cin>>cm;

   cout<<"Inches: "<<0.393701 * cm<<endl;}

void cm2ft(){

   double cm;

   cout<<"Centimeter: ";    cin>>cm;

   cout<<"Feet: "<<0.0328084 * cm<<endl;}

void m2yd(){

   double meter;

   cout<<"Meter: ";    cin>>meter;

   cout<<"Yard: "<<1.09361 * meter<<endl;}

void km2mi(){

   double km;

   cout<<"Kilometer: ";    cin>>km;

   cout<<"Miles: "<<0.621371 * km<<endl;}

int main(){

   cout<<"Menu\n1 - inches to centimeter\n2 - feet to centimeter\n3 - yard to meter\n4 - miles to kilometer";

   cout<<"\n5 - centimeter to inches\n6 - centimeter to feet\n7 - meter to yard\n8 - kilometer to miles\n0 - Quit"<<endl;

   int menu;

   cout<<"Select Menu: ";    cin>>menu;

   while(menu != 0){

   if(menu == 1){        in2cm();    }

   else if(menu == 2){        ft2cm();    }

   else if(menu == 3){        yd2m();    }

   else if(menu == 4){        mi2km();    }

   else if(menu == 5){        cm2in();    }

   else if(menu == 6){        cm2ft();    }

   else if(menu == 7){        m2yd();    }

   else if(menu == 8){        km2mi();    }

   else{cout<<"Invalid Menu"<<endl;}

       cout<<"Select Menu: ";    cin>>menu;

   }

   return 0;

}

Explanation:

See attachment for complete code where comments are used as explanation

Which HTML tag is used to add an ordered list to a web page?

Answers

Answer:

<ol> Defines an ordered list

Answer:

<ol>

Explanation:

from which family does Ms word 2010 belong to​

Answers

Answer:

Microsoft Word 2010 belongs to the Microsoft Office 2010 suite.

Explanation:

Microsoft Word 2010 was released as part of the Microsoft Office 2010 suite, which was launched in June 2010. The suite included various applications such as Word, Excel, PowerPoint, Outlook, and others. Microsoft Word 2010 specifically is a word processing software designed to create and edit text-based documents. It introduced several new features and improvements compared to its predecessor, Word 2007. These enhancements included an improved user interface, enhanced collaboration tools, new formatting options, an improved navigation pane, and improved graphics capabilities. Therefore, Microsoft Word 2010 is part of the Microsoft Office 2010 family of software applications.

WHICH OF THE FOLLOWING TASKS ARE PART OF THE SOFTWARE EVALUATION PROCESS?
TESTERS...

Answers

With regard to software evaulation, note that the correct options are -

Testers check that the code is implemented according to the specification document.A specification document is created.Any issues with the software are logged as bugs.Bugs are resolved by developers.

How is this so?

The tasks that are part of the software evaluation process include  -

Testers check that the code is implemented according to the specification document.A specification document is created.Any issues with the software are logged as bugs.Bugs are resolved by developers.

Tasks not directly related to the software evaluation process are  -

Software developers writing code line by line.Creating a design for the software program.

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Full Question:

Although part of your question is missing, you might be referring to this full question:

Choose all that apply: Which of the following tasks are part of the software evaluation process?

testers check that the code is implemented according to the specification document

an specification document is created

software developers write code line by line

any issues with the software are logged as bugs

bugs are resolved by developers

a design for the software program is created

Online Book Merchants offers premium customers 1 free book with every purchase of 5 or more books and offers 2 free books with every purchase of 8 or more books. It offers regular customers 1 free book with every purchase of 7 or more books, and offers 2 free books with every purchase of 12 or more books. Write a set of nested if/else statements that assigns freeBooks the appropriate value based on the values of the bool variable isPremiumCustomer and the int variable nbooksPurchased.

Answers

Answer:

Following are the if/else statement that are given below

if(nbooksPurchased > 4) //book purchase greater then 4

{

if(isPremiumCustomer) // check condition

{

freeBooks = 1;  // free book is 1

if(nbooksPurchased > 7) // book purchase is 8

{

freeBooks = 2;  // two free books

}

}

else

{

freeBooks = 0; // free books is 2

}

if(nbooksPurchased > 6) // book purchase is greater then 6

{

freeBooks = 1;  // free books is 1

}

if(nbooksPurchased > 11) // book purchase is 12

{

freeBooks = 2;  // free books is 2

}

}

}

else

{

freeBooks = 0; // free books is 0

}

Explanation:

Following are the description of statement

As mention in the question the variable "nbooksPurchased." described the purchasing of books ,"freeBooks" is used to describe the free books  and "isPremiumCustomer" is bool variable .if nbooksPurchased >5 means the book is every purchase of the 5 it assign freeBooks = 1; .If  nbooksPurchased  is greater then 7 then free books variable is assigned with the 2 otherwise free books is 0.if  nbooksPurchased is greater then 6 then it assign free books to 1.if  nbooksPurchased is greater then 11 then it assign the free books to 2 otherwise assign freebooks to 0.

