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OS CPU Scheduling
Choose one of the disadvantages of the priority scheduling algorithm?
it schedules in a very complex manner
its scheduling takes up a lot of time
it can lead to some low priority process waiting indefinitely for the CPU
none of the mentioned
Author:
rikazzz
Comment
OS CPU Scheduling
What are the two steps of a process execution?
I/O & OS Burst
CPU & I/O Burst
Memory & I/O Burst
OS & Memory Burst
Author:
rikazzz
Comment
OS CPU Scheduling
Which module gives control of the CPU to the process selected by the short-term scheduler?
dispatcher
interrupt
scheduler
none of the mentioned
Author:
rikazzz
Comment
OS CPU Scheduling
With round robin scheduling algorithm in a time shared system ____________
using very large time slices converts it into First come First served scheduling algorithm
using very small time slices converts it into First come First served scheduling algorithm
using extremely small time slices increases performance
using very small time slices converts it into Shortest Job First algorithm
All the processes will be able to get completed.
Author:
rikazzz
Comment
OS CPU Scheduling
Which one of the following can not be scheduled by the kernel?
kernel level thread
user level thread
process
none of the mentioned
User level threads are managed by thread library and the kernel is unaware of them.
Author:
rikazzz
Comment
OS CPU Scheduling
Process are classified into different groups in ____________
shortest job scheduling algorithm
round robin scheduling algorithm
priority scheduling algorithm
multilevel queue scheduling algorithm
Author:
rikazzz
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OS CPU Scheduling
An SJF algorithm is simply a priority algorithm where the priority is ____________
the predicted next CPU burst
the inverse of the predicted next CPU burst
the current CPU burst
anything the user wants
The larger the CPU burst, the lower the priority.
Author:
rikazzz
Comment
OS CPU Scheduling
CPU scheduling is the basis of ___________
multiprocessor systems
multiprogramming operating systems
larger memory sized systems
none of the mentioned
Author:
rikazzz
Comment
OS CPU Scheduling
With multiprogramming ______ is used productively.
time
space
money
all of the mentioned
Author:
rikazzz
Comment
OS CPU Scheduling
What is Turnaround time?
the total waiting time for a process to finish execution
the total time spent in the ready queue
the total time spent in the running queue
the total time from the completion till the submission of a process
Author:
rikazzz
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