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Operating Systems
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Course Name
BCA (Bachelor of Computer Application)
Subject Code BC0042 (Operating Systems)
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PART - A
PART - B
PART - C
Subject : Operating Systems
BC0042 : PART - B
| Q. 1 | 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 | | | | | Q. 2 | 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. 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 | WHICH OF THE FOLLOWING METHODS ARE USED FOR LOGICALLY IMPLEMENTING A LINK AND THE SEND/RECEIVE OPERATIONS
1) DIRECT OR INDIRECT COMMUNICATION
2) SYMMETRIC OR ASYMMETRIC COMMUNICATION
3) AUTOMATIC OR EXPLICIT BUFFERING
4) SEND BY COPY OR SE |
| | A) | 1,2,4,5 |
| B) | 1,2,3,5 | | C) | 1,2,3,4,5 | | D) | 1,2,3,4 | | | | | Q. 5 | WHICH OF THE FOLLOWING CONTAINS MANY PIECES OF INFORMATION ASSOCIATED WITH A SPECIFIC PROCESS OF PROCESS CONTROL BLOCK
1) PROCESS STATE
2) PROGRAM COUNTER
3) CPU REGISTERS
4) CPU SCHEDULING INFORMATION
5) MEMORY MANAGEMENT INFORMATION |
| | A) | 1,2,3,4,5,6,7 |
| B) | 1,2,3,4,5,7 | | C) | 1,2,3,4,5 | | D) | 1,2,3,4,5,6 | | | |
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