INFORMATION CODING SCHEME

the combination of 0s and 1s that represent characters defined by patterns.

ASCII

EBCIDIC

UNICODE

ADVANTAGES

only use 8 bits per characters

efficient for programming

takes less memories

DISADVANTAGES

.

represent small characters for only 256 characters

only cover English & Western European

PURPOSE

PURPOSE

uses 8 bits to represent characters

provides code for 256 characters

sufficient for English and Western European

use in mini computer,personal computer

represent 8 bits per character

represent 256 characters

uses in mainframe,high server

PURPOSE

ADVANTAGES

DISADVANTAGES

represent 16 bits per characters

represent 65536 characters

uses in OS (Windoows,Mac & Linux)

sufficient foe English and Western European

able to encode every possible characters,number and symbol

present worldwilde languages

huge numbers of characters

takes a lot of space

importance of coding scheme

allow programmer to built program such as websites and apps

to convert and represent data in its language