Explain the various components of ICT, namely computer hardware, compu

Question

Explain the various components of ICT, namely computer hardware, computer software, Local Area Network, Wide Area Network, and satellite.

25 Aug 2021

Answer :

Word Count : 917

HARDWARE

Input devices allow us to enter raw data into a computer. The computer processes the data and then produces outputs that we can understand using an output device. Input devices can be manual or automatic. The processing is mainly handled by the Central Processing Unit (CPU).

Manual input devices

The most common manual input devices are the keyboard and mouse. Other manual input devices include:

Concept keyboard - Each button on a concept keyboard relates to a particular item or function. Buttons can be labelled with text or a picture. Fast food restaurants often use concept keyboards because very little training is needed to operate them and they're efficient - a single button can order an entire meal.

Trackball- Used as an alternative to a mouse. To operate it the user rotates the ball which moves the pointer on screen. They are particularly easy to use for those with ______ ______ _________ _____ ____ ____ ________ _________ _______ ____.
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