operating system set 3 Detailed Explanation And More Example
MOST IMPORTANT computer mcq - 6 EXERCISES
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The following question based on operating system topic of computer mcq
(a) is needed by every installation
(b) is never needed
(c) varies in degree between installations
(d) requires off-site computer for immediate use
The correct answers to the above question in:
Answer: (c)
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Read more operating system Based Computer Questions and Answers
Question : 1
he compaction is the technique in memory management that is used to over come
a) Internal fragmentation
b) External fragmentation
c) Both (A) and (B)
d) None of these.
Answer »Answer: (b)
Question : 2
In disk scheduling, SCAN algorithm states
a) The arm is required to move in one direction only.
b) The arm can be moved in any direction.
c) The arm is fixed.
d) None of these.
Answer »Answer: (a)
Question : 3
In last- in-first- out, disk scheduling policy
a) Recently received request is entertained at the last.
b) Recently received request is entertained first.
c) Requests are selected at random
d) None of these.
Answer »Answer: (b)
Question : 4
Access to moving head disks requires three periods of delay before information is brought into memory. The response that correctly lists the three time delays for the physical access of data in the order of the relative speed from the slowest to the fastest is
a) latency time, cache overhead time, seek time
b) transmission time, latency time, seek time
c) seek time, latency time, transmission time
d) cache overhead time, latency time, seek time
Answer »Answer: (c)
Question : 5
In a fixed head disk, the number of read/write head per track are
a) One
b) Two
c) Three
d) Four.
Answer »Answer: (a)
Question : 6
Round robin is a
a) kind of magnetic drum
b) process scheduling policy
c) process synchronization policy
d) memory allocation policy
Answer »Answer: (b)
GET operating system PRACTICE TEST EXERCISES
operating system set 1
operating system set 2
operating system set 3
operating system set 4
operating system set 5
operating system set 6
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