Given the hexadecimal view of first few bytes of different files, identify the executable file (ELF file) from the options below. (Hint: The ASCII value of ’A’ = 65)
7f 41 51 45 02 01 01 00
6e 45 4c 46 02 01 01 00
7f 45 4c 46 02 01 01 00
7f 45 45 45 02 01 01 00
Consider the code given below.
int pid;pid = fork();if (pid > 0){ pid = wait();}else{ execlp("ls", "", NULL); exit(0);}While the execlp("ls", "", NULL) function is running in the child process, what is the state of the parent process?
Sleeping
Running
Terminated
Waiting
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The IIT Madras BS Operating Systems (Operating Systems) Quiz 2 paper sat on 24 Mar 2024, in the January 2024 term: 19 questions for 50 marks in 120 minutes. The first 3 questions are below. Sign in with Google — it is free — to see the whole paper with its answers and explanations, in learning mode or as a timed mock test.
| Feature | Operating Systems Quiz 2 24 Mar 2024 at a glance |
|---|---|
| Term | January 2024 term |
| Subject | Operating Systems |
| Course code | BSCS4022 |
| Questions | 19 |
| Marks | 50 |
| Duration | 120 min |
| MCQ | 15 |
| Numerical | 2 |
| MSQ | 2 |
| Official paper | IIT M FOUNDATION AN EXAM QDF2 24 Mar 2024 |
| Negative marking | No negative marking. |
| Updated |