Loading…
GCSE Computer Science · key term
The number of different digits available in a number system, including zero. Each place value is the base times the place value immediately to its right.
Used by AQA
Paper 2
Revise: Decimal, Binary, and HexadecimalThe base tells us how many different digits are available, including zero. Decimal has ten digits, binary has two and hexadecimal has sixteen.
The number of different digits available in a number system. It determines how place values increase from right to left.
Identify the base before interpreting a number: the same written digits can represent different values in different bases.
For whole numbers, the rightmost place value is always 1. Moving left, multiply each place value by the base.
State the number base clearly: 10 in hexadecimal has the value 16 in decimal.
Create a free account to keep every note you open and track your progress.
