Computer Hardware MCQ Questions & Answers

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Each section contains 100 MCQs on Computer Hardware .

What action will correct patchy, faint, uneven or intermittent print on a dot matrix printer?

A) Replacing the ribbon B) Replacing the timing belt C) Adjusting the paper feed tension D) Adjusting the tractor feed tension E) None of the above

Discuss

Answer & Solution

Answer: Option A

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

If the voltage on pin 1 of the power supply is not in the range of _____ volts, the PC will not boot.

A) Oct-20 B) 01-May C) 50 - 110 D) 15 - 25 E) 2.5 - 5

Discuss

Answer & Solution

Answer: Option E

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

What are the most likely conditions for ESD?

A) Hot and dry B) Hot and wet C) Cold and dry D) Cold and wet E) None of the above

Discuss

Answer & Solution

Answer: Option B

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

What is the i/o address for com3?

A) 3e8 B) 345 C) ff8 D) 5.00E+08 E) be8

Discuss

Answer & Solution

Answer: Option A

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

The following process determines the amount of memory present, the date/ time, and which communications ports and display adapters are installed in a microcomputer?

A) Start-up utility test B) Power on Self Test C) Power up boot process D) Power on start up process E) None of the above

Discuss

Answer & Solution

Answer: Option B

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

In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory.

A) Last 64k of conventional B) Last 64k of extended C) First 64k above conventional D) First 64k of extended E) None of the above

Discuss

Answer & Solution

Answer: Option D

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

In addition to I/O port addresses, SCSI adapters also use a range of ROM addresses for their onboard BIOS.

A) True B) FALSE C) 9 pin female port D) 25 pin male port E) None of the above

Discuss

Answer & Solution

Answer: Option A

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

COM1 is typically represented by which of the following?

A) 15 pin port B) 9 pin male port C) 9 pin female port D) 25 pin male port E) None of the above

Discuss

Answer & Solution

Answer: Option B

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

A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?

A) l0Mhz B) 25Mhz C) 50Mhz D) 100 Mhz E) None of the above

Discuss

Answer & Solution

Answer: Option B

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

A capacitor is measured in which of the following units?

A) Volts B) Ohms C) Farads D) Resistance E) None of the above

Discuss

Answer & Solution

Answer: Option C

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

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Computer Hardware MCQ Questions & Answers | Computer Science