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The following question based on operating system topic of computer mcq
A- Fetch Policy | 1- It determines when a modified page should be written out to secondary memory |
B Cleaning Policy | 2- It determines when a page should be bought into main memory |
C- Placement Policy | 3- It determines where in real memory a process piece is to reside |
(a) A - 1, B - 2, C - 3
(b) A - 2, B - 3, C - 1
(c) A - 2, B - 1, C - 3
(d) A - 3, B - 1, C - 2
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
In disk storage devices the width of head is:
a) Same of the track
b) More than of the track
c) Less than of the track
d) None is true.
Answer »Answer: (a)
Question : 2
Match the following I/O devices : A- Keyboard, 1- Human readable, B- Disk and tape drives, 2- Communication, C- Modems, 3-Machine readable
a) A - 1, B - 3, C - 2
b) A - 1, B - 2, C - 3
c) A - 3, B - 2, C - 1
d) A - 2, B - 1, C - 3
Answer »Answer: (a)
Question : 3
Multiprocessing models have
a) symmetric multiprocessing model
b) asymmetric multiprocessing model
c) both (A) and (B) above
d) None of these
Answer »Answer: (c)
Question : 4
In multiprocessor scheduling;
A: Coarse gained parallelism | 1- Concurrent processes running on a multi-programmed uniprocessor |
B: Medium grained parallelism | 2 Parallel processing or multi-tasking is done within a single application |
C: Fine-grained parallelism | 3-Parallel processing is done within a single instruction stream |
a) A - 1, B - 2, C - 3
b) A - 2, B - 3, C - 1
c) A - 3, B - 2, C - 1
d) A - 1, B - 3, C - 2
Answer »Answer: (a)
Question : 5
Which of the following is not human readable I/O device ?
a) Video display terminals
b) Key board
c) Printers
d) Disk drives
Answer »Answer: (d)
Question : 6
In file management, users and applications access records via
a) Physical I/O
b) Basic I/O supervisor
c) Logical I/O
d) None of these.
Answer »Answer: (c)
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operating system set 1
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