Back to the Future L5

What is a message called before it is encrypted?

• Ciphertext

• Plaintext

• Encryption

• Decryption

Which term describes converting a message to something that cannot be understood?

• Decryption

• Cracking

• Encryption

• Searching

What is the process of converting ciphertext back to plaintext with the key?

• Cracking

• Sorting

• Decryption

• Encryption

What is a logical rule where both inputs need to be TRUE for the output to be TRUE?

• OR

• NOT

• AND

• XOR

Which type of algorithm is used to put data in order?

• Searching

• Sorting

• Cracking

• Encrypting

What is a device that is able to perform calculations called?

• Software

• Hardware

• Computer

• Algorithm

What is software?

• Sets of instructions to perform tasks

• The devices that are controlled by software

• A device which is able to perform calculations

• A person who writes computer code

What is hardware?

• Sets of instructions to perform tasks

• The devices that are controlled by software

• A device which is able to perform calculations

• A person who writes computer code

What are sets of instructions to perform tasks called?

• Hardware

• Software

• Algorithms

• Logic gates

What is a diagram that represents a logical rule called?

• Algorithm

• Logic gate

• Software

• Hardware