Operating System MCQ with Answers Set-1

This post contains a computer network related to 20 multiple-choice questions (OS SET-1) that help you to go through the subject and prepare you for operating system related questions in competitive exams.

Operating System MCQ Test Series Set-1

Total Number of Questions: 20
Each question carries equal marks i.e 1
No Negative Marking

Page 1 of 2

1. The tracks on a disk that can be accused without repositioning the R/W heads is ___________________.

A.Surface.

B.Cylinder.

C.Cluster.

D.All of these.

E.None of these.

2. Which of the following is not true regarding multi programming environment?

Provide efficient resource utilization in a non-interactive environment

Multiple user programs are in memory at any time

Uses DMA mode of I/O

Turnaround time of a program is the appropriate measure of user service in this system

The user is substituted by programs i.e. more than one program shares the CPU and the CPU rapidly switches from one program to another

3. Which of the following is true about GUIs?

A.They make computers easier to use for nonprofessionals.

B.They use icons and menus that users can select with a mouse.

C.It makes computers easier to use for nonprofessionals and uses icons and menus that users can select with a mouse.

D.All of these.

E.None of these.

4. Fragmentation Means:

The condition of a disk in which files are divided into pieces scattered around the disk.

B.Removing viruses from the computer

C.Cleaning up of computers memory

D.Increasing the size of primary memory

E.All the above

5. A computer system consisting of its processor, memory and I/O devices accepts data, processes it and produces the output results. Can you tell in which component is the raw data fed?

A.Mass Memory.

B.Main Memory.

C.Logic Unit.

D.Arithmetic Unit.

E.None of these.

6. The Problem of thrashing is affected significantly by:

A.Program Structure

B.Program Size

C.Primary-storage device

D.All the above

E.None of the above

7. 'DOS' floppy disk does not have_________________.

A.A Boot Record.

B.A File Allocation Table.

C.A Root Directory.

D.Directory Structure.

E.BIOS.

8. The mechanical diskette drive in which you insert your diskette is connected to the computer's -bus

A.Data.

B.Communication.

C.Address.

D.Parallel.

E.None of these.

9. Page Stealing

A.Is a sign of an efficient system

B.Is taking page frames from other working sets

C.Should be the turning goal

D.Is taking larger disk spaces for pages out

E.None of these

10. When CD is read by the CD-ROM it is termed as________

A.Latency Time

B.Delay Time

C.Seek Time

D.Rotational Time

E.Shift Time

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11. The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk is known as _________.

A.Multiprogramming

B.Spooling

C.Caching

D.Virtual Programming

E.None of them

12. Virtual Memory is

A.Related to virtual reality

B.A form of RAM

C.A form of ROM

D.Both Related to virtual reality and A form of RAM

E.None of These

13. Batch Processing is preferred over on-line transaction processing when

(1) Processing efficiency is important.

(2) The volume of data to be processed is large

(3) Only periodic processing is needed

(4) A large number of queries are to be processed

A.(1), (2)

B.(1), (3)

C.(2), (3)

D.(1), (2), (3)

E.(1), (2), (3), (4)

14. A DVD-RAM is similar to a _______________ expect it has storage capacities up to 5.2 GB.

A.CD-R.

B.Floppy Disk.

C.CD-RW.

D.Hard Disk.

E.None of these.

15. Which of the following are normally used in initialize a computer system's hardware?

A.Bootstrap Memory.

B.Volatile Memory.

C.External mass memory.

D.Static memory.

E.Random access memory.

16. Programs in which of the following memories can't be erased?

A.RAM.

B.ROM.

C.Cache Memory.

D.Virtual Memory.

E.None of these.

17. Round Robin scheduling is essentially the preemptive version of _____________________.

A.FIFO.

B.Shortest Job First.

C.Shortest Remaining.

D.Longest Time First.

E.None of these.

18. To which pin on the RAM chip does the address decoder connect in order to signal which memory chip is being accessed?

A.The address input.

B.The output enable.

C.The chip enable.

D.The data input.

E.The data output.

19. Which of the following is a type of translator?

A.Assembler.

B.Compiler.

C.Interpreter.

D.None of these.

E.All of these.

20. Multiprogramming systems ______________.

A.Are easier to develop than single programming.

B.Execute each job faster.

C.Execute more jobs at the same time.

D.Are used only on large mainframe computers.

E.None of these.

Operating System MCQ Test Series Set-1

Total Number of Questions: 20

Each question carries equal marks i.e 1

No Negative Marking

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