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 #41
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A trackball is a type of:
Correct Answer: Option A
Explanation:
Trackball is an alternative to mouse for pointing.
Trackball is an alternative to mouse for pointing.
This question belongs to:
Computer
Computer Hardware
Question #42
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Which component is also known as the primary memory?
Correct Answer: Option D
Explanation:
RAM is the main or primary memory.
RAM is the main or primary memory.
This question belongs to:
Computer
Computer Hardware
Question #43
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What is the full form of VGA?
Correct Answer: Option B
Explanation:
VGA is a standard for video display connectors.
VGA is a standard for video display connectors.
This question belongs to:
Computer
Computer Hardware
Question #44
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Which of the following is used for biometric input?
Correct Answer: Option B
Explanation:
Fingerprint scanners are biometric input devices.
Fingerprint scanners are biometric input devices.
This question belongs to:
Computer
Computer Hardware
Question #45
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SMPS stands for:
Correct Answer: Option C
Explanation:
SMPS converts AC to DC power for computer components.
SMPS converts AC to DC power for computer components.
This question belongs to:
Computer
Computer Hardware
Question #46
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Which output device is commonly used in presentations?
Correct Answer: Option D
Explanation:
Projectors display computer output on large screens.
Projectors display computer output on large screens.
This question belongs to:
Computer
Computer Hardware
Question #47
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What is the main advantage of SSD over HDD?
Correct Answer: Option A
Explanation:
SSDs are faster and more durable due to lack of mechanical parts.
SSDs are faster and more durable due to lack of mechanical parts.
This question belongs to:
Computer
Computer Hardware
Question #48
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OCR stands for:
Correct Answer: Option C
Explanation:
OCR converts scanned text images into editable text.
OCR converts scanned text images into editable text.
This question belongs to:
Computer
Computer Hardware
Question #49
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The expansion slot used for graphics cards is typically:
Correct Answer: Option D
Explanation:
PCIe (PCI Express) is the modern standard for graphics cards.
PCIe (PCI Express) is the modern standard for graphics cards.
This question belongs to:
Computer
Computer Hardware
Question #50
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Which keyboard layout is most commonly used in India?
Correct Answer: Option B
Explanation:
QWERTY is the standard keyboard layout.
QWERTY is the standard keyboard layout.
This question belongs to:
Computer
Computer Hardware
