Which component has direct memory access (DMA)? MCQ with Answer and Explanation

Question Report Error

Which component has direct memory access (DMA)?

A. Keyboard

B. Hard disk controller

C. Monitor

D. Speaker

Answer: Option B

Solution (By JKExamLibrary)

DMA allows devices to access memory without CPU.

This question belongs to: Computer Computer Hardware

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The term 'throttling' in CPU refers to:

A. Increasing speed

B. Formatting

C. Connecting devices

D. Reducing speed to prevent overheating

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Correct Answer: Option D

Explanation:
Thermal throttling protects hardware.

This question belongs to: Computer Computer Hardware

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A common input for POS systems is:

A. Standard keyboard

B. Joystick

C. Mouse only

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This question belongs to: Computer Computer Hardware

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The address bus width determines:

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Correct Answer: Option C

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