Computer Operating System MCQ | Computer Operator Loksewa Preparation PDF Notes

1. DOS stands for_________.

a) Disk operating system b) Drive operating system

c) Disk operation socket d) disk open supply

Ans. A

2. In a single unit of computer we can use more than _______OS But at a time we may run only

one OS.

Ans. 1

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) Assemblerc) Language converter d) interpreter

Ans. d

Computer Operating System MCQ | Operating System MCQS PDF

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

a) Compiler b) Assemblerc) 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

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

a) Window 98 b) MS DOS

Ans. b

42. Which of the following windows version support 64 bit processor?

a) window 98 b) window XP

Ans. b

43. What program runs first after computer is booted and loading GUI?

a) Desktop manager b) Authentication

Ans. b

44. Which of the following operating system is better for implementing a client-server network

a) MS DOS b) Windows 2000

Ans. b

45. Which is the latest version of MS windows?

a) Window 2008 b) Windows 10

Ans. b

46. Which operating system doesn’t support networking between computers?

a) Windows 3.1 b) Windows 95

Ans. a

47. Which of the following does not support more than one program at a time?

a) DOS b) Linux

Ans. a

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

a) DOS b) Oracle

Ans. b

49. Linux is a(n)____ operating system.

Ans. Open source

50. Which operating system can you give smallest file name?

a) Windows b) DOS

Ans. b

51. Which one is not operating system?

a) P11 b) OS/2

Ans. a

52. Which of the following is not a multitasking operating system?

a) Windows b) DOS

Ans. b

53. You should choose sleep option when

a) The computer is tired after working for the whole day

b) You are leaving for a very short time and want to resume you work shortly

Ans. b

54. The ____ displays the name of every computer user on the computer

a) Wish list screen b) Welcome screen

Ans. b

55. The category of software most appropriate for controlling the design and layout of complex

document like newsletters and brochure is:

a) Word Processing b) Computer aided design

Ans. a

56. Which one is not a system tool?

a) Backup

b) Virus scanning

Ans. c

57. The memory which allocated space for DOS and application is called

Ans. Conventional memory

58. The operating system creates ____ from the physical computer.

Ans. Virtual computers

59. Which mode loads minimal set of drivers when starting windows?

a) Safe mode

b) Normal mode

Ans. a

60. Which of the following are loaded in Safe mode?

a) Keyboard driver b) Mouse driver c) VGA drive d) All of these

Ans. d

61. A ____ is a named location on a disk where files are stored

Ans. Folder

62. Which type of command requires additional files to perform specific operations?

Ans. External commands

63. Which of the following is system software?

a) Operating system b) Compiler c) Utilities d) All of these

Ans. d

64. A user interface that is easy to use is considered to be

a) User happy b) User simple c) User friendly d) None of these

Ans. c

65. The ____ is the drive containing the files to be copied

a) Source drive b) Destination drive

Ans. a

66. The most recent version of MAC OS is based on the ____ operating system.

a) Windows b) Linux c) UNIX d) CMOS

Ans. c

67. In windows, start button is used to

a) Run applications b) Device setting c) Turn off system d) All of these

Ans. d

68. Which one is true for unconditional disk formatting?

a) Destroys every byte of data on a disk by overwriting it with blank spaces

b) Do not check/scan surface after format

Ans. a

69. Once text has been cut to the clipboard, you can _____ that text into another document

Ans. Paste

70. Which of the following operating system reads and reacts in actual time?

a) Quick Response system

b) Real Time System

Ans. b

71. All of the following are True regarding virtual memory except

a) Any amount of RAM can be allocated to virtual memory

b) The setting for the amount of hard disk drive space to allocate virtual memory can be manually

change

c) This temporary storage is called the swap file or page

d) Virtual memory is the physical space of the hard drive

Ans. a

72. The essential difference between an operating system like linux and one like windows is that

a) Any programmer can modify linuxcode which is not permitted with windows

Ans. b

73. The Basic Input Output System (BIOS) resides in _____

Ans. ROM

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These Questions Prepared by: SONU (Heetson)

