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1.1 The meaning of Information

Communication Technology

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Definition

• New digital technology used for communication.• Technology used to communicate required

information at the right place & time by means of communication media.

• Information communication technology is a diverse mixture of technology tools & recourses to create, differentiate, store, bring value addition & manage information for communication.

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Types & modes of communication system

Types

Video media Audio media Audio-video media

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Video media Projective Non-projective• Picture story Book• Puppets Daily newspaper• Mute films Weekly • Photo fax Magazine• Physical tools Post/ Telegraph

FaxPager

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Audio media

• Radio • Tape-recorder• Telephone• Mobile phone• Audio CD• Voice Mail

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Audio-Video Media

• Television • Films • VCD• Video Phone• Computer• Internet• Teleconferencing

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ICT includ

es

Process on raw facts

& transfer it in useful informationReproce

ss data & use it

for many

purpose

Computer

technology is center of ICT

Transform

information to learn easily

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Components of ICT

People

Procedure

Hardware

Software

Communicati

on

Information