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(1.3) Information Coding Scheme - Coggle Diagram
(1.3) Information Coding Scheme
Meaning
the
combinations of 0 and 1
that represent as characters are defined by patterns
Type of Coding Scheme
:
Extended Binary Coded
Decimal Interchange Code
EBCDIC
:check: use
english and western european language
:check: provides
256 characters
:check: use
8 bits
to represent
a character
:check: midrange system (IBM)
:check: high-end servers
Unicode
:check: use
16 bits
to represents a character
:check: use
world's current language
classic and
historical languages
.
:check: universal character encoding standard for
representation of text and symbol
in multi-lingual environments
:check:provide
65536
characters
:check: Operating system such as linux , mac os
American Standard Code for Information Interchange
ASCII
:check: use
english and western european language
:check: use
8 bits
to represent a character
:check: provides
256
characters
:check: minicomputer
:check:computer
Importance of coding schemes
:check: minimize the storage space required for data representation
:check: ensure the data is categorized consistently , reducing the likehood of errors and biases
Disadvantages of coding scheme :
:check: use a lot of memory when using unicode
:check: meaning of data can be obscured