Computer Hardware MCQs
Practice Computer Hardware MCQs with answers and detailed explanations covering input devices, output devices, scanners, printers, keyboards, monitors and computer hardware components frequently asked in competitive examinations.
Question #31
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EEPROM stands for:
Correct Answer: Option C
Explanation:
EEPROM is a type of non-volatile memory that can be electrically erased and reprogrammed.
EEPROM is a type of non-volatile memory that can be electrically erased and reprogrammed.
This question belongs to:
Computer
Computer Hardware
Question #32
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Which printer is impact-based and noisy?
Correct Answer: Option D
Explanation:
Dot matrix printers use impact technology creating noise.
Dot matrix printers use impact technology creating noise.
This question belongs to:
Computer
Computer Hardware
Question #33
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The speed of a processor is measured in:
Correct Answer: Option B
Explanation:
Clock speed of CPU is measured in GHz (gigahertz).
Clock speed of CPU is measured in GHz (gigahertz).
This question belongs to:
Computer
Computer Hardware
Question #34
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What is the primary use of a digitizer tablet?
Correct Answer: Option B
Explanation:
Digitizer or graphics tablet is used for precise digital drawing.
Digitizer or graphics tablet is used for precise digital drawing.
This question belongs to:
Computer
Computer Hardware
Question #35
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Which of the following is a volatile storage device?
Correct Answer: Option B
Explanation:
RAM loses data without power.
RAM loses data without power.
This question belongs to:
Computer
Computer Hardware
Question #36
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OLED monitors are known for:
Correct Answer: Option C
Explanation:
OLED provides better blacks and thinner panels.
OLED provides better blacks and thinner panels.
This question belongs to:
Computer
Computer Hardware
Question #37
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What does MICR stand for in banking hardware?
Correct Answer: Option D
Explanation:
MICR is used in cheque processing.
MICR is used in cheque processing.
This question belongs to:
Computer
Computer Hardware
Question #38
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The brain of the computer is:
Correct Answer: Option C
Explanation:
CPU processes all instructions.
CPU processes all instructions.
This question belongs to:
Computer
Computer Hardware
Question #39
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Which device uses toner for printing?
Correct Answer: Option B
Explanation:
Laser printers use toner powder.
Laser printers use toner powder.
This question belongs to:
Computer
Computer Hardware
Question #40
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What is the purpose of heat sink in computer hardware?
Correct Answer: Option B
Explanation:
Heat sinks prevent overheating of processors.
Heat sinks prevent overheating of processors.
This question belongs to:
Computer
Computer Hardware
