7.MCQ Operating System (OS)

 1. It runs on computer hardware and serves as platform for other software to run on. 

(1) Operating system 

(2) Application software 

(3) Programs 

(4) Peripherals

(5) Processing system 

2. The primary purpose of the windows operating system is 

(1) to make the most efficient use of the computer hardware 

(2) to allow people to use the computer 

(3) to keep systems programmer’s employed 

(4) to make computers easier to use

(5) None of the above 

3. The simultaneous processing of two or more programs by multiple processors, is [IBPS Clerk 2011] 

(1) Multi-programming 

(2) Multi-tasking 

(3) Time sharing 

(4) Multi-processing 

(5) None of the above

4. It is the first program run on a computer, when the computer boots up. 

(1) System software 

(2) Operating system 

(3) System operations 

(4) Processing system

(5) Memory system

5. It shares characteristics with both hardware and software. 

(1) Operating system 

(2) Software 

(3) Data 

(4) Utility

(5) All of these 

6. BIOS stands for [IBPS Clerk 2011] 

(1) Bias Integrated Output System 

(2) Bias Integrated Operator System 

(3) Basic Input Output Software 

(4) Basic Input Output System

(5) None of the above 

7. Which one of the following DOS commands sends contents of the screen to an output device? 

(1) BREAK

(2) DISK COPY 

(3) MORE

(4) ASSIGN 

(5) None of these 

8. Which of the following operating systems is also known as single user operating system? 

(1) Windows

(2) Linux 

(3) Unix

(4) DOS 

(5) None of these 

9. The main difference between windows and DOS is the ability to 

(1) multitasking 

(2) speed up 

(3) run a program

(4) run without power 

(6) None of these

10. Which process checks to ensure the components of the computer are operating and connected properly? [SBI PO 2012) 

(1) Booting

(2) Processing 

(3) Saving

(4) Editing 

(5) None of these 

11. Multi-processing means 

(1) two or more central processing units within a single computer system 

(2) two or more programs running at once 

(3) two or more input devices connected to a single computer system 

(4) two or more tasks carried out by a single computer system 

(5) None of the above 

12. Which of the following is the main program of MS-DOS? 

(1) Boot Record 

(2) ID. SYS

(3) MS.DOS. SYS 

(4) COMMAND.COM

(5) All of these 

13. Linux is a type of …….. software. [IBPS Clerk 2011] 

(1) shareware

(2) commercial 

(3) proprietary

(4) open source 

(5) hidden type 

14. Which of the following is not an operating system? 

(1) Windows

(2) Lynx 

(3) Linux

(4) Unix 

(5) CPM

15. The operating system is the most common type of ……. software. 

(1) communication 

(2) application 

(3) system

(4) word-processing 

(5) None of the above 

16. In MS-DOS, which of the following commands is used to delete directory with all sub-directories and files? 

(1) Delete

(2) Del 

(3) Deltree

(4) Move 

(5) None of these 

17. In DOS, the ‘label’ command is used to

(1) create the label of disk 

(2) change the label of disk 

(3) remove the label of disk 

(4) Both ‘l’ and ‘2 

(5) All of the above

18. Which command is used to delete file rom a  directory in DOS? [SBI Clerk 2007]

(1) REN

(2) DEL 

(3) CD

(4) MD 

(5) None of these 

19. ‘>’ symbol in DOS commands is used to [IBPS Clerk 2011

(1) compare two values 

(2) redirect input 

(3) redirect output 

(4) filter data

(5) None of the above 

20. Which of the following is not an external command of DOS? 

(1) LABEL

(2) FORMAT

(3) CHKDSK

(4) CLS 

(5) ATTRIB 

21. Which of the following is not a usual file extension in DOS? 

(1) .EXE

(2).COM 

(3) .SYS

(4) .BAT 

(5).O 

22. Which file in MS-DOS contains internal commands that are loaded during booting process? 

(1) CONFIG.SYS 

(2) MSDOS.SYS 

(3) BIOS.SYS

(4) COMMAND.COM 

(5) None of these 

23. What is the name of the batch file that is automatically run when MS-DOS is booted? 

(1) CONFIG.SYS 

(2) CONFIG.BAT 

(3) AUTOEXEC.BAT 

(4) RUN.BAT

(4) None of the above

24. Which type of commands in MS-DOS need external files to perform their action? 

(1) Internal commands 

(2) External commands 

(3) Batch commands 

(4) Redirectories

