OS Interview Questions
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1. What is Executive in Windows NT? [Answer]
2. What are the sub-components of I/O manager in Windows NT? [Answer]
3. What are DDks? Name an operating system that includes this feature. [Answer]
4. What level of security does Windows NT meets? [Answer]
5. What is process migration? [Answer]
6. 4What is mutant? [Answer]
7. What is an idle thread? [Answer]
8. What is FtDisk? [Answer]
9. What are the possible threads a thread can have? [Answer]
10. What are rings in Windows NT? [Answer]
11. What is page cannibalizing? [Answer]
12. What has triggered the need for multitasking in PCs? [Answer]
13. What are the four layers that Windows NT have in order to achieve independence? [Answer]
14. What is SMP? [Answer]
15. What are the key object oriented concepts used by Windows NT? [Answer]
16. Is Windows NT a full blown object oriented operating system? Give reasons. [Answer]
17. What is a drawback of MVT? [Answer]
18. What is process spawning? [Answer]
19. How many jobs can be run concurrently on MVT? [Answer]
20. List out some reasons for process termination. [Answer]
21. What are the reasons for process suspension? [Answer]
22. What are demand- and pre-paging? [Answer]
23. Paging a memory management function, while multiprogramming a processor management function, are the two interdependent? [Answer]
24. In loading programs into memory, what is the difference between load-time dynamic linking and run-time dynamic linking? [Answer]
25. In the context of memory management, what are placement and replacement algorithms? [Answer]
26. How are the wait/signal operations for monitor different from those for semaphores? [Answer]
27. Describe the Buddy system of memory allocation. [Answer]
28. What is time-stamping? [Answer]
29. Define latency, transfer and seek time with respect to disk I/O. [Answer]
30. What are local and global page replacements? [Answer]
31. What is a trap and trapdoor? [Answer]
32. When does the condition 'rendezvous' arise? [Answer]
33. Explain the popular multiprocessor thread-scheduling strategies. [Answer]
34. What are the stipulations of C2 level security? [Answer]
35. What is busy waiting? [Answer]
36. What is meant by arm-stickiness? [Answer]
37. What is cycle stealing? [Answer]
38. When is a system in safe state? [Answer]
39. What is the resident set and working set of a process? [Answer]
40. What is the Translation Lookaside Buffer (TLB)? [Answer]
41. What are the typical elements of a process image? [Answer]
42. What are turnaround time and response time? [Answer]
43. What are short-, long- and medium-term scheduling? [Answer]
44. List the Coffman's conditions that lead to a deadlock. [Answer]
45. What is thrashing? [Answer]