74. Which of the following does not occur during the Power-on-self-test (POST)?

a) The scan disk utility begins to run

b) The video card and video memory are tested

Ans. a

75. Recently deleted files are stored in____.

Ans. Recycle bin

76. Which components appear in the initial Windows start up display?

a) Dialog box b) Taskbar

Ans. b

77. A small part of taskbar that has icons of background running application is

a) Task bar b) System tray

Ans. b

78. An operating system version designed for use with a media center PC is Microsoft WindowsXP

a) Home edition b) Media center edition

Ans. b

79. An operating system version designed for use with a tablet PC is Microsoft Windows XP

a) Home edition b) Tablet PC edition

Ans. b

80. ____ runs on a computer hardware and serves as a platform for other system to run on

Ans. Operating system

81. Which is the first program run on a computer when the computer boots up?

Ans. Operating system

82. The _____ contains commands associated with the my computer window

a) Start menu b) System menu

Ans. b

83. _____ is the layer of a computer system between the hardware and the user program

Ans. Operating system

84. When you start up the computer the boot up storage at which the BIOS version manufacturer

and data are displayed on the monitor is called

Ans. Power on self test (POST)

85. The operating system is the most common type of ____ software

Ans. System

86. Which of the following is not essential to shut down your computer?

a) Save all opened files b) Switch off monitor

Ans. b

87. You can move window to a different position on your screen by dragging it by its_____

Ans. Move handle

88. A bar that inform you that available options in your computer, opened applications, background

running applications and can be used to switch between applications quickly is ______

Ans. Task bar

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89. Which components appear in the initial windows start up display?

a) Task bar b) Start menu

Ans. a

90. Taskbar is used for

a) Navigation program b) Switching between program c) Start a program d) All of these

Ans. d

91. How to install the new font in window XP

Ans. Start > setting > control panel > font > Install new font

92. When a peripheral device needs immediate attention from the operation system, it generates a

a) Spool b) Interrupt

Ans. b

93. Windows displays various options to shut down. Which is suitable at the end of day?

a) shut down b) Restart

Ans. a

94. Which shutdown method is often called warm boot?

Ans. Restart

95. _____ is most often done after fixing a problem, adding a new program or making

configuration change

Ans. Restart

96. _____is a compromise mode between shut down and sleep mode because it does not

consume power and remembers the current state of your desktop

Ans. Hibernate

97. You should choose this mode if you don’t know how long you won’t use your computer but

want to have the same desktop state when you resume

Ans. Hibernate

98. The category of operating system that you most likely have running on your PDA computer is a

_____ Operating system

Ans. Single user, single task

99. Running multiple program at the same time is called:

Ans. Multitasking

100. What is the meaning of “Hibernate” in Windows XP/Windows 7?

Ans. Shutdown the computer without closing the running applications

101. What do you mean by dialog box?

a) Interactive message box b) Group of options

c) set of controls d) All of these

Ans. d

102. To properly exit Windows

a) Click the stop button on the desktop b) Select shut down from Start menu

Ans. b

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103. Which is not a system tool?

