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Computers have become a useful part of our Computers have become a useful part of our everyday lives. The types of computers we use at everyday lives. The types of computers we use at home or at work are referred to by varied names home or at work are referred to by varied names such as PCs, microcomputers, workstations, laptops such as PCs, microcomputers, workstations, laptops and desktops. These computers are most popularly and desktops. These computers are most popularly referred to as “personal computers” or PCs, the referred to as “personal computers” or PCs, the most common type of computer in the world.most common type of computer in the world.

Today, an average person uses computer-based Today, an average person uses computer-based assistance several times each day and it becomes assistance several times each day and it becomes an integral part of our lives. So it is very important to an integral part of our lives. So it is very important to be aware of and understand them.be aware of and understand them.

A COMPUTER is an electronic machine that can store and work with large amounts of information. One that computes; specifically: a programmable usuallyelectronic device that can store, retrieve, andProcess data.

Parts of a Typical ComputerSystem Unit

Monitor

Keyboard Mouse

Printer

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Multiple Choice: 1.The main part of the computer system?

A. mouse B. keyboardC. system unit D. printer

2. Displays information in visual form, using text and graphics. A. printer B. system unitC. monitor D. mouse

3. A device that prints text or illustrations on paper. A. Printer B. mouseC. system unit D. monitor

4. The most common 'pointing device' used in PCs. A. Printer B. mouseC. system unit D. monitor

5. The first input device developed for the PC.A. mouseB. keyboardC. system unit D. printer

MODIFIED TRUE OR FALSE;1.KEYBOARD is most common 'pointing device' used in PCs. 2.The main part of the computer system is the MONITOR.3.Monitor displays information in visual form, using text and graphics. 4.Keyboard is the first input device developed for the PC.5.MOUSE is a device that prints text or illustrations on paper.

Correct!Next

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C. System Unit

BACK

C. Monitor

Back

A. Printer

B. MouseBack

B. KeyboardBack

False:Mouse

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False:System Unit

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False:Printer

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