Computer Hardware MCQ Questions & Answers

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Each section contains 100 MCQs on Computer Hardware .

Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?

A) reverse vacuum B) any small vacuum device C) blow real hard on the system board D) use a lint-free cloth and wipe gently E) non-static compressed air

Discuss

Answer & Solution

Answer: Option E

No explanation is given for this question. Let's Discuss on Board

A parity error usually indicates a problem with:

A) memory B) hard drive C) hard drive controller D) I/O controller E) power supply

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is the i/o address for com1?

A) 3e8 B) 3bc C) 5f8 D) 3f8 E) 8

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The monitor power LED is 'on' but the monitor screen is completely dark. The least likely cause of the problem is:

A) Defect in the computers video circuitry B) Disconnected video cable C) Defective monitor D) System RAM problem E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?

A) as a master B) as a secondary C) as a slave D) as a primary E) as auto-select

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is your first action when windows reports that your hard drive is developing bad sectors?

A) replace the hard drive B) run secclean from dos C) run defrag on the hard drive D) run scandisk with the "thorough" option E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In laser technology, what happens during the transfer stage?

A) Residual toner is transferred to the waste receptacle B) The laser transfers the image from the drum to the paper. C) The image is transferred from the drum to the paper D) A negative charge is transferred to the surface of the drum E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

How many IRQs does a chain of USB devices require?

A) 1 B) 2 C) 3 D) 4 E) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Resistance is measured in units of:

A) ohms B) farads C) helids D) amperes E) volts

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which provides the fastest data access time?

A) RAM B) ROM C) CD-ROM D) Hard disk E) Floppy disk

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Computer Hardware MCQ Questions & Answers | Computer Science