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Operating Systems with Unix
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Course Name
MCA (Master of Computer Application)
Subject Code MC0070 (Operating Systems with Unix)
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PART - A
PART - B
PART - C
Subject : Operating Systems with Unix
MC0070 : PART - C
| Q. 1 | IF PREEMPTION IS REQUIRED TO DEAL WITH DEADLOCKS, THEN WHICH ISSUES NEED TO BE ADDRESSED
1) SELECTING A VICTIM
2) ROLLBACK
3) STARVATION
4) TERMINATION
5) DETECTION |
| | A) | 1,2,3,4,5 |
| B) | 1,2,3,4 | | C) | 1,2,3 | | D) | 1,2,3,5 | | | | | Q. 2 | MATCH THE FOLLOWING
A
1) I/O REQUEST
2) AN INTERRUPT OCCURS
3) COMPLETION OF I/O
B
i) WHEN A PROCESS SWITCHES FROM THE RUNNING STATE TO THE WAITING STATE
ii) WHEN A PROCESS WITCHES FROM THE RUN |
| | A) | 1-i, 2-ii, 3-iii |
| B) | 1-i, 2-iii, 3-ii | | C) | 1-ii, 2-i, 3-iii | | D) | 1-iii, 2-ii, 3-i | | | | | Q. 3 | A MULTILEVEL FEEDBACK QUEUE SCHEDULER IS DEFINED BY WHICH OF THE FOLLOWING PARAMETERS
1) THE NUMBER OF QUEUES
2) THE SCHEDULING ALGORITHM FOR EACH QUEUE
3) THE METHOD USED TO DETERMINE WHEN TO UPGRADE A PROCESS TO A HIGHER PRIORITY QUEUE
4 |
| | A) | 1,2,3,4,5 |
| B) | 1,2,3,4 | | C) | 1,2,3,5 | | D) | 1,2,4,5 | | | | | Q. 4 | A DEADLOCK SITUATION CAN ARISE WHICH OF THE FOLLOWING CONDITIONS HOLD SIMULTANEOUSLY IN A SYSTEM
1) MUTUAL EXCLUSION
2) HOLD AND WAIT
3) NO PREEMPTION
4) CIRCULAR WAIT |
| | A) | 1,2,3 |
| B) | 1,2,4 | | C) | 1,2,3,4 | | D) | NONE OF THE ABOVE | | | | | Q. 5 | WHICH OF THE FOLLOWING ARE USED FOR SCHEDULING CRITERIA
1) CPU UTILIZATION
2) THROUGHOUTPUT
3) TURNAROUND TIME
4) WAITING TIME
5) RESPONSE TIME |
| | A) | 1,3,4,5 |
| B) | 1,2,3,4,5 | | C) | 1,4,5 | | D) | NONE OF THE ABOVE | | | |
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