Answer:

if (isPremiumCustomer)

{

  if (nbooksPurchased >= 8)

     freeBooks = 2;

  else if (nbooksPurchased >= 5)

     freeBooks = 1;

  else

     freeBooks = 0;

}

else

{

  if (nbooksPurchased >= 12)

     freeBooks = 2;

  else if (nbooksPurchased >= 7)

     freeBooks = 1;

  else

     freeBooks = 0;

}

Explanation:

Select
the correct answer from each drop-down menu.
At which stage should James, a website designer, gather information about the website he wants to create, and at which stage should he begin its
coding?
James should gather information in the
phase and begin the site's coding in the
phase.

Answers

Answer:

At which stage should James, a website designer, gather information about the website he wants to create, and at which stage should he begin its coding?

James should gather information in the planning phase and begin the site's coding in the development phase.

Hope this helps!

upward communication flows from_ to_ a) superior to superior b)superior to subordinate c)subordinate to superior d)​

Answers

The term upward communication flows from option c) subordinate to superior.

What is the flow of upward communication?

Upward Communication is known to be the act oof information transmitting or flowing from the smallest  levels of a hierarchy to the highest levels

Note that This type of communication is said to be more popular in firms as traditional forms of communication. According to Ricky W. Griffin, “Upward communication is made up of messages that is given  from subordinates to superior.”

Upward Communication is the act of information passing from the lower levels that pertains to a hierarchy to that of the  upper levels. This type of communication is said to be used by  organizations in their workings.

Hence, The term upward communication flows from option c)subordinate to superior.

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Write a function named power that accepts two parameters containing integer values (x and n, in that order) and recursively calculates and returns the value of x to the nth power.

Answers

Answer:

Following are the code to the given question:

int power(int x, int n)//defining a method power that accepts two integer parameters

{

if (n == 0)//defining if block to check n equal to 0

{

return 1; //return value 1

}

else//defining else block

{

x = x * power(x, --n); //use x variable to call method recursively

}

return x; //return x value

}

Explanation:

In the above-given code, a method power is defined that accepts two integer variable in its parameter, in the method a conditional statement is used which can be defined as follows:

In the if block, it checks "n" value, which is equal to 0. if the condition is true it will return value 1.In the else block, an integer variable x is defined that calls the method recursively and return x value.

16 Select the correct answer. Rachel has set up a computer network. In this network, due to a device, the computers partake in the message transfer process. Which device is this? ОА. NIC B. hub C. modem D. switch E. bridge Reset Reset Next​

Answers

Answer:D. switch

Explanation:cause it is

Write a program that asks the user how many frisbees they would like to buy, and then prints out the total cost. You should declare a constant at the top of your program called COST_OF_FRISBEE and set it equal to $15. Remember, constants should be formatted with all capital letters.

Be sure to include comments that describe the program’s behavior which is how the program functions and how the user interacts with it.

in python programming

Answers

#define the price of a frisbee

COST_OF_FRISBEE = 15

#get the number of frisbees the customer wants

frisnum = int(input("How many frisbees do you want: "))

#output cost

print(frisnum, "frisbees will cost", frisnum*COST_OF_FRISBEE)

Write a program to prompt the user to enter a fist name, last name, student ID and GPA. Create a dictionary called Student1 with the data. Repeat this for three students and create Student2 and Student3 dictionaries. Store the three students dictionaries to a new dictionary called ClassList. (ClassList will have Student1, Student2 and Student3 as sub dictionaries). Print out the ClassList. Then remove the GPA and print ClassList again.

Answers

Answer:

Answered below

Explanation:

#Program is written in Python

first_name = input ("Enter first name: ")

last_name = input ("Enter last name:")

student_id = int(input("Enter your ID"))

gpa = float(input ("Enter your GPA: "))

student1 = {}

student1["first_name"] = first_name

student1["last_name"] = last_name

student1["student_id"] = student_id

student1["gpa"] = gpa

//Repeat same code for student2 and student3

class_list = {"student1": {"first_name":"joy","last_name":"Son","student_id":"1","gpa":"3.5"},

#Fill in for student 2 and 3}

#To remove GPA for all students

del class_list["student1"]["gpa"]

del class_list["student2"]["gpa"]

del class_list["student3"]["gpa"]

print(class_list)

Please Help I'm Very Stressed, my school is holding a competition of making the best video game and the winner gets 1000$ and I really want 1000$, the problem is that I can't make any good games or don't have any ideas for anything the game has to have lore and a plot and characters and it's really stressing so please help me get a idea or something easy enough to make

Answers

Answer:

make a game like fun run

Explanation:

Answer:

u should make an competive game where people battle each other sorry if i cant spell good its cause im rushing

Explanation:

A compound Boolean expression created with the __________ operator is true only if
both of its subexpressions are true.
a. and
b. or
c. not
d. both

Answers

Answer:

the answer is AND

Explanation:

The condition is " both of its sunexpressions are true"

So OR us not the answer. Not and Borh are not the proper Boolean language.

