OS Processes
If all processes I/O bound, the ready queue will almost always be ______ and the Short term Scheduler will have a ______ to do.
full, little
full, lot
empty, little
empty, lot
empty, little
If all processes are I/O bound, the ready queue will almost empty and the short-term scheduler will have a little to do. I/O bound processes spend more time doing I/O than computation.
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If a process fails, most operating system write the error information to a ______A. log file
B. another running process
C. new file
D. none of the mentioned
A process can be terminated due to __________
A. normal exit
B. fatal error
C. killed by another process
D. all of the mentioned
The number of processes completed per unit time is known as __________
A. Output
B. Throughput
C. Efficiency
D. Capacity
The primary distinction between the short term scheduler and the long term scheduler is __________
A. The length of their queues
B. The type of processes they schedule
C. The frequency of their execution
D. None of the mentioned
What is the objective of multiprogramming?
A. Have a process running at all time
B. Have multiple programs waiting in a queue ready to run
C. To increase CPU utilization
D. None of the mentioned
What is a long-term scheduler?
A. It selects processes which have to be brought into the ready queue
B. It selects processes which have to be executed next and allocates CPU
C. It selects processes which heave to remove from memory by swapping
D. None of the mentioned
What is a short-term scheduler?
A. It selects which process has to be brought into the ready queue
B. It selects which process has to be executed next and allocates CPU
C. It selects which process to remove from memory by swapping
D. None of the mentioned
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