4.5.2 FoDR (Number Bases)

Question 1

What is a number base

Answer 1

An indication of how many different digits are available when using a number system

Question 2

What are the three main number bases

Answer 2

• 2 (binary)
• 10 (Decimal)
• 16 (Hexadecimal (0-9, A-F))

Question 3

What does the subscript of a number represent

Answer 3

The base of the number

Question 4

What is Hexadecimal and why is it used as a shorthand for binary

Answer 4

Base-16,
- Represents 0-15 in one character
- Represents larger numbers with less digits
- Easier for humans to understand and read
- Less prone to error than decimal and binary