COMPUTER FUNDAMENTALS

COMPUTER ETHICS AND SECURITY

CRYPTOGRAPHY AND ENCRYPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A Caesar cipher is an example of a ____
A
transposition cipher
B
bimodal cipher
C
substitution cipher
D
substantial cipher
Explanation: 

Detailed explanation-1: -The Caesar cipher is a type of substitution cipher in which each alphabet in the plaintext or messages is shifted by a number of places down the alphabet. For example, with a shift of 1, P would be replaced by Q, Q would become R, and so on.

Detailed explanation-2: -Substitution ciphers encrypt the plaintext by swapping each letter or symbol in the plaintext by a different symbol as directed by the key. Perhaps the simplest substitution cipher is the Caesar cipher, named after the man who used it.

Detailed explanation-3: -It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet. For example, with a left shift of 3, D would be replaced by A, E would become B, and so on.

Detailed explanation-4: -Explanation: Caesar Cipher is an example of Mono-alphabetic cipher, as single alphabets are encrypted or decrypted at a time.

There is 1 question to complete.