ICTLFORM 1

PREPARED BY: PN NOR AISAH BINTI MOHAMMAD YUSOF

COMPUTER HARDWARE

COMPUTER PARTS AND

COMPONENTS OVERVIEW OF THE COMPUTER SYSTEM

MAIN COMPUTER SYSTEM

DATA PROCESSING CYCLE

ACTIVITY

CONCLUSION

MONITOR

SPEAKER

KEYBOARD

SYSTEM UNIT

MOUSE

MAIN COMPUTER SYSTEM

MONITOR

A computer monitor is like a television monitor that displays images. The different types of display screens are:

Standard television set

An ordinary home television that can be used for computer output.

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Standard computer monitors

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These monitors have better resolution than TV monitors.

Liquid Crystal Displays (LCD)

These screens are made up of two glass plates with liquid crystals in between.

KEYBOARD

MULTIMEDIA KEYBOARD

WIRELESS KEYBOARD

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The keyboard is the main input device for text and commands. The computer keyboard uses the same key arrangement as typewriters, containing standard function keys such as “ Cursor movement and Control keys”.

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Keyboards come with three (3) different types of ports such as:

SERIAL PORT USB PORT PS/2 PORT

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SPEAKER

Computer speakers give out information in the form of sound. These speakers range in quality and price. Computer speakers are typically packaged with computer systems in small plastic boxes with average sound quality.

MOUSE

PS/2 PORT MOUSE

USB PORT OPTICAL MOUSE

CORDLESS OPTICAL MOUSE

SYSTEM UNIT

A system unit, also known as a base unit. It is the main body of a desktop computer. It consists of a metal or fibre enclosure containing the motherboard, power supply, cooling fans, internal disk drives, memory modules and expansion cards that are plugged into the motherboard, such as video and network cards.

DATA PROCESSING CYCLE

INPUT PROCESS OUTPUT

STORAGE

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EXERCISE