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The following question based on operating system topic of computer mcq
(a) activating suspended I/O-bound processes
(b) temporarily suspending processes when CPU load is too great
(c) assigning ready processes to the CPU
(d) all of the above
The correct answers to the above question in:
Answer: (c)
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Question : 1
Par begin (P1)
a) Suspends main program, execute procedure P1 and after execution resume main program.
b) Procedure P1 is delayed infinitely due to other procedure are given preference.
c) Procedure P1 is not considered for execution.
d) None of these.
Answer »Answer: (a)
Question : 2
In UNIX process management, the following is true
a) User process enters kernel mode by issuing a system call when interrupt occurs.
b) Kernel mode is executed in user process.
c) User process enters kernel mode with out issuing a system call when interrupt occurs.
d) None of these.
Answer »Answer: (a)
Question : 3
The memory management, y one clock policy is applied then the page first loaded into a frame in memory its use bit is set to
a) Zero
b) One
c) Two
d) Three
Answer »Answer: (b)
Question : 4
External fragmentation solved by which allocation?
a) contiguous allocation
b) linked allocation
c) index allocation
d) both B and C
Answer »Answer: (d)
Question : 5
Which O/I are best method for allocating?
a) Contiguous
b) Linked
c) Index
d) All of the above
Answer »Answer: (b)
Question : 6
An attached processor
a) is used one only a few computers
b) causes all processor to function equally
c) is more difficult to implement than a coprocessor
d) is used only for limited, specific functions
Answer »Answer: (d)
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operating system set 1
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operating system Shortcuts and Techniques with Examples
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