(5) None of the above 

25. The scandisk program is used to 

(1) find bad cluster of disk and also remove these cluster 

(2) scan disk and eliminate viruses 

(3) scan disk and eliminate .BAT files 

(4) All of the above 

(5) None of the above

26. DOS stands for 

(1) Drive Out System 

(2) Dry Out System 

(3) Disk Operating System 

(4) Disk Output System

(5) Disk Operating Series 

27 Which of the following is not an internal command of DOS?

(1)  VER

(2) COPYCON 

(3) FORMAT

(4) VOL 

(5) TYPE

28……. is a feature for scheduling and multi-programming to provide an economical interactive system of two or more users. [IBPS Clerk 2012] 

(1) Time sharing

(2) Multi-tasking 

(3) Time tracing

(4) Multi-processing 

(5) None of these

29. A command, in DOS, used to set a name to a disk, is 

(1) VOL 

(2) REN 

(3) LABEL 

(4) CLS

(5) COPYCON 

30. Which of the following is/are function of operating system? 

(1) User interface 

(2) File system manipulation 

(3) Resource allocation 

(4) All of the above

(5) None of the above 

31. The word processor used by DOS to write the programs or instructions, is 

(1) Word Star 

(2) Word Pad 

(3) Note Pad

(4) MS Word 

(5) EDIT

32. An operating system is a/an (SSC CGL 2013]

(1) accounting software 

(2) application software 

(3) system software

(4) utility software 

33. In DOS, the DIR command is used to ..(SSC CGL 2013) 

(1) display contents of a file 

(2) delete files 

(3) display list of files and subdirectories 

(4) copy files 

34.which one of the following is an MS-DOS external command? [SSC CHSL 2012) 

(1) DIR 

(2) COPY 

(3) FORMAT

(4) PROMPT

35. ‘DOS’ operating system does not have

(1) a boot record 

(2) a file allocation table 

(3) a root directory

(4) a virtual memory 

(5) All of the above 

36. MS-DOS is usually supplied on a 

(1) hard disk

(2) cartridge tape 

(9) CD ROM

(4) floppy disk 

(5) None of these 

37. A program in execution is called 

(1) process

(2) instruction 

(3) procedure

(4) function 

(5) None of the above 

38. Which of the following commercial software products are examples of operating system software and application software, respectively?

[SBI Clerk 2012] 

(1) Microsoft windows XP and Microsoft word 

(2) Microsoft office XP and Microsoft windows XP 

(3) MS DOS and Microsoft windows XP 

(4) UNIX and LINUX

(5) UNIX and Java 

39. Memory utilisation factor shall be computed as

(1) memory in use/allocated memory 

(2) memory in use/total memory connected 

(3) memory allocated/free existing memory 

(4) memory committed/total memory available 

(5) None of the above

39. Memory utilisation factor shall be computed as

(1) memory in use/allocated memory 

(2) memory in use/total memory connected 

(3) memory allocated/free existing memory 

(4) memory committed/total memory available 

(5) None of the above 


40. Fork is

(1) the dispatching of a task 

(2) the creation of a new job 

(3) the creation of a new process 

(4) increasing the priority of a task

(5) None of the above

 41. Which one of the following is not the function of operating system? 

(1) Resource Management 

(2) File Management 

(3) Networking 

(4) Processor Management

(5) None of the above 

42. The kernel is ……… user thre

(1) a part of

(2) the creator of 

(3) unaware of 

(4) aware of 

(5) None of these

43. Real time systems must have

(1) pre-emptive kernels 

(2) non-pre-emptive kernels 

(3) Both ‘1’ and 2 

(4) Either ‘1’ or 2

(5) None of these 

44. The process of transferring data intended for a peripheral device into a disk, so that it can be transferred to peripheral at a more conveint time or in bulk, is known as 

(1) multiprogramming 

(2) spooling 

(3) caching 

(4) virtual programming 

(5) None of the above

45. When a file contains instructions that can carried out by the computer, it is often caller a(n) …… file. 

(1) data

(2) information 

(3) executable 

(4) application

(5) None of these 

46. Grouping and processing all of a firm’s transactions at one time, is called [IBPS PO 2011]

(1) a database management system 

(2) batch processing 

(3) a real time system 

(4) an on-time system 

(5) None of the above