a) Folder b) Backup

Ans. a

104. A utility that can be used to minimize the number of fragmented files and enhance the speed

a) Disk space b) Defrag

Ans. b

105. How can you optimize performance of your computer?

a) Delete unused files b) Defrag disk c) Scan for virus d) All of these

Ans. d

106. Recently used application file list appears in the Windows operating system

a) Setting menu b) Documents menu

Ans. b

107. The title bar always displays on

Ans. Top of the open windows

108. Booting means

Ans. Restarting computer

109.When you open my computer on desktop you see the information of

a) Hard disk b) CD

c) Removable disk d) All of these

Ans. d

110. _____ is an intermediate storage for deleted files

Ans. Recycle bin

111. We can start the application from?

a) Network place b) Run

Ans. b

112. Which of the following is not process states?

a) New

b) Running

c) Ready

d) Finished

Ans. d

113. Save operation mean____

Ans. Put data into secondary storage

114. A spooler is a

Ans. Program that coordinates the print job that are waiting to process

115. The problem with ____ file is that they slow your computer’s operation

a) Fragmented

b) Formatted

Ans. a

116. User action such as keystroke or mouse click are referred to as

Ans. Event

117. What is the method of handling deadlocks?

a) Use a protocol to ensure that the system will never enter a deadlock state

b) Allow the system to enter the deadlock state and then recover

c) Pretend that deadlocks never occur in the system

d) All of these

Ans. d

118. To display a shortcut menu for an object you use

Ans. Right click the object

119. Which of the following separate primary file and extension is

a) Dot b) Period c) Point d) All of these

Ans. d

120. In Microsoft windows, the graphical pattern on the desktop used as background for windows

is______

Ans. Wall paper

121. All of the following are task performed by the operating system except

a) Managing hardware on the computer

b) Controlling the access that application program has to the CPU

c) Performing housekeeping task like file compression and disk defragmentation

d) Provide an interface for user to interact with computer

Ans. c

122. Which of the following is not a Operating system?

a) CP/M

b) Pascal

Ans. b

123. Operating system is like a

a) Government

b) Parliament

Ans. a

124. Underlined character on the menu or dialog box known as

a) Hot spot b) Hot key

Ans. b

125. Start/ Restart the computer is called

Ans. Boot

126. Which file is transferred when computer is start up?

Ans. System files

127. Which is built directly on the hardware?

Ans. Operating system

128. _____ system is built directly on the hardware

Ans. Operating

129. The Purpose of Run command in start menu is to

Ans. Start Programs

130. You can select My computer icon and press Alt + Enter to

Ans. Open System Properties dialog box

131. Generally quick launch toolbar is displayed on

Ans. The left side of taskbar

132. Which file system Windows 95 typically use?

a) FAT 16 b) FAT 32

Ans. b

133. Which of the following is not a mode in starting Windows?

a) Command Prompt b) Safe Mode c) Normal Mode d) Turbo Mode

Ans. d

134. Which is the default mode for Windows to start?

Ans. Normal mode

135. NTFS stands for

Ans. New Technology File System

136. Which of the following is not the function of Operating System?

a) Resource Management b) File management

c) Networking d) Processor Management

Ans. c

137. The following applications may appear on system tray except

a) System Clock b) Volume Control c) Network Connection d) MS Office Suite

Ans. d

138. What is the default location of saving and opening file?

Ans. My documents

139. The OS used to operate the mobile phone is a

Ans. Embedded OS

140. UNIX operating system is a(n)

a) Time sharing operating system b) Multi-user operating system

c) Multi-tasking operating system d) All of these

Ans. d

141. The ability of an operating system to control the activities of multiple program at the same

time is called _____

Ans. Multitasking

142. _____ is used in operating system to separate mechanism from policy

a) Single level implementation

b) Two level implementation

Ans. b

143. Which Operating system doesn’t support long file names?

a) OS/2 b) Windows 95

c) MS DOS d) Windows NT

Ans. c

144. We need system files to run

Ans. MS word b) MS Excel c) MS DOS d) MS Access

Ans. c

145. What is the function of folder?

a) Save files b) Delete files c) Move files d) All of these

Ans. d

146. Which button might you find in a Windows title bar?

a) Close button b) Maximize button c) Minimize button d) All of these

Ans. d

147. Press the ____ button to have the window fill the entire screen

Ans. Maximize

148. Which windows features can be accessed from the start menu?

a) Help b) Window Explorer c) Microsoft Network d) All of these

Ans. d

149. _____ are list of commands that appear on the screen

Ans. Menus

150. A real time operating system in most likely to be used for which of the following task

a) Controlling access to a shared printer in a network

b) Controlling the fuel injections system of an automobile engines

Ans. b

151. An operating system is a program or a group of programs that

a) Helps in checking the spelling of word

b) Manages the resources of the computer

Ans. b

152. What is the function of an operating system?

a) Manages computer’s resources very efficiently

b) Takes care of scheduling jobs for execution

c) Manages the flow of data and instructions

d) All of these

Ans. d

153. The Primary job of the operating system is

a) Mange Commands b) Manage Resources

Ans. b

154. _____ is a new windows features that offers a number of methods for searching for a file or

folder?

