WorksheetsCryptography Quiz
Total questions: 15
Worksheet time: 7mins
What does encryption do to a message?
Makes it shorter
Changes it into a secret code
Translates it into another language
Deletes it
What is decryption?
Turning a secret code back into the original message
Making a message longer
Writing a message in a different language
Erasing a message
In the example given, what is the encrypted message for "HELLO" with shift key 3?
HULLO
KHOOR
HILLO
HALLO
What is the Caesar cipher?
A method to write poems
A simple way to encrypt messages by shifting letters
A way to draw pictures
A method to count numbers
How does the Caesar cipher work?
By changing the color of the letters
By shifting each letter in the alphabet by a certain number of places
By making the letters bold
By writing the message backwards
What is the first step in using the Caesar cipher?
Choose a color
Choose a shift number
Choose a font
Choose a language
What happens to each letter in a message when using the Caesar cipher?
It is deleted
It is moved forward by the shift number
It is turned upside down
It is made larger
What does the Caesar cipher shift?
Words
Sentences
Letters
Paragraphs
What is the result of decryption?
A longer message
The original message
A colorful message
A shorter message
What is the purpose of changing the message in cryptography?
To make it more interesting
So only your friend knows how to read it
To make it longer
To make it rhyme
Decrypt this message with a shift of 2: FGR.
EFP
DOG
EDO
DFP
Why is cryptography important in everyday life?
It helps in cooking recipes.
It protects online passwords.
It is used for painting.
It helps in gardening.
Ashely sends a message to her friend Alice, which the Hacker intercepts and modifies before it reaches Alice. Is this secure communication?
Yes
No
Ashley encrypts her message (which the Hacker cannot understand)and sends it to her friend Alice ,who is able to decrypt and read the message. Is this communication secure?
Yes
No
