Multiple choice

How many flips flops are used to design the module-20 counter?

  1. 4-flips flop

  2. 5 flip-flop

  3. 20 flip- flop

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Each flp flop has two outputs , one for the normal value and the other giving the opposite value of what satae is stored . Therfore 5 flip flip are used.

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