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The following question based on operating system topic of computer mcq
(a) Actual location in main memory
(b) A reference to memory location independent of current assignment
(c) A logical address
(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
An unpaged cache associates disk domains with the address of the read and continues for a specific length. The major disadvantage of unpaged cache is that
a) it allows cache domain to contain redundant data
b) it does not allow writes to be cached
c) its access time is greater than that of paged caching
d) read ahead cache domain blocks are necessarily fixed in size
Answer »Answer: (a)
Question : 2
In the pure User Level Threads (ULT) (i) Thread management is done by application, (ii) Thread management is done by kernel, (iii) Kernel is not aware of the existence of thread, (iv) Application program interface (API) to the kernel thread facility.
a) i, iii are true
b) i, ii and iii are true
c) All are false
d) None of these are true
Answer »Answer: (a)
Question : 3
The access time in disk scheduling is
a) The time taken to position the head at the track.
b) The time taken to reach the beginning of the sector of the track.
c) The sum of seek time and rotational delay.
d) None of these.
Answer »Answer: (c)
Question : 4
Match the following for file system architecture:
- A-Basic file system,
- B-Logical I/O module,
- 1- Deals with blocks of data,
- 2- Deals with file records,
- 3- Provides general purpose record I/O capacity.
a) A - 1, B - 2, 3
b) A - 1, 2, B - 3
c) A - 2, 3, B - 1
d) A - 1, 3, B - 2
Answer »Answer: (a)
Question : 5
In three-tier client/server architecture application software match the following:
- A-User machine, 1-Client,
- B- Middle-tier, 2- Application server,
- C- Backend server, 3 Data servers.
a) A - 1, B - 2, C - 3
b) A - 1, B - 3, C - 2
c) A - 2, B - 1, C - 3
d) A - 3, B - 2, C - 1
Answer »Answer: (a)
Question : 6
- A-Fixed-Head disk,
- B-Movable-Head disk,
- 1- One head per track and al head are mounted on a rigid arm that extends across all tracks.
- 2- Only one head and the head is mounted on the arm, such that it can position the track.
a) A - 1, B - 2
b) A - 2, B - 1
c) A - 1, B - 1
d) A - 2, B - 2
Answer »Answer: (a)
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operating system set 1
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