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WorksheetsOnline Quiz
Total questions: 21
Worksheet time: 9mins
Taking a secret message and reproducing the original plain text is known as?
Caesar Cipher
Encryption
Cipher Text
Decryption
The process of converting plaintext to ciphertext.
cryptography
cyphertext
decryption
encryption
Information that is readable without performing any cryptographic operations.
cryptography
plaintext
encryption
decryption
A string of text that has been converted to a secure form using encryption.
encryption
decryption
ciphertext
plaintext
What is the algorithm of ceasar's cipher?
Each letter is replaced with a particular symbol
Each letter is replaced with a letter a certain number of steps down the alphabet
Each letter is replaced with a particular number from 0 to 26, and numbers are replaced with letters.
Each letter is replaced with a completely random number
Which of these is an example of a computer?
Personal desktop computer
Ipad
Smartwatch
All of these are examples of computers
Computers can do many things, for example......
it manipulates data
it stores information
it connects people from different places
a computer can do all these
Which of these is NOT a way to take good care of a Chromebook/computer?
Cleaning the screen with a microfiber cloth
Keeping food and drinks away from the device
Adding extra weight on it like a backpack
Holding it with both hands when you carry it
A computer uses a combination of :
hardware and software
line paper and white paper
monitor and digital pixels
keyboard and mouse
Which of these is an example of Computer Hardware?
Google Chrome
Microsoft Windows
MacOS
Keyboard
Which of these is an example of Computer Software?
Which of these is NOT an example of Computer Software?
Which of these is NOT an example of Computer Hardware?
In general, learning the basics of computers is important to do well in school and also in any type of job. True or False?
True
False
Printing a document is an example of output.
Yes, because it is the result of processing data.
No, because it's not the result of processing data.
I don't know.
Hardware cannot be touched, only software can be touched.
Yes.
No.
I don't know.
Software is the set of instructions or programs that make a computer function. It cannot be touched or seen.
Yes.
No.
I don't know.
