Sequential Circuits in Digital Logic : Practice MCQ Questions & Answers with Explanations

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Digital LogicEasySequential CircuitsFlip Flop J K Flip Flop

The IK Flip-flop is similar to the SR Flip-flop but there is no change in state when the J and K inputs are both _.

Low

Infinite

High

Same

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Correct Answer: A — Low

Explanation:

Explanation: The JK Flip-Flop Definition: A JK flip-flop is a type of digital storage element (or bistable multivibrator) that can operate in various modes, such as set, reset, toggle, or no change, depending on the states of its inputs (J and K) and the clock pulse. It is similar to the SR (Set-Reset) flip-flop but resolves the ambiguity when both inputs are high. The JK flip-flop is widely used in digital circuits due to its versatility and ability to handle the "race condition" present in SR flip-flops.

Digital LogicEasySequential CircuitsFlip Flop

A flip-flop can store:

One bit of data

Two bits of data

Three bits of data

Any number of bits of data

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Correct Answer: A — One bit of data

Explanation:

The correct answer is One bit of data. Key Points A flip-flop is a basic digital memory circuit, also known as a bistable multivibrator. It has two stable states, which can be used to store binary information. Each flip-flop can store exactly one bit of data, representing either a 0 or a 1.