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