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

• Megabyte

• Kilobyte

• Terabyte

The system which represents alpha-numeric data in a computer, 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

• Encryption

• Translation

• Enrichment

CTF stands for

• Capture the Flag

• Coding to Find

• Cyber Text Foundation

• Cybersecurity Team Fun

How many bits are there in a byte?

• 8

• 4

• 2

• 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 an example.

• Transposition

• Substitution

• Hieroglyphics

• Graphics