Design Engineer Interview Questions

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The Bridge and Lantern Riddle Four people need to cross a narrow, dark bridge. They only have one lantern, and the bridge can hold a maximum of two people at a time. Any pair crossing must move at the speed of the slower person in the pair. The crossing times for the people are as follows: Person A - takes 1 minute to cross Person B - takes 2 minutes to cross Person C - takes 9 minutes to cross Person D - takes 10 minutes to cross The goal is for all four to cross the bridge in 17 minutes.
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Chip Verification/Design Engineer

Interviewed at NVIDIA

4.5
Dec 21, 2025

The Bridge and Lantern Riddle Four people need to cross a narrow, dark bridge. They only have one lantern, and the bridge can hold a maximum of two people at a time. Any pair crossing must move at the speed of the slower person in the pair. The crossing times for the people are as follows: Person A - takes 1 minute to cross Person B - takes 2 minutes to cross Person C - takes 9 minutes to cross Person D - takes 10 minutes to cross The goal is for all four to cross the bridge in 17 minutes.

Suppose there are two inverters connected back to back. Both are working in 3V domain. What is the output if the input is given as 0V. For the same back to back inverters, if both of them are connected back to back and if both of them are working in 3V domain and if the input is 0V. what is the output.
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Design Engineer

Interviewed at Microchip Technology

3.6
Jun 22, 2018

Suppose there are two inverters connected back to back. Both are working in 3V domain. What is the output if the input is given as 0V. For the same back to back inverters, if both of them are connected back to back and if both of them are working in 3V domain and if the input is 0V. what is the output.

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