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Systems Software Engineer Interview Questions
641 systems software engineer interview questions shared by candidates
He asked me to write a function to reverse a string. Since Python is my most recent language, I wrote a one-liner to do that. Then I did it in C complete with tests and test data. The whole thing too about an hour. Within 2 days, I had an offer in hand.
Q. What is char **ppi ? Q. What is use of break and default in switch statement ? Q. Explain the flow of scenario where Notepad App is opened and you are typing on your keyboard ? As the whole flow from OS perspective which includes interrupts,system calls etc. Q. What is TLB ,Cache Coherency ,Memory Management Unit ? Q. Explain the flow when the page fault happens because of the page exist in secondary memory ? Q. What is the use of "probe " function does in the device driver ? Q. What is "insmod" does ? Q. How the function call happens in assembly language ? What are the instructions used ? (ARM or x86 arch) Q. Implement your own spinlock. Q. White board programming for : Input : <Mathematical Equation> (2*3-7+3) OR (2/3*6+3) .... Output: Result of the equation
Sort Employee elements based on Age and then Salary.
Out of 25 horses, pick the fastest 3 horses. In each race, only 5 horses can run at the same time. What is the minimum number of races required?
Every round focussed on some aspect. First round was mainly on programming languages. Second round on OS and Networking concepts. Third round on puzzles. Fourth round was coding.
There was just the two challenges. Haven't actually talked to them on the phone outside of a short phone call about the challenge itself.
On mutex usage there was an interesting question. Strong C++ suggested
If 9 people want to hire for one position, and you are the first person getting interviewed by the panel, Most likely , they will resort to tire themselves to interview 10 more candidates before SETTLING for any one.
How to print a linkedlist and reverse the same linkedlist?
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