2.2 Number System And Representation

2.2.1 BINARY NUMBERING SYSTEM

2.2.3 CONVERSION BETWEEN BINARY AND HEXADECIMAL

2.2.2 HEXADECIMAL NUMBERING SYSTEM

To present numbers

Perform maths calculation

Represent all numbers using just two symbols (0 and 1)

Advantages of using binary numbers rather than decimal numbers in a computer system

Shorthand method

Bit 0 and 1 can easily represent on and off

Uses fewer arithmetic rules

Binary code number is a machine language that a computer can understand

Group binary digits into units of four (i.e D44E)

Representing the binary digits stored in a computer

Decimal to hexadecimal

Hexadecimal to decimal

Decimal to binary

Binary to hexadecimal

Binary to decimal

Hexadecimal to binary