Type the correct answer in the box. Spell all words correctly.

What is the person creating the technical design or drawing known as?

The person creating the technical design or drawing is known as a blank ?

Type the correct answer in the box. Spell all words correctly.What is the person creating the technical

Answers

Note that the person creating the technical design or drawing known as drafts man.

How are drafts men useful?

We must note that drafts men are those who are very proficient at creating engineering designs. They can function in Architecture, Engineering, Automobile Engineering etc.

Their job, mainly is to translate the idea of a project into the first pictorial representation that will guide the building engineers into translating same into reality.

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Despite an already solution-rich and competitive market for videoconferencing platforms, Yuan saw an opportunity that turned into a billion-dollar company. Can you think of any markets today that may have
many competitors and alternatives but products that are lacking?

Answers


There are many markets today that may have many competitors and alternatives but products that could still be improved upon. Examples include online streaming services, e-commerce platforms, ride-sharing services, and food delivery services. These markets are highly competitive, but there is still room for innovation and improvement. For example, streaming services could offer more personalized content, e-commerce platforms could offer better customer service, ride-sharing services could offer more efficient routes, and food delivery services could offer faster delivery times.

5.16 LAB: Intersection of two lists Programming Objectives With two user input lists, such as the example below: [1,3,6,78,35,55] and [12,24,35,24,88,120,155], write a program to make a list whose elements are intersection (common) of the user input lists. Please note that redundant elements should be counted only once. Technical Descriptions Your program should interact with its user such that two lists of different number of elements can be arbitrarily specified through program input. With the lists above as an example:

Answers

Yeeeeeeeeeeeeeeeeeeeeeee

What kinds of
programs are included in system software?

Answers

Answer:

Programs such as the operating system, database management systems, networking software, translators, and software utilities.

Explanation: Hope it helps you :))))

Have a good day.

1.11 zyLab training: Interleaved input / output

Auto-graded programming assignments have numerous advantages, but have some challenges too. Students commonly struggle with realizing that example input / output provided in an assignment's specification interleaves input and output, but the program should only output the output parts. If a program should double its input, an instructor might provide this example:

Enter x:
5
x doubled is: 10


Students often incorrectly create a program that outputs the 5. Instead, the program should only output the output parts:

Enter x:
x doubled is: 10


The instructor's example is showing both the output of the program, AND the user's input to that program, assuming the program is developed in an environment where a user is interacting with a program. But the program itself doesn't output the 5 (or the newline following the 5, which occurs when the user types 5 and presses enter).

Also, if the instructor configured the test cases to observe whitespace, then according to the above example, the program should output a newline after Enter x: (and possibly after the 10, if the instructor's test case expects that).

The program below incorrectly echoes the user's input to the output.

1. Try submitting it for grading (click "Submit mode", then "Submit for grading"). Notice that the test cases fail. The first test case's highlighting indicates that output 3 and newline were not expected. In the second test case, the -5 and newline were not expected.
2. Remove the code that echoes the user's input back to the output, and submit again. Now the test cases should all pass.

1.11 zyLab training: Interleaved input / outputAuto-graded programming assignments have numerous advantages,

Answers

The code is System.out.println(x);  //use print method to print value.

What is Java programming used for?In order to have as few implementation dependencies as feasible, Java is a high-level, class-based, object-oriented programming language.Java is a programming language used by programmers to create programmes for laptops, data centres, game consoles, scientific supercomputers, mobile phones, and other gadgets. According to the TIOBE index, which ranks the popularity of programming languages, Java is the third most used programming language in the world, after Python and C.Python and Java are two of the most popular and robust programming languages. Java is a compiled language, which means it is typically quicker and more effective than Python. Python's syntax is shorter and clearer than Java's because it is an interpreted language. It uses fewer lines of code than Java to do the same task.

Given data :

In the given question, it simplifies or deletes code in the 11th line. This line has a large major statement.  

In the case, the tests fail because only 1 line of output is required by the tester, but two lines are obtained instead.

It's to demonstrate that the input/output or testing requirements function throughout the model.

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Which core business etiquette is missing in Jane

Answers

Answer:

As the question does not provide any context about who Jane is and what she has done, I cannot provide a specific answer about which core business etiquette is missing in Jane. However, in general, some of the key core business etiquettes that are important to follow in a professional setting include:

Punctuality: Arriving on time for meetings and appointments is a sign of respect for others and their time.

