A process that is spending more time paging than executing is said to be thrashing. (i.e., page fault occurs frequently). In other words, that the process doesn't have enough frames to hold all the pages for its execution, so it is swapping pages in and out very frequently to keep executing. As poor paging algorithm is used page fault occurs frequently. So, poor paging algorithms can quickly lead to thrashing.
Answers
ReplyDelete16. C
17. D
18. D
19. B
20. A
21. B
22. B
23. B
24. A
25. B
26. A
27. D
28. C
29. D
30. A
31. D
22. Explanation:
ReplyDeleteThread exists in several states. A thread can be running .It can be ready to run as soon as it gets CPU time. A running state can be suspended.
29. Explanation:
ReplyDeleteA process that is spending more time paging than executing is said to be thrashing. (i.e., page fault occurs frequently). In other words, that the process doesn't have enough frames to hold all the pages for its execution, so it is swapping pages in and out very frequently to keep executing. As poor paging algorithm is used page fault occurs frequently. So, poor paging algorithms can quickly lead to thrashing.
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