
Additional Shift & Mod
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
What is a Caesar shift cipher?
Back
A Caesar shift cipher is a type of substitution cipher where each letter in the plaintext is 'shifted' a certain number of places down or up the alphabet.
2.
FLASHCARD QUESTION
Front
How does a Caesar shift cipher work?
Back
In a Caesar shift cipher, each letter is replaced by a letter a fixed number of positions down the alphabet. For example, with a shift of 1, A becomes B, B becomes C, etc.
3.
FLASHCARD QUESTION
Front
What is meant by 'shift' in a Caesar cipher?
Back
The 'shift' refers to the number of positions each letter in the plaintext is moved in the alphabet to create the ciphertext.
4.
FLASHCARD QUESTION
Front
What happens to the shift after each character is encrypted in a variable shift Caesar cipher?
Back
In a variable shift Caesar cipher, the shift increases by one after each character is encrypted.
5.
FLASHCARD QUESTION
Front
Encrypt the word 'SOUND' using a Caesar shift cipher with a starting shift of 4.
Back
WTAUL
6.
FLASHCARD QUESTION
Front
Encrypt the word 'VIDEO' using a Caesar shift cipher with a starting shift of 23.
Back
SGCEP
7.
FLASHCARD QUESTION
Front
Encrypt the word 'PLACE' using a Caesar shift cipher with a starting shift of 16.
Back
FCSVY
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