Operating System MCQ [PDF] Competitive Questions and Answers

Operating system MCQ. Questions and Answers with pdf for competitive exams. Best MCQs Question bank in English. All these question asked in previous year exam paper.

Operating System MCQ

Operating system MCQ
Operating System MCQ

1. DOS stands for_________.

a) Disk operating system   

b) Drive operating system  

c) Disk operation socket    

d) disk open supply

Ans. A

2. Which of the following operating system does not implement the multitasking truly?

a) Window 98          


Ans. b

3. GUI stands for_________.

a) Graphical user interface                       

b) Graphics uniq icon        

c) group user interface                   

d) game user interface

Ans. A

4. UNIX stands for __________.

a) union interface Xerox                            

b) user normal interface    

c) user normal interface                             

d) Unicode information computing system, source      

Ans. D

5. Unix operating system developed in year_____.

a) 1969                      

b) 1981                      

c) 1984                      

d) 1954

Ans. A

6. Ken Thompson and Dennis Ritchie developed an operating system name______

a) MAC                      

b) window     

c) UNIX                     

d) Linux

Ans. C

7. ________ is an open source software.

a) UNIX                     

b) LINUX       

c) Window    

d) MAC

Ans. B

8. The first linux kernel was released in ________.

a) 1991                      

b) 1992                      

c) 1999                      

d) 1984

Ans. A

9. The computer and software system that control the machine is called _______

Ans. Embedded System

10. MAC operating system was developed by ________.

a) Steve jobs          

b) Abhinandan                      

c) sunder pichai                  

d) Dennis Richie

Ans. A

11.The components that process data are located in ________

Ans. System Unit

12. Operating system is the most common type of ________ software.

a) System     

b) Application                      

c) Utility         

d) Symbian

Ans. A

13. Multitasking and multiuser is feature of _____.

a) Linux                    

b) Window    

c) Symbian   

d) Mac

Ans. a

14. The pc and the apple mac are example of ________

a) software   

b) application           

c) company  

d) platforms

Ans. D

15. An operating system is said to be multiuser if more than______ user can work simultaneously.

a) one            

b) two            

c) three                      

d) four

Ans. A

16. The computer and software system that control the machine is __________.

a) control system     

b) embedded system          

c) operating system

d) firmware software

Ans. b

17. Data and program stored in main memory when _________.

a) the processor uses them           

b) computer on                    

c) computer off                    

d) computer connected to internet

Ans. a

18. Computer Process data into info  By working exclusively with _________

a) Codes       

b) Numbers  

c) Programming language

d) Processing language

Ans. b

19. When creating  a computer program, the_________ designs the structure of the program.

a) System Analyst   

b) Compute programmer    

c) Computer designer        

d) Programmer

Ans. a

20. ______is a computer program that directly executes instructions written in a programming or scripting language, without requiring them previously to have been compiled into a machine language program.

a) Compiler  

b) Assembler

c) Language converter       

d) interpreter

Ans. d

21. _________is a computer program that translate and executes program at run time line by line.

a) Compiler  

b) Assembler

c) Language converter       

d) interpreter

Ans. d

22. Inheritance is an  ______Principle.

a) OOP                      

b) Programming      

c) Object oriented    

d) Internet

Ans. a

23.Which one is an example for OS?

A Antivirus               

B Windows              

C MS Office             

D Macromedia

Ans. b

24.Which acts as an intermediate between a user and a computer?

A Macros

B Antivirus

C MS Office

D Operating system

Ans. d

25.Where does the minimized application reside in windows?

A Task bar

B My computer

C My Document

D Recent documents

Ans. a

26.Which control panel applet gives the information of computer?

A System and security

B Hardware and sound

C Programs

D Appearance and personalization

Ans. a

27.What is the extension of applet files in control panel?

A .Ctl             

B .Cpl            

C .Cal            

D .Csl

Ans. b

28.Which is the order of files and directories in Windows Explore?

A Serially

B Sequentially

C hierarchically

D Aplhabtically

Ans. c

29.What steps should be taken, if windows not updated automatically?

A start – control panel – settings – add programs – enable automatic update

B start – setting – control panel – system – enable automatic updated

C re- install windows OS

D restart windows

Ans. b

30.What should be done, if the pen drive is not deducted?

A Device Manger → right click on USB root hub → disable device

B Device Manger → right click on USB root hub → enable device

C Device Manger → right click on USB root hub → scan for hardware changes

D Device Manger → right click on USB root hub → Update drives

Ans. b

31.If there are multiple recycle bin for a hard disk

a) You can set different size for each recycle bin

b) You can make any one of them default recycle bin

Ans. a

32. Identify false statement

a) You can find deleted files in recycle bin

b) You can increase free space of disk by sending files in recycle bin

Ans. b

33. If the displayed system time and date is wrong, you can reset it using

Ans. Control Panel

34. You should save your computer from?

a) Viruses     

b) Time bombs         

c) Worms                  

d) All of these

Ans. d

35. A Microsoft windows is a(n)

Ans. Operating system

36. A co-processor

a) is relatively easy to support in software

b) works with any application

Ans. a

37. Which of the following is a program group?

a) Accessories         

b) Word         

c) Paint         

d) All of these

Ans. a

38. Which of the following is not application software?

a) Windows NT        

b) Page Maker

Ans. a

39. The ____ Program compresses large files into a smaller file

Ans. WinZip

40. Which of the following is an example of a real time operating system?

a) Lynx          

b) MS DOS   

c) Window XP          

d) Process Control

Ans. d

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