A common interface for external storage is: MCQ with Answer and Explanation

A common interface for external storage is:

A. PS/2

B. VGA

C. Parallel port

D. USB 3.2 or Thunderbolt

Answer: Option D

Fast data transfer.

This question belongs to: Computer Computer Hardware

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Question #1 Report Error

Which output device is used to produce hard copies of documents on paper?

A. Monitor

B. Projector

C. Speaker

D. Printer

Correct Answer: Option D

Explanation:
Printer produces physical copies (hard copies) of digital documents.

This question belongs to: Computer Computer Hardware

Question #2 Report Error

DDR4 is a type of:

A. RAM

B. Hard disk

C. Monitor

D. Processor

Correct Answer: Option A

Explanation:
DDR4 is a generation of Synchronous Dynamic RAM.

This question belongs to: Computer Computer Hardware

Question #3 Report Error

What does refresh rate indicate in monitors?

A. How many times screen is redrawn per second

B. Power consumption

C. Color depth

D. Number of pixels

Correct Answer: Option A

Explanation:
Measured in Hz, higher reduces flicker (e.g., 144Hz).

This question belongs to: Computer Computer Hardware