Logic Design Interview Questions

95 logic design interview questions shared by candidates

ff structure description with most detatils you can. it was kind of deep solution so I needed to understand all the pd considerations and et. was very very interesting. priority encoder questions and planning questions that I was aware of from my university studies.
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Logic Design Engineer

Interviewed at IBM

3.9
Jun 1, 2025

ff structure description with most detatils you can. it was kind of deep solution so I needed to understand all the pd considerations and et. was very very interesting. priority encoder questions and planning questions that I was aware of from my university studies.

You need to design a logic system with input of a stream of bits and it needs to detect a known chunk of bits, e.g. '1000'. First, implement a naive system. What are the inputs and outputs? Which logic gates, modules and blocks do you need? Analyze it with respect to timing, efficiency, hardware usage, etc. Second, try to come up with a more efficient implementation. Analyze it again. Compare the two implementations.
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Logic Design Engineer

Interviewed at Cisco

4.1
Jun 6, 2025

You need to design a logic system with input of a stream of bits and it needs to detect a known chunk of bits, e.g. '1000'. First, implement a naive system. What are the inputs and outputs? Which logic gates, modules and blocks do you need? Analyze it with respect to timing, efficiency, hardware usage, etc. Second, try to come up with a more efficient implementation. Analyze it again. Compare the two implementations.

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