Computer systems questions: parallelism, concurrency, virtual memory, deadlocks, CPU scheduling, etc..
Embedded Software Developer Interview Questions
6,906 embedded software developer interview questions shared by candidates
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.
Tell about synchronization primitives in multithreaded systems
Around 40 questions asked back to back from 3 people which were googled at tue time of interview
Questions about pointers, debugging code, low level programming
What is volatile in C, when to use it and why
which nm technology you used in your project
difference stack/heap
Why do you want to be an embedded software engineer?
Explain pointers and when you could user a double pointer. Follow exponential drawing code. (Error with semi-colon after the for loop. And reason through it. What is a mutex and semaphore. How are they used. Basic buffer operations in OS. How to handle deadlock and context switch. Coding question on the use of pointers and passing by reference (* and &) using a class. Class c1, *c2, &c3. Coding question about parsing through Cstring in C. Turn a string into an integer and output it based on test cases.
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