Ans. Find

155. When we double click on my computer

Ans. Show the list of your computer drive

156. Which of the following is the part of the operating system?

a) Cell b) FAT c) Kernel d) Disk

Ans. c

157. The Operating feature the integrates the file created in different application into WebPages

Ans. Web integration

158. Operating system manages

a) Memory b) Processor c) I /O devices d) All of these

Ans. d

159. Use of icons and windows are characteristics of _____ interface.

Ans. Graphical user

160. Windows can run _____

a) One application only b) Two application c) Four application d) All of these

Ans. d

161. Fonts install from

a) Add from control panel b) Font setup file

c) Font.exe file d) All of these

Ans. d

162. Which is not concerned with control panel?

a) Printer b) Run application c) Font d) Keyboard

Ans. b

163. Press ____ key while booting to display Advanced Boot Menu

Ans. F8

164. Multiprogramming systems_____

Ans. Execute more jobs in the same time period

165. Which of the following appear in Windows menu bar?

a) Help b) File c) Edit d) All of these

Ans. d

166. The operating system allows the user to organize the computer’s contents in a hierarchical

structure of directories that include all of the following except:

a) Files b) Folders c) Drives d) System

Ans. d

167. Desktop is a

a) Provides work space

b) Display program

Ans. a

168. Which of the following is not a system tool?

a) Scandisk b) Drive space

c) Disk defragmenter d) Doskey

Ans. d

169. The program that is responsible for loading the operating system into RAM is called

Ans. Bootstrap program

170. System files allocated at

Ans. Boot area

171. _____ transforms one interface into other inrerface

a) Program b) Software c) Data d) None

Ans. b

172. _____ interface consists of thing like program counter, register, interrupts and terminal

Ans. Hardware

173. _____ show characteristics with both hardware and software

Ans. operating system

174. Which of the following resources must be protected by the operating system?

a) I /O b) Memory c) CPU d) All of these

Ans. d

175. Font folder is located on

Ans. Control Panel folder

176. From where do you change mouse setting?

Ans. Control Panel > Mouse

177. Part of the POST process in to ensure that the test of essential peripheral device coincides

with the hardware configuration that stored in

Ans. CMOS

178. The memory resident portion of operating system is called the

Ans. Kernel

179. Boot startup process

Ans. Loads system files to RAM

180. Small pictures appear on the desktop is called

Ans. Icon

181. A graphical user interface displays

a) Graphics b) Text c) Both A and B

Ans. c

182. To change the screen saver you can go from

a) Control panel display

b) Right click in desktop and properties

c) Both A and B

Ans. c

183. You can add or remove program from

Ans. Add/Remove program from control panel

184. An embedded object might appear in a document as

Ans. Embedding

185. When a computer is first turned on or restarted, a special type of absolute loader called

Ans. Bootstrap loader

186. In which type of the OS, the response time is very crucial.

Ans. Real time Operating system

187. Which of the following is a correct association between a vendor and an operating system

a) Redhat Linux

b) Microsoft Unix

Ans. a

188. ______ controls the way in which the computer system functions and provides a means by

