2.1.9 Define the terms: bit, byte, binary, denary/decimal and hexadecimal


Bit-Computers use binary - the digits 0 and 1 to store data. Is the smallest unit of data in computing. It is represented by a 0 or a 1.

Byte- A group of 8 bits  is called a byte.

Binary- Based on 2 systems and there are 2 symbols 0 ,1

Decimal-10 Based system. uses symbols 0 ... 9

Hexadecimal- 16 based system uses symbols 0....9 A,B,C,D,E,F (10,11,12,13,14,15)