Multiple choice

Flip flop circuits can be used for

  1. scaling

  2. rectification

  3. modulation

  4. counting
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Flip-flops are fundamental memory elements in digital circuits. When properly connected and clocked, they can count pulses or events by changing state in a predetermined sequence. This makes them essential building blocks for counters, unlike scaling, rectification, or modulation which are analog operations.

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