Operating System - Processes Questions and Answers

Exercise:

Operating System : Processes

The quiz have Processes Multiple Choice Questions from Operating System Section with answers and explanation.

1. Which of the following algorithm have Belady's anamoly?
[A] Optimal replacement
[B] FIFO
[C] LRU
[D] both in FIFO and LRU
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2. For prevention of deadlock which of the following algorithm should be used
[A] Banker’s algorithm
[B] LRU
[C] Paging
[D] SCAN
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3. Non­-Preemptive algorithm is
[A] SJF
[B] Round Robin
[C] FIFO
[D] SRTF
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4. Ms-­Dos is a type of
[A] Multiuser OS
[B] Time sharing OS
[C] Single user OS
[D] Hybrid OS
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5. Execute more jobs in the same time is
[A] Multiprogramming System
[B] Time sharing System
[C] Distributed System
[D] Hybrid Systems
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6. Mutual Exclusion is not the condition of
[A] To transferring a file
[B] Semaphore
[C] Deadlock
[D] Paging
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7. A collection of software routines are called
[A] Hardware
[B] Operating System
[C] Data files
[D] Multiprogramming
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8. Necessary Conditions for deadlock can occur
[A] No Mutual Exclusion, Hold and Wait, Circular Wait, Preemption.
[B] No Mutual Exclusion, Circular Wait,Preemption, Hold and Wait..
[C] No Mutual Exclusion, Hold and Wait, No Preemption, Circular Wait.
[D] No Preemption, No Mutual Exclusion,Hold and Wait, Circular Wait.
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9. Kernel is not done by
[A] kernel level thread
[B] user level thread
[C] process
[D] none of the mentioned
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10. Occurrence of dining – philosophers problem
[A] 5 philosophers and 5 chopsticks
[B] 4 philosophers and 5 chopsticks
[C] 3 philosophers and 5 chopsticks
[D] 6 philosophers and 5 chopsticks
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Samiullah Khan 1 week ago Reply

Good