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