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1.3 Information Coding Scheme - Coggle Diagram
1.3 Information Coding Scheme
Definition
Combination of 0 and 1 that represents a character are define by patterns
Extended ASCII
America
Standard
Code for
Information
Interchange
uses 8 bits to represent a character
represents a total of 256 characters
Advantages & Disadvantages
Advantage: uses less storage space and memory because it only uses 8 bits per character
Disadavantage:
Limited character because it can only represent 256 character
EBCDIC
uses 8 bits to represent a character
represent a total of 256 characters
Extended
Binary
Coded
Decimal
Interchange
Code
Developed by IBM and primarily used on IBM mainframes and high end servers
Advantages & Disadvantages
Advantage: uses less storage space and memory because it only uses 8 bits per character
Disadvantage: Limited characters because it only represent 256 characters
Unicode
Universal Character encoding standard for the representation of text which includes letters, numbers and in multi- lingual environment
Uses 16 bits to represent a character
Represents 65536 characters
Implemented in several OS ( Windows, Mac OS & Linux)
Advantages: Unicode can use many language including historical languages because it can represent 65536 characters
Disadvantage: uses a lot of storage space and memory because it uses 16 bits per character