They asked ASIC design questions.
Hardware Manager Interview Questions
5,136 hardware manager interview questions shared by candidates
Electromagnetic theory, RF engineering, Antenna Design, Antenna testing procedures etc.
For me, the most difficult part was answering why I wanted to come back.
Two puzzles were asked. Stack and Queue basic
A logic puzzle to be solved using k-maps. Had to answer some questions regarding integers/fixed point/floating point. Had to make a verilog module that rounded a fixed point input into a integer and took into consideration overflow.
Went fine with basic verilog concepts. Was asked a few conceptual designs related to VLSI design. Verilog codes were to be written on paper.
Problem solving with arrays and arrangements
PCB layout related question. Stackup, routing traces
Explain working of CMOS inverter in detail
Why do you want to work at GM?
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