What technology is used in most modern keyboards to detect key presses? MCQ with Answer and Explanation

What technology is used in most modern keyboards to detect key presses?
A. Mechanical switches
B. Capacitive sensing
C. Membrane technology
D. Optical sensors
Answer: Option C
Solution (By JKSSB Mock Tests)
Membrane keyboards are common in standard office setups due to affordability, though mechanical are also popular.

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Practice More Computer Hardware Questions

Question #1
Which hardware is used for 3D scanning?
A. Laser printer
B. Inkjet printer
C. Standard flatbed scanner
D. Specialized 3D scanners

Correct Answer: Option D


Explanation:
3D scanners create digital models of objects.

This question belongs to: Computer Computer Hardware
Question #2
What is a key benefit of unified memory architecture?
A. Higher cost
B. Slower performance
C. Shared memory between CPU and GPU
D. Separate always

Correct Answer: Option C


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Used in some integrated systems.

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Question #3
What is the significance of 'nanometer' process in CPU?
A. Smaller size leads to efficiency and performance
B. Larger size better
C. No relation
D. For monitors only

Correct Answer: Option A


Explanation:
Like 5nm, 7nm technology nodes.

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