1.1 Binary

Question 1

What is a ‘bit’?

Answer 1

A single binary digit, it is the basic digit in computing and digital communication. It can only have two values, on or off, represented as 1 or 0.

Question 2

What is a ‘nibble’?

Answer 2

half a byte. A nibble contains 4 bits. there are 16 possible values, so a nibble can hold a single hexadecimal digit.

Question 3

What is a ‘byte’?

Answer 3

A unit of digital information consisting of 8 bits, the number of bits required to encode a single character of text.

Question 4

What is a ‘kilobyte’?

Answer 4

2^10 (or 1,000 bytes)

Question 5

What is a ‘megabyte’?

Answer 5

2^20 (or 1,000 kilobytes)

Question 6

What is a ‘gigabyte’?

Answer 6

2^30 (or 1,000 megabytes)

Question 7

What is a ‘terabyte’?

Answer 7

2^40 (or 1,000 gigabytes)

Question 8

What is ‘base 2’?

Answer 8

It is the Binary number system. The base determines how many digits are used

Question 9

What is ‘base 10’?

Answer 9

The Decimal number system, it uses 10 digits. The base determines how many digits are used.