MadeEasy TestSeries-2019

Question

In the given Synchronous counter circuit, initially, all the flip-flop outputs are ‘0’. it is required to replace FF2 with A-B Flip-Flop. The A-B flip-flop excitation table is given below. the FF2 inputs are?

The answer given  is A=Q1’  B=Q1’

This is how I approached the above question.

Comments

Please add Test series name

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@syncronizing

it means, provide the test series name in the title, but it doesn't mean change the title to from which concept it is

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@ Shaik Masthan
Apologies for the inconvenience, thanks for clearing my doubt.