Flip-Flops Questions with Answers | Digital Electronics MCQ | Page 7

Flip-Flops are the fundamental building blocks of sequential logic circuits used in counters, memory, and data storage. This topic presents digital electronics aptitude questions and answers covering SR, JK, D, and T flip-flops with detailed explanations. Essential for GATE, DRDO, and BEL exam preparation, these MCQs help learners understand timing diagrams, truth tables, and applications in system design. By practicing these Flip-Flops questions with answers, you can master one of the most scoring areas in electronics and digital logic design.

Showing 10 of 64 questions

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Q61

The pulse width of a one-shot circuit is determined by ________.

A a resistor and capacitor
B two resistors
C two capacitors
D none of the above

Answer: Option A

Q62

For an S-R flip-flop to be set or reset, the respective input must be:

A installed with steering diodes
B in parallel with a limiting resistor
C LOW
D HIGH

Answer: Option D

Q63

If both inputs of an S-R flip-flop are LOW, what will happen when the clock goes high?

A No change will occur in the output.
B An invalid state will exist.
C The output will toggle.
D The output will reset.

Answer: Option A

Q64

Four J-K flip-flops are cascaded with their J-K inputs tied HIGH. If the input frequency (fin) to the first flip-flop is 32 kHz, the output frequency (fout) is ________.

A 1 kHz
B 2 kHz
C 4 kHz
D 16 kHz

Answer: Option B

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Flips-Flops Questions and Answers

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Flips-Flops Questions and Answers

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Digital Electronics

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