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Embedded Software Developer Interview Questions
4,752 embedded software developer interview questions shared by candidates
All is basic questions, but has some emphasis on C and network
Mainly behavior questions. Some technical questions include what is the bug in a small C code. What is the difference between UDP and TCP.
In C, what is "volatile" used for?
What are microcontrollers?
All about microprocessors and basic digital electronics questions.
Define a heap and implement malloc and free functions that execute in O(1). Each block is assigned a fixed size.
How to design a clock circuit in VHDL, previous job experiences and how my knowledge would translate to this job.
The questions themselves deserve a separate paragraph. The interview was split to several quizzes: hardware design, rtos-related, c, c++, linux, security. Majority of the questions was single-answer test questions. Few open questions to write some snippet. The hardware and security part was quite ok. The rest was not. The C/C++ questions were based on a code snippets prepared exactly for interview purpose. So, there were some crazy-looking constructs like 3[arr] + (arr+1)[1], !!!arr, &(*(&arr[1]+1)+2). Things that you should never see on production. I don't see a point of asking such questions. This kind of questions doesn't check if you're good engineer or not. There were no good coding practices questions, no software design-related. All C++ questions were pre-C++11.
Everything about C language, Hardware related questions, Generic Code writing, Pseudo Code I2C, SPI & Uart Reception, Power Supply design, Relay Interfacing with uC, Past Projects
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