Class 9 Computer MCQs Tests

1. Which of the following is open source operating system?

2. The purpose of twisting the cables is:

3. Which generation of computer used transistor?

4. Which one is a volatile memory?

5. When the mouse pointer is at extreme left and changes to a right-pointing arrow, which of the following command is used in Word to select the entire document?

6. The name of built-in anti-virus software in Windows 10 is:

___________  is a collection of system software that controls the working of a computer
system.

8. Which of the following interface uses window, icon, menu, and a pointer to interact with computer?

9. Which of the following operating system was introduced in 1969?

10. The processor which can perform all the operations and calculations is called:

11. The default MS Word document window name is:

12. Which of the following tab of Word Ribbon contains Clipboard group?

13. Which folder in Windows is the default folder where the user saves files?

14. Today’s modern digital computers are based on the idea of:

15. A set of processes is deadlock if __________

16. The solution to attenuation is:

17. It can be viewed as a resource manager.

18. In which type of data transmission start/stop bits are used?

19. Microsoft introduced the MS-DOS in ______.

20. Start and stop bits are not used in ______________ transmission.

21.  It is a multi-user CLI operating system.

22. Which of the following malware displays advertisements on the screen?

23. What represents the overall data transmission capacity of a computer network?

24. A transmission impairment that refers to change in shape or frequency of digital signal is ____________.

25. Assembler is used as a translator for:

26. The operating system which processes information and produces response within a specified time is

27. Google Chrome is an example of:

28. Which of the following is not a process state?

29. Cards used to connect additional devices to motherboard are attached via:

30. Novell’s Netware and ProDOS are the examples of:

31. Rate of change of electrical signals per second is called:

32. The period of the first generation computers was from:

33. By operating system, the resource management can be done viav__________.

34. Which one of the following medium transmits data using light waves?

35. Which computer professional has the skills to edit and manipulate audio/video files?

36. In which of the following transmission, time interval between the characters is always same?

37. Software that is used to detect and remove the viruses from the computer is called:

38. The types of memories on the motherboard are:

39. Who is known as the father of modern digital computers?

40. Which of the following command in Excel allows the user to view only certain data in a worksheet based on a condition?

41. Who invented logarithm?

42. WI–FI uses:

43. Which of the following use more cable?

44. The operating system gives full control over a computer system to a person known as:

45. It is faster and more expensive than RAM.

46. VLC media player is an example of:

47. ______ invented the world’s first microprocessor in November 1971.

48. Which one of the following is a communication device?

49. ENIAC stands for:

50. Transmitting and receiving antennas must be with in the line of sight in ____________.

51. In which topology can a Node be easily added?

52. OCR stands for:

53. What do you call a program in execution?

54. It is the main chip on the motherboard that controls all the activities of the computer.

55. A process is a program _________.

56. A device driver is a:

57. Components used for interconnecting dissimilar networks that use different communication protocols.

58. Which of the following device is used for connecting computers together in wireless local area networks?

59. Which of the following is similar between Synchronous and Asynchronous transmission?

60. The communication over telephone line is an example of the following transmission mode:

61. What is a person who uses special tools for breaking into computer systems called?

62. Which one of them is not a non-impact printer?

63. The period of the fourth generation computers is from:

64. The old name of International Business Machines (IBM) was:

65. If the signal to noise ratio is higher than 1:1 that means:

66. Slid Rule was developed in 1614 by:

67. It is a very small amount of extremely fast memory inside the microprocessor or on the motherboard.

68. The storage capacity of a DVD is in the range of:

69. Which of the following operating system allows many users to use a computer at the same time?

70. Which of the following network provides centralized security?

71. Which of the following authentication method is based on features of individual such as face, fingerprint and voice?

72. In which of the following network topology, a switch is required?

73. Which of the following is NOT included in guided media?

74. UNIX was developed for use on ______.

75. It acts as an interface between the computer user and computer.

76. __________ network device is used to connect computers in a wireless local area network.

77. These are the electric pathways printed on the motherboard.

78. In which of the following transmission mode, information is transmitted in both directions but not simultaneously?

79. The period of the second generation computers was from:

80. ‘Pairing’ of devices is done in:

81. In which generation of computer microprocessor was introduced?

82. _________ is a processing system in which jobs are collected, enters into a computer altogether and then computer executes them one by one

83. For installation of Windows 10 operating system, while booting  the computer, make sure DVD is set as the:

84. Which of the following device is used for connecting computers together in wired local area networks?

85. What is used for creating decorative effects in Word?

86. Which one of the following errors will be handle by the operating system?

87. These are used to transmit information between various components of the computer.

88. Which of the following is used for short-distance communication?

89. It is a magnetic storage device used to store computer data.

90. Which of the following Windows icon allows users to access a program, file or folder quickly?

91. It loads programs into memory and executes them.

92. Which of the following is not an example of system software?

93. Which of the following is volatile memory?

94. Which of the following operating system must process information and produce a response within a specified time?

95. Abacus was the earliest calculating device most probably invented in:

96. Security threats are transferred from one system to another due to:

97. The first antivirus software was developed by Bernd Fix in: 

98. Slide rule was replaced by electronic pocket calculator in the early: 

99. Which software is distributed free of cost for a limited period as a trial version?

100. What type of software a device driver is?

101. In which of the following impairment, the strength of signal falls off with distance?

102. Which one of the following refers to the setting of margins, tab positions and line spacing in MS Word?

103. Which of the following is not the state of a process?

104. Which of the following Windows icon allows users to access the contents of computer drives and manage files and folders?

