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Home / Interview Subjects / Digital Electronics
WithoutBook LIVE Mock Interviews Digital Electronics Related interview subjects: 12

Interview Questions and Answers

Know the top Digital Electronics interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Total 38 questions Interview Questions and Answers

The Best LIVE Mock Interview - You should go through before interview

Know the top Digital Electronics interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Interview Questions and Answers

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Freshers / Beginner level questions & answers

Ques 13

Define the term 'edge-triggered' in the context of flip-flops.

Edge-triggered flip-flops change state only on the rising or falling edge of the clock signal, providing synchronization and stability.
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Intermediate / 1 to 5 years experienced level questions & answers

Ques 28

Differentiate between a latch and a flip-flop.

Latches are level-sensitive and can change output state as long as the clock input is active. Flip-flops are edge-sensitive and change state only on the rising or falling edge of the clock signal.
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Ques 29

What is the significance of Gray code in digital systems?

Gray code is a binary numeral system where two successive values differ in only one bit. It is used in applications where a single bit change should result in a small change in the system state.
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Ques 30

Explain the operation of a 4-bit binary ripple counter.

A 4-bit binary ripple counter consists of four flip-flops, each toggling on the falling edge of the previous flip-flop's output. The output forms a binary count sequence.
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Ques 31

What is the purpose of a digital multiplexer in communication systems?

In communication systems, a digital multiplexer combines multiple input signals into a single output signal for transmission over a shared medium.
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Ques 32

What is the role of a digital comparator in microprocessor applications?

In microprocessor applications, a digital comparator is used to compare two binary numbers and determine their relationship, such as equality or magnitude.
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Experienced / Expert level questions & answers

Ques 37

Explain the concept of race-around condition in a JK flip-flop.

A race-around condition occurs when both inputs (J and K) of a JK flip-flop are high, causing the flip-flop to toggle continuously. To avoid this, one should be inverted or connected to the complement of the other.
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Ques 38

Explain the working principle of an asynchronous counter.

An asynchronous counter does not use a common clock signal for all flip-flops. Instead, each flip-flop has its own clock input, resulting in a more flexible counting sequence.
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