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The following question based on operating system topic of computer mcq
(a) Portion of a process that is actually in main memory at any time.
(b) Portion of a process that is actually in virtually memory at any time.
(c) A and b both true.
(d) None of these.
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
In I/O management when buffering is allowed then : Statement A: Input transfer is performed before request is made. Statement B: Output transfer is performed after request is made. Statement A and B are both true
a) Statement A and B are both false
b) Statement A is true but Statement B is false
c) Statement B is true but statement A is false.
d) None of these.
Answer »Answer: (d)
Question : 2
The principal function of a process is
a) To execute machine instructions residing in main memory.
b) To execute assembly instructions residing outside main memory.
c) A and B both true.
d) A and B both false.
Answer »Answer: (a)
Question : 3
The memory allocation scheme subject to external fragmentation is
a) segmentation
b) swapping
c) pure demand paging
d) multiple contiguous fixed partitions
Answer »Answer: (a)
Question : 4
In the given operating system match the correct (i) Thread (ii) Process (A) The unit of resource ownership. (B) The unit of dispatching.
a) (i) A and (ii) B
b) (i) B and (ii) A
c) (i) A, B
d) (ii) A, B.
Answer »Answer: (c)
Question : 5
Which is/are the most important features of Microsoft windows program?
a) Windows
b) Pull-down menus
c) Icons
d) All of the above
Answer »Answer: (d)
Question : 6
In disk scheduling, the seek time is
a) The time taken to position the head at the track.
b) The time taken to reach the beginning of sector once the track is selected.
c) A and B both.
d) None of these.
Answer »Answer: (a)
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operating system Shortcuts and Techniques with Examples
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