Multiple choice general knowledge science & technology

Which of the following circuit is used as a 'Memory device' in computers?

  1. Rectifier

  2. Flip-Flop

  3. Comparator

  4. Attenuator
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A flip-flop is a bistable multivibrator circuit that can store one bit of binary information (0 or 1) and is the fundamental building block of memory systems. Rectifiers convert AC to DC, comparators compare voltages, and attenuators reduce signal power - none store data.

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