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The following question based on operating system topic of computer mcq
(a) allowing job to use the processor
(b) making proper use of processor
(c) Both A and B
(d) None of these
The correct answers to the above question in:
Answer: (c)
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Question : 1
A partitioned data set is most used for
a) storing program data
b) storing ISAM files
c) a program or source library
d) storing backup information
Answer »Answer: (c)
Question : 2
In First-In-First-out (FIFO) replacement policy used in memory management, the page frames to allocated to a process as circular buffer and
a) The most recent page is removed at first
b) The most recent page is removed at the last
c) The most recent page is removed any time
d) None of these
Answer »Answer: (b)
Question : 3
The following
a) Start? Fetch next instruction? Execute Instruction ? Halt, represents
b) Instruction cycle with interrupt
c) Instruction cycle without interrupt
d) Instruction cycle with two interrupts (E) None of these.
Answer »Answer: (c)
Question : 4
A Absolute loading B Re-locatable loading C Dynamic Run-Time loading; 1. For loader, load module, either is an absolute main memory address or specific address reference. 2. For loader, load modules have no absolute address. 3. For loader, load modules have all memory reference in relative form.
a) A - 1, B - 2, C - 3
b) A - 2, B - 3 , C - 1
c) A - 1, B - 3, C - 2
d) A - 3, B - 2, C - 1
Answer »Answer: (a)
Question : 5
In bit table used for Free space management in secondary storage
a) Bit zero corresponds to free block
b) Bit one corresponds to free block
c) Bit zero corresponds to block in use
d) None of these
Answer »Answer: (a)
Question : 6
If normalized turnaround time of different process are given. Then Highest response ratio next policy in uniprocessor scheduling policy selects.
a) The ready process with lowest normalized turnaround time.
b) The ready process with highest normalized turnaround time.
c) The process with shortest expected processing time.
d) The process with highest expected processing time.
Answer »Answer: (b)
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operating system set 1
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operating system Shortcuts and Techniques with Examples
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