which users can interact with the computer

Ans. The Operating system

189. Which one of the following is not a layer of operating system?

a) Kernel b) Shell

c) Application program d) Critical selection

Ans. d

190. Which is not the function of the operating system?

a) Memory management b) Disk management

c) Application management d) Virus protection

Ans. d

191. Internet Explorer is

a) An internet browser b) Provided by Windows OS

c) An access point for World wide web d) All of these

Ans. d

192. The windows feature is the ability of computer to automatically configure a new hardware

component is that

Ans. Plug and play

193. Which of the following is not a part of the control panel?

a) Date and time b) My documents c) Add or remove program d) Display

Ans. b

194. The _____ provides information about hardware installation, configuration and hardware

status

Ans. Device manager

195. A program in execution is called____

Ans. A Process

196. When was MS Windows operating system introduced?

Ans. 1985

197. The First operating system was developed in

Ans. 1956

198. The maximum length of any single path from the root directory

Ans. 63

199. The part of machine level instruction, which tells the central processor that has to be done, is

Ans. Operation code

200. A system program that combined modules of a program into a form suitable for execution

Ans. Linking loader

201. Process is

Ans. A program in execution

202. Addressing structure

Ans. Defines the fundamental method of determining effective operand addresses

203. Supervisor state is

Ans. only allowed to the operating system

204. User-Friendly Systems are:

a) easy to develop

b) Becoming more common

Ans. b

205. A system program that sets up an executable program in main memory ready for execution is

Ans. Loader

206. Which of the following are loaded into main memory when the computer is booted?

Ans. internal command instructions

207. What is the name given to the organized collection of software that controls the overall

operation of a computer?

Ans. Operating system

208. System generation:

Ans. various in difficulty between systems

209. What is the name of the operating system for the laptop computer called MacLite?

Ans. OZ

210. Memory management is:

Ans. critical for even the simplest operating system

211. What is the name given to all the programs inside the computer with makes it usable?

Ans. System software

212. Which of the following is characteristic of an operating system?

a) resource management b) error recovery

c) memory management d) All of these

Ans. d

213. Capacity planning is independent of the

Ans. Operating system

214. What is the name of the operating system that reads and reacts in terms of actual time.

Ans. Real time system

215. The operating system of a computer serves as a software interface between the user and___

Ans. Hardware

216. When you rename a file five times then the number of file in the disk is

a) 1 b) 2 c) 3 d) 5

Ans. a

1. CUI stands for__________.

a) code unit interface b) character user interface

c) company unit information d) command unit interface

2. A Translator is described as _______ software.

a) System

b) utililty

3. MAC operating system was developed in _________ .

a) 1985 b) 1984

c) 1999 d) 1981

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

a) Applications b) microsoft office c) desktop d) operating system

5. ________ is the program that is used to find out possible faults and their causes.

a) system b) application c) diagnostic software d) ubantu

6. What is meant by dedicated computer

a) Which is assigned one and only one task. b) which can do work separately

c) which is complete computer d) which can do work fast

7.What is the function of OS?

A calculation

B word processing

C drawing pictures

D process & memory management

8.Which tool in control panel is used to adjust your computer setting to control computer with voice

command?

A System and security

B Appearance and personalization

C Hardware and sound

D Ease of access

9.Which shortcut key is used to copy and paste a file folder?

A Ctrl+ X and Ctrl + V

B Ctrl + A and Ctrl + V

C Ctrl + Z and Ctrl + V

D Ctrl + C and Ctrl + V

10.Which shortcut key is used to refresh windows desktop?

A F1

B F2

C F5

D F12

11.Where does the pinned application stayed in Windows OS?

A Desktop

B Notification Area

C Start Button

D Task Bar

Computer Operating System MCQ | Operating System MCQS PDF

12. My computer was introduced from______

a) window 3.1 b) windows 3.11

c) windows 98 d) windows 95

13. A _____ is a flash memory storage device that plugins into a USB port

a) USB snap drive b) USB flash drive

c) USB memory maker drive d) All of these

14. The date and time displays on

a) Taskbar b) Status bar c) System tray d) Launch pad

15. Who is called a supervisor of computer activity?

a) Memory b) Operating system c) I / O Devices d) Control Unit

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