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WorksheetsCryptography-Grade VII
Total questions: 11
Worksheet time: 9mins
The term Cryptography means
Hiding the text
Art of writing and solving the codes
The art of drawing or painting secret codes
The given data is an example of
Encrypted data
Decrypted data
Plain text
In Cryptography, original message, before being transformed, is called
Plain text
Cipher text
An encryption algorithm transforms plain text into:
Cipher text
Plain text
Simple text
A(n) ______ algorithm transforms cipher text to plain text.
Encryption
Decryption
A cipher is
a person who makes up secret codes
an algorithm that is used to scramble text so that it can be passed in secret
any puzzle, such as a crossword or Sudoku puzzle
Decrypt the word "uqfkwo" using Caesar Cipher shift of 2.
cedars
sulphur
sodium
plenty
Cryptography can be used in ______ to scramble secret messages
sporting event
war
business
Cipher text can be decoded as long as you know the
Plain text
Lock
Key
Decrypt the statement " VXEZDB VDQGZLFKHV DUH WDVWB" using Ceasar Cipher shift 3
SUBWAY MEALS ARE BEST
SUBWAY SANDWICHES ARE GOOD
SUBWAY SANDWICHES ARE TASTY
Using Substitution Cipher, decrypt the given statement:
"QBZ QZ3 V3R 93FQ3RQUO RUL"
THE TEA WAS PREPARED BY ME
THE TEA WAS NOT TASTY
THE TEA WAS FANTASTIC SIR