Professionalism: Maintaining a professional demeanor, dressing appropriately, and using appropriate language and tone of voice are important in projecting a positive image and establishing credibility.

Communication: Effective communication skills such as active listening, clear speaking, and appropriate use of technology are essential for building relationships and achieving business goals.

Respect: Treating others with respect, including acknowledging their opinions and perspectives, is key to building positive relationships and fostering a positive work environment.

Business etiquette: Familiarity with and adherence to appropriate business etiquette, such as proper introductions, handshakes, and business card exchanges, can help establish a positive first impression and build relationships.

It is important to note that specific business etiquettes may vary depending on the cultural and social norms of the particular workplace or industry.

Jack is part of the software quality assurance team in a company. Which activity should Jack perform as a part of software quality assurance?
A.
billing
B.
recruiting
C.
testing
D.
installing
E.
accounting

Answers

Answer:

C - testing

Explanation:

quality assurance is another name for verifying something. so when you verify software, you test the software.

For each of the following relations on the set of all real numbers, decide whether or not the relation is reflexive, symmetric, antisymmetric, and/or transitive. Give a brief explanation of why the given relation either has or does not have each of the properties. (x,y) E R if and only if:
(1) x + y = 0
(2) x – y is a rational number (a rational number is a number that can be expressed in the form a/b where a and b are integers)
(3) x = 2y
(4) xy >= 0

Answers

Answer:

See the explanation

Explanation:

Rules to Remember:

If R is the relation on set A, then:

R is REFLEXIVE when if (a,a)∈R for every element a∈A

R is SYMMETRIC if (b,a)∈R whenever (a,b)∈R

R is ANTI-SYMMETRIC if (b,a)∈R and (a,b)∈R such that a=b

R is TRANSITIVE if (a,b)∈R and (b,c)∈R such that (a,c)∈R

1) x + y = 0:

R is NOT REFLEXIVE because x + x = 0 only when x = 0, not for all real numbers.

R is SYMMETRIC because x + y = 0 , then y + x = 0.

R is NOT ANTI-SYMMETRIC because 1 + (-1) = 0 and (-1) + 1 = 0 where 1 ≠ -1

R is NOT TRANSITIVE because 1 + (-1) = 0 and (-1) + 1 = 0, while 1 + 1 ≠ 0

2) x - y is a Rational Number:

R is REFLEXIVE because x - x = 0 where 0 is a rational number.

R is SYMMETRIC because x - y  is a rational number, then y - x = - (x - y) is also a rational number.

R is NOT ANTI-SYMMETRIC because 1 - 2 and 2 - 1 both are rational numbers where   1 ≠ 2

R is TRANSITIVE because if x - y is a rational number and y - z is a rational number, then x - z = (x - y) - (y - z) is also a rational number

3) x = 2y

R is NOT REFLEXIVE because x = 2x only when x = 0, not for all real numbers.

R is NOT SYMMETRIC because 2 = 2(1)  while 1 ≠ 2(2)

R is ANTI-SYMMETRIC because x = 2y and y = 2x, then x - y = 0 (As x = 2y = 2(2x) = 4x is only true when x = 0)

R is NOT TRANSITIVE because x = 2y and y = 2z,  then x = 2(2z) = 4z, which is not equal to x = 2z

4) xy ≥ 0

R is REFLEXIVE because xx = x² ≥ 0 which is always true

R is SYMMETRIC because xy = yx ≥ 0

R is NOT ANTI-SYMMETRIC because (2)(1) ≥ 0 and (1)(2) ≥ 0 where 1 ≠ 2

R is NOT TRANSITIVE because if x = -1, y = 0, z = 1, then xy ≥ 0, yz ≥ 0 but xz ≤ 0

How laggy is you're game cause I even lag in offline games this is just a random question. ​

Answers

Answer: its bad

Explanation:

Answer:

Lagging in offline games suggests there is something wrong with the computer, not the internet. There are various speed tests you can use to determine the speed of your internet! One being https://www.speedtest.net/ which is a more well known and trusted site. Depending on how old your computer is or if it is a laptop not build for games can influence your gameplay experience greatly.

80. A .......... is used to read or write data.
A. CD B. VDU C. ROM D. RAM​

Answers

Answer:

Depending on exactly what they mean by read and write, both A and D are valid.  In fact, if you read that as "read or write" as being a logical OR and not the logical AND that the sentence probably intends, then all four answers could be correct.

What they probably mean to say though is "..... is used as a read/write storage medium", in which case A is the correct answer.

A.  Data can be written to or read from a CD.  This is probably the "right" answer

B. A human can "read" data from a Visual Display Unit, and the computer "write" it.  That of course is not the intended meaning though.

C.  Data can be read from Read Only Memory, but not written to.

D. Data can be both read and written to Random Access Memory, but not retained after the computer is powered off.

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