An electronic vehicle dashboard speedometer that continuously reads wheel rotation speeds and renders them via an analog needle dial is a/an: MCQ with Answer and Explanation

An electronic vehicle dashboard speedometer that continuously reads wheel rotation speeds and renders them via an analog needle dial is a/an:

A. Mainframe Interface

B. Analog Device

C. Digital Computer

D. Hybrid Computer

Answer: Option B

Devices that measure continuous physical movement or voltage variations without digitizing them into binary numbers are analog systems.

This question belongs to: Computer Computer Fundamentals

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Question #1 Report Error

What is the function of the address bus?

A. Carries data

B. Carries power

C. Carries control signals

D. Carries memory addresses

Correct Answer: Option D

Explanation:
The address bus carries the address of the memory location being accessed.

This question belongs to: Computer Computer Fundamentals

Question #2 Report Error

Which of the following is an example of an output device for sound?

A. Speaker

B. Microphone

C. Headphone jack

D. Sound card

Correct Answer: Option A

Explanation:
A speaker outputs audio signals.

This question belongs to: Computer Computer Fundamentals

Question #3 Report Error

Which of the following is a characteristic of a supercomputer?

A. Used for general-purpose tasks

B. Low cost

C. Has very high processing speed

D. Small size

Correct Answer: Option C

Explanation:
Supercomputers are known for their extremely high processing speeds.

This question belongs to: Computer Computer Fundamentals