Topic 5.3 - Units of Information (bits)

Question 1

What is the bit?

Answer 1

The bit is the fundamental unit of information
It is either 0 or 1

Question 2

What is a group of 8 bits called?

Answer 2

A byte

Question 3

What is the range of possible outcomes if we are given ‘n’ amount of bits

Answer 3

2^n

E.G. 3 bits => 2^3 = 8 outcomes

Question 4

What is the symbol & corresponding power for a Kibibyte

Answer 4

Kibi, Ki, 2 ^ 10

Question 5

What is the symbol & corresponding power for a Mebibyte

Answer 5

Mebi, Mi, 2 ^ 20

Question 6

What is the symbol & corresponding power for a Gibibyte

Answer 6

Gibi, Gi, 2 ^ 30

Question 7

What is the symbol & corresponding power for a Tebibyte

Answer 7

Tebi, Ti, 2 ^ 40

Question 8

What is the symbol & corresponding power for a Kilobyte

Answer 8

Kilo, K, 10 ^ 3

Question 9

What is the symbol & corresponding power for a Megabyte

Answer 9

Mega, M, 10 ^ 6

Question 10

What is the symbol & corresponding power for a Gigabyte

Answer 10

Giga, G, 10 ^ 9

Question 11

What is the symbol & corresponding power for a Terabyte

Answer 11

Tera, T, 10 ^ 12