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?
Answer: B. FIFO
Explanation:
In FIFO no of frames increases the page faults increases".this anamoly arised is knownas beladys anamoly.
2. For prevention of deadlock which of the following algorithm should be used
Answer: A. Banker’s algorithm
3. NonÂ-Preemptive algorithm is
Answer: C. FIFO
Explanation:
NonÂPreemption algorithm doesn’t interrupt the processes at the time of execution.
4. Ms-ÂDos is a type of
Answer: C. Single user OS
5. Execute more jobs in the same time is
Answer: A. Multiprogramming System
6. Mutual Exclusion is not the condition of
Answer: C. Deadlock
Explanation:
No Mutual Exclusion, Hold and Wait, No Preemption, Circular Wait these are the four necessary conditions.
7. A collection of software routines are called
Answer: B. Operating System
8. Necessary Conditions for deadlock can occur
Answer: C. No Mutual Exclusion, Hold and Wait, No Preemption, Circular Wait.
9. Kernel is not done by
Answer: B. user level thread
Explanation:
User level threads are managed by thread library and the kernel in unaware of them.
10. Occurrence of dining – philosophers problem
Answer: A. 5 philosophers and 5 chopsticks
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