Unit 4 Review

A single on/off or 0/1 in a computer's transistor is known as a

• bit
• byte
• nibble
• hex

Which of the following is not a measure of the number of bytes in a computer?

• Zilobyte
• Kilobyte
• Megabyte
• Terabyte

The system which represents alpha-numeric data in a computers, such as A = 65 = 01000001 is called:

• ASCII
• Translator
• AARP
• NROTC

Which of the following is the base 16 number system?

• Hexadecimal
• Binary
• Decimal
• Octal

Representing a range of characters by some kind of conversion system, like ASCII, is called:

• Encoding
• Encrochment
• Encryption
• Translation

CTF stands for

• Capture the Flag
• Coding to Find
• Cyber Text Foundation
• Cybersecurity Team Fun

How many bits are there in a byte?

• 8
• 2
• 4
• 6

Scrambling data so that it is unreadable to anyone except those who know the trick to decoding it is...

• Cryptography
• Cybersecurity
• Coding
• Hieroglyphics

The data that has been encrypted is called...

• Ciphertext
• Algorithm
• Plaintext
• Code

This is a method of encryption in when the order of the letters is changed. Scytale cipher, in which a ribbon is wrapped around a cylinder is and example.

• Transposition
• Substitution
• Hieroglyphics
• Graphics