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

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What technology is used in most modern keyboards to detect key presses?

A. Capacitive sensing

B. Mechanical switches

C. Optical sensors

D. Membrane technology

Answer: Option D

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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