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The following question based on operating system topic of computer mcq
(a) The collection of data in order which they arrive.
(b) A fixed format used for records.
(c) Records keep with some key sequence.
(d) None of these.
The correct answers to the above question in:
Answer: (a)
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Question : 1
In Layered operating system following statement is false
a) Most or all the layers execute in kernel mode.
b) Interaction only takes place between adjacent layers.
c) Functions are organized hierarchically.
d) None of these.
Answer »Answer: (d)
Question : 2
In round robin (time slicing) policy applied on uni processor scheduling
a) When interrupt occurs, the currently running process is placed in ready queue, and next ready job is selected in First come First serve basis.
b) When interrupt occurs, the currently running process is placed in ready queue and next ready job is selected in random order.
c) No interruption is entertained.
d) None of these.
Answer »Answer: (a)
Question : 3
In round robin (time slicing) policy applied on uni-processor scheduling
a) When interrupt occurs, the currently running process is placed in ready queue, and next ready job is selected in First come First serve basis.
b) When interrupt occurs, the currently running process is placed in ready queue and next ready job is selected in random order.
c) No interruption is entertained.
d) None of these.
Answer »Answer: (a)
Question : 4
The two state process models have the following states
a) Running and Not Running
b) Running and Ready
c) Ready and Blocked
d) New and Ready.
Answer »Answer: (a)
Question : 5
Check pointing a job
a) allows it to be completed successfully
b) allows it to continue executing later
c) prepares it for finishing
d) occurs only when there is an error in it
Answer »Answer: (b)
Question : 6
The Java run time environment is an example of
a) Single user process with multiple threads
b) Multiple user processes with single thread per process.
c) Multiple user processes with multiple threads per process.
d) None of these.
Answer »Answer: (a)
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operating system set 1
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operating system Shortcuts and Techniques with Examples
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