105. Which of the following network is used to provide Cable TV and Internet services?

106. Which of the following authentication method is used for opening security gates?

107. Fourth generation computers use:

108. LAN stands for:

109. MS-DOS was replaced by:

110. Which of the following communication device is used to connect two different types of networks?

111. A term that defines the direction of flow of information between devices.

112. Which transmission media uses light waves for transmitting information?

113. Which of the following is NOT a communication device?

114. Which of the following is designed to control the operations of a computer?

115. An alternative of mouse present in laptop computers is:

116. Which one of the following provides high speed internet connection?

117. Which of the following provides high speed Internet connection?

118. It loads programs into memory and executes them.

119. The period of the third generation computers was from:

120. It is a pointing device with a vertical lever mounted on a base.

121. Which of the following shortcut keys are used for pasting selected text?

122. Which of the following authentication methodology is used to draw cash from ATM?

123. In which of the following operating system, CPU is switched rapidly between all the programs to simultaneously execute all of them?

124. The software which can convert an image of text into a text file that can be edited is known as:

125. What feature would an author use while writing a document to add and external link to a website in MS-Word?

126. How many pairs of computers can communicate simultaneously on LAN?

127. Which one of the following is an absolute cell reference in MS Excel?

128. Flight Gear (flight simulator) is an example of:

129. Which of the following is not a type of computer on the basis of operation?

130. If an electrical signal has four states then it will _________ the bit transfer rate.

131. DVD stands for:

132. Which of the following command is used to apply formatting to one or more cells based on the value of the cell?

133. VLSI stands for :

134. A light-sensitive device that converts drawing, printed text, or other printed images into digital form is:

135. When were IC chips developed?

136. To create a new folder in Windows Explorer simply press the following keys:

137. Which of the following is known as main memory or primary memory of computer?

138. The process of converting digital signals into analog signals is called:

139. ______________ are used for solving complex application such as Global Weather Forecasting.

140. First generation computers used:

141. Which of the following command in Excel restricts user from entering wrong data in cells of a worksheet?

142. Which of the following tab contains the commands for creating charts in Excel?

143. The process of converting analog signals into digital signals is called:

144. Antivirus software is an example of:

145. What is making illegal copies of copyright software for use on other computers or sale called?

146. They normally interact with the system via the user interface provided by the application software.

147. Which of the following software is used for creating professional documents?

148. All the input/output devices are connected to the:

149. By default how many tabs are there in Word Ribbon?

150. Which storage device has the fastest read/write access?

151. _________ is difficult to use because users have to remember the commands to perform any task.

152. Modulator/Demodulator refers to ________ device.

153. Which one of the following is open-source software?

154. Which of the following is the fastest memory?

155. Television broadcasting is an example of following transmission mode:

156. Rate of change of electrical signals per second is called:

157. Which software is given free of cost for an unlimited period of time.

158. _____________ is designed to solve a specific problem or to do a specific task.

159. Third generation computers used:

160. Who is responsible for protecting information and information systems from unauthorized people in an organization?

161. It refers to the physical components that make up a computer system.

162. ____________ is the set of rules between the two communicating devices.

163. Which malware spreads automatically in computer networks and replicates itself

164. Which of the following computer supports thousands of users at the same time?

165. What is the ready state of a process?

166. ‘Multimodal Authentication’ means:

167. The purpose of using this memory is to improve the processing speed of computer.

168. Which one of the following operating system is suitable for tasks where large amount of data has to be collected and processed on regular basis:

169. Which of following network connects computers across cities, countries and continents?

170. In which of the following network, every computer can act as a client, server, or both at the same time?

171. Which of the following network topology uses a device called terminator?

172. Which of the following malware gathers information about user activities on computer?

173. Which of the following topology is most expensive to implement?

174. Which of the following computer shares resources on a network for others to use?

175. Which of the following is used in airline traffic control system?

176. Which is the correct association between a computer hardware component and a computer function?

177. Which interface is based on textual input?

178. Which of the following authentication method is most reliable?

179. An operating system is a/an:

180. What is a person who illegally breaks into others’ computer systems called?

181. It is a single user and single task operating system.

182. Which of the following user interface is the easiest one to learn and use?

183. ‘D6’ with reference to a spreadsheet means:

184. Second generation computers used:

185. Which of the following impairment refers to undesired signals that enter the path of the transmitted signal due to electromagnetic radiation?

186. Which of the following device forwards information from one network to another by selecting the best pathway available?