OS Processes
The number of processes completed per unit time is known as __________
Output
Throughput
Efficiency
Capacity
Throughput
The number of processes completed per unit time is known as Throughput. Suppose there are 4 processes A, B, C & D they are taking 1, 3, 4 & 7 units of time respectively for their executions. For 10 units of time, throughput is high if process A, B & C are running first as 3 processes can execute. If process C runs first then throughput is low as maximum only 2 processes can execute. Throughput is low for processes which take a long time for execution. Throughput is high for processes which take a short time for execution.
Throughput The number of processes completed per unit time is known as Throughput. Suppose there are 4 processes A, B, C & D they are taking 1, 3, 4 & 7 units of time respectively for their executions. For 10 units of time, throughput is high if process A, B & C are running first as 3 processes can execute. If process C runs first then throughput is low as maximum only 2 processes can execute. Throughput is low for processes which take a long time for execution. Throughput is high for processes which take a short time for execution.
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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 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
When the process issues an I/O request __________
A. It is placed in an I/O queue
B. It is placed in a waiting queue
C. It is placed in the ready queue
D. It is placed in the Job queue
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