Digital Electronics Interview Questions and Answers

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Ques 36. 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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Ques 37. 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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Ques 38. 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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