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Qualcomm Campus Recruitment Interview Experience

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Qualcomm conducted following rounds:

1. Online test conducted by hire pro. You can prepare from prepinsta and geeksforgeeks. In aptitute section they also ask logical aptitude too apart from quant. Keep your C basics like pointer, union, struct etc. strong.

2. Round 1 interview: First I was asked to introduce myself and tell about my project. Then most of the question were about C, some from OS & and one from linked list. Following question:
*toggle even bits of a number
*what is race condition?
*what will happen if i call free(NULL)? Any error?
*how to detect loop in linked list?
*what is deadlock?
*a function is passed a void pointer like myfunc(void *p). Determine memory address pointed by p is on stack or heap.
*What happens if i don’t free memory and assign some other address to an existing pointer variable pointing to some memory on heap?
*Difference b/w semaphore and mutex.
*about volatile keyword in C.
*about function pointers

3. Round 2 interview: Entire discussion was on projects and few puzzles you will find on geeksforgeeks like ant triangle etc.

4. HR Round… Relocation, why qualcomm, etc. HR like questios.

My Personal Notes arrow_drop_up
Last Updated : 05 Dec, 2019
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