operating system set 1 Detailed Explanation And More Example
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The following question based on operating system topic of computer mcq
(a) is a low percentage of number of records that are added to or deleted from a file
(b) is a measure of the percentage of existing records updated during a run
(c) refers to how closely the files fit into the allocated space
(d) is a measure of the number of records added or deleted from a file compassed with the original number of records
The correct answers to the above question in:
Answer: (a)
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Read more operating system Based Computer Questions and Answers
Question : 1
RAID (Redundant Array of Independent Disks) scheme consists of
a) Five levels from one to six.
b) Six levels, from zero to five.
c) Seven levels, from zero to six.
d) None of these.
Answer »Answer: (c)
Question : 2
In disk scheduling when SCAN (Look) policy is applied and when last track reached in one direction
a) The service direction is reversed and scan proceeds in opposite direction.
b) The arm returns to the opposite end of the disk and scan begins again.
c) A and B both true.
d) None of these.
Answer »Answer: (a)
Question : 3
In UNIX process management, the system process runs in
a) Kernel mode only
b) Kernel and user mode both
c) User mode only
d) None of these.
Answer »Answer: (a)
Question : 4
Virtual system swapping
a) allocates all of memory to one program
b) pages working set pages in and out as a group
c) is never as efficient as normal paging
d) is used only on systems that are thrashing
Answer »Answer: (d)
Question : 5
RAID-O does not support the following characteristics:
- A: RAID is a set of physical disk drives viewed by the operating system as a single logical drive"/>
a) A and B
b) A only
c) B only
d) C only
Answer »Answer: (d)
Question : 6
The following operating system writes through catches?
a) UNIX
b) DOS
c) ULTRIX
d) XENIX
Answer »Answer: (b)
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operating system set 1
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