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Operating system questions answers cpu scheduling
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Question 1 |
Which one of the following can not be scheduled by the kernel?
kernel level thread | |
user level thread | |
process | |
none of the mentioned |
Question 1 Explanation:
User level threads are managed by thread library and the kernel is unaware of them.
Question 2 |
Which algorithm is defined in Time quantum?
shortest job scheduling algorithm | |
round robin scheduling algorithm | |
priority scheduling algorithm | |
multilevel queue scheduling algorithm |
Question 3 |
In multilevel feedback scheduling algorithm .....
a process can move to a different classified ready queue | |
classification of ready queue is permanent | |
processes are not classified into groups | |
none of the mentioned |
Question 4 |
In priority scheduling algorithm .....
CPU is allocated to the process with highest priority | |
CPU is allocated to the process with lowest priority | |
Equal priority processes can not be scheduled | |
None of the mentioned |
Question 5 |
The interval from the time of submission of a process to the time of completion is termed as .....
waiting time | |
turnaround time | |
response time | |
throughput |
There are 5 questions to complete.