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

Questions : 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.

The correct answers to the above question in:

Answer: (c)

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Question : 1

Which of the following is not human readable I/O device ?

a) Video display terminals

b) Key board

c) Printers

d) Disk drives

Answer: (d)

Question : 2

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: (a)

Question : 3

In memory management :

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

Answer: (c)

Question : 4

Address Binding is defined as

a) Compiler will typically bind these symbolic addresses to relocatable addressees

b) Each binding is a mapping from one address space to another

c) The linkage editor or loader win in turn bind these relocatable addresses to absolute addresses

d) All of the above

Answer: (d)

Question : 5

With a segmentation, if there are 64 segments, and the maximum segment size is 512 words, the length of the logical address in bits is

a) 12

b) 14

c) 15

d) 16

Answer: (c)

Question : 6

The RAID scheme indicate

a) Random access of information data.

b) Random array of independent disks.

c) Redundant array of independent disks.

d) Redundant access of information data.

Answer: (d)

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