Which device is used to convert digital signals to analog signals? MCQ with Answer and Explanation

Question

Share Report Error

Which device is used to convert digital signals to analog signals?

A. Modem

B. Router

C. Hub

D. Switch

Answer: Option A

Solution (By JKSSB Mock Tests)

A modem (modulator-demodulator) converts digital data to analog for transmission over telephone lines and vice versa.

This question belongs to: Computer Computer Fundamentals

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Computer Fundamentals Questions

Question #1

Which of the following is a characteristic of third-generation computers?

A. Used punch cards

B. Used vacuum tubes

C. Used magnetic drums

D. Used keyboards and monitors

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Third-generation computers introduced keyboards for input and monitors for output, along with integrated circuits.

This question belongs to: Computer Computer Fundamentals

Question #2

Which class of computing systems was historically nicknamed 'Big Iron' due to their massive structural scale, high security, and dominance in enterprise transaction networks?

A. Minicomputers

B. Supercomputers

C. Workstations

D. Mainframe Computers

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Mainframe computers are often called 'Big Iron' due to their vast infrastructure footprints and massive enterprise data-processing roles.

This question belongs to: Computer Computer Fundamentals

Question #3

What is the purpose of the interrupt mechanism?

A. To store data

B. To manage power

C. To increase clock speed

D. To pause execution and handle urgent events

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Interrupts allow the CPU to temporarily stop ongoing tasks to respond to high-priority events.

This question belongs to: Computer Computer Fundamentals

Explore All Computer Fundamentals MCQs