Computing Revision

Who was the first know user of the Caesar Cipher?

• Caesar Romanus

• Julius Caesar

• Alan Turing

• There isn't one

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

In Cryptography, original message, before being transformed, is called

• Simple Text

• Plain Text

• Cipher Text

• Filled Text

The process of converting a ciphertext into plaintext.

• encryption

• decryption

• plaintext

• cryptography

Encrypt the word alphabet using a Caesar cipher with a shift of 3

• DVSDULQV

• DOOFOHDU

• DOSKDEHW

• DORQHBHV

The _______ is a number or a set of numbers on which the cipher operates.

• secret

• cipher

• key

• none of the mentioned

Study of letters or groups of letters contained in a ciphertext in an attempt to partially reveal the message is called:

• Frequency analysis

• Cryptography

• Encription

• Decription

Which tool puts text on top of the image?

• Spot Healing Brush
• Content Aware Move
• History Brush
• Type Tool

These are your...

• Photoshop stuff

• Drawings

• Layers

• Pictures

What is this tool called?

• Quick Selection Tool

• Rectangular Marquee Tool

• Lasso Tool

• Move Tool

What is this tool called?

• Magic Wand Tool

• Quick Selection Tool

• Move Tool

• Lasso Tool