computer science

describe 3 differences between the checksum and check digit:

Answer:

A check digit, also known as a checksum character, is the number located on the far right side of a bar code. The purpose of a check digit is to verify that the information on the barcode has been entered correctly.

A check digit, even comprehended as a checksum character, stands for the number found on the far right side of a bar code. The intention of a check digit exists to confirm that the information on the barcode contains been documented accurately.

A checksum in public can be any size, although generally, they exist some suitable number of bits for computation, such as 32. The more extensive the checksum, the wider the range of errors it can capture. For instance, the checksum utilized for credit card numbers will notice changed digits that exist after each other, but not reversed digits that exist split by a single digit.

All cryptographic hashes (like MD5, SHA, etc.) can be utilized as checksums, but not all checksums exist cryptographic. CRC-type checksums aren’t cryptographic, but they’re extremely quick to calculate, and so they exist generally utilized for things like hard drive checksums where you don’t require the cryptographic functionality, but you accomplish want to notice an extensive range of probable errors.

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What's the technique of drawing a 3D object with one vanishing point?​

2. Input a decimal number and test if it is not equal to 16.5.


3. If a number x, input from the keyboard is greater than 57, add 4 to x and print the

answer.


4. Input two numbers and find the average only if they are both less than 100.

In 1981, Ian Murphy broke into the AT&T online computer system and changed their clocks, allowing people to make calls during the day at a discounted rate. Based on the list of defining factors for computer crimes, what best describes Murphy's crime?

A.
intentionally disrupting, degrading, or destroying information or services on a computer

B.
disclosing any data or information obtained through illegal online activity

C.
knowingly receiving or holding onto any data or information obtained through illegal online activity

D.
intentionally or recklessly tampering with, taking, transferring, concealing, altering, or damaging physical computer equipment

write 10 place where computer use and it uses​

what is internet? short ans​

PLZ HELP! 50 POINTS!!!! Which device is used to change a signal into a code?


Group of answer choices


an encoder


an antenna


a wave

What is this on G00gel Documents , how do I fix it?

Digital cameras often have trouble with auto white balance, which can result in unattractive blue, orange, or green casts.

A: true

B: false

john wants to draw a letter L. The turtle is pointing towards the top of the screen. Which series of commands will draw the shape? *

BACK 100 LEFT 90 FORWARD 50
BACK 100 RIGHT 90 FORWARD 50
BACK 200 RIGHT 90 BACKWARD 50
RIGHT 180 FORWARD 100 RIGHT 90 FORWARD 50

relevez le rôle principal de la peau dans l,organime humain. je suis bloquée aidez moi metci​

This program is an example of:

def factorial(x):

if x == 1:

return x

else:

return x * factorial(x-1)

Group of answer choices

a do while loop.

recursion.

a for loop.

a while loop.

A computer has __ IP address(es).


A. Many
B. One

Match each type of Save option on the left with a function on the right.

In Super Mario Bros., you become Mario and your friend is Mario’s younger brother Luigi. Your job is to race through Mushroom Kingdom to save Princess Toadstool and avoid the enemy, Bowser. You can jump from and to different objects, picking up coins and other items to help you on your journey through the levels. What game genre (or combination of genres) best describes this game?

A.
strategy simulation
B.
action adventure
C.
RPG
D.
sports action

In the program to evaluate passwords, you gradually built a message to display to the user. What did you add to the end of each message string to start each message on a new line?

message = message + "Your password needs an uppercase letter. _____ "

\endline

\e

\n

\newline

Why are graphs and charts important to analyze data?

what is the full form of Blog​

why is color important for all objects drawn ?​

To remove a specified number of characters from anywhere within a string, you should use the ____ method.

What is the maximum possible value of num after the code has been run?

16. If a user can make modifications to database objects, what permission has that
user been assigned?
A. Update
B. Alter
C. Create
D. Select

Please help please help

3- It is an Information page that is displayed through one of the Internet browsers, it can be saved along htm, html page.
a. Dynamic website
f. Static website
b. Ecommerce site
c. Social media sites​

what is meant by formatting the presentation?​

[tex]{\huge{\underline{\bf{\pink{Question}}}}}[/tex]

: Given a matrix, we need to count all paths from top left to bottom right of MxN matrix. You can either move down or right.​

What is an example of an outcome for a game?

A. trying to save the world from an evil wizard
B. rescuing Princess Peach from Bowser
C. playing an ocarina to teleport across the land
D. pressing Up, Up, Down, Down, Left, Right, Left, Right, Start on a controller as a “cheat code” to gain extra lives

If a flowchart has a diamond with the words “yes” and “no” to the sides of it, then it is representing a program that is a sequence.
Group of answer choices

True

False

What does // this mean in your code?

Write a program to print sum on first 10 natural numbers.
#include
int main()
{
int i, sum;
for(i=1;i<=10;++i);
{
sum =sum + i;
}
printf("The sum is = %d",sum);
}

A professional is someone who uses education and acquired skills to earn money in a career.
Question 10 options:
True
False