Class 9 Computer MCQs Tests

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

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

3. First generation computers used:

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

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

6. Third generation computers used:

7. Which one is a volatile memory?

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

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

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

11. The default MS Word document window name is:

12. Google Chrome is an example of:

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

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

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

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

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

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

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

20. 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?

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

22. 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:

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

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

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

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

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

28. Fourth generation computers use:

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

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

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

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

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

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

35. Slid Rule was developed in 1614 by:

36. Which of the following use more cable?

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

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

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

40. ENIAC stands for:

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

42. MS-DOS was replaced by:

43. A set of processes is deadlock if __________

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

45. UNIX was developed for use on ______.

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

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

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

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

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

51. WI–FI uses:

52. Which interface is based on textual input?

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

54. VLSI stands for :

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

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

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

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

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

60. What do you call a program in execution?

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

62. Second generation computers used:

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

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

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

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

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

68. OCR stands for:

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

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

71. Which of the following is the fastest memory?

72. Which of the following is volatile memory?

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

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

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

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

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

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

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

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

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

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

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

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

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

86. What is the ready state of a process?

87. The solution to attenuation is:

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

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

90. Modulator/Demodulator refers to ________ device.

91. VLC media player is an example of:

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

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

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

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

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

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

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

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

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

101. DVD stands for:

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

103. The types of memories on the motherboard are:

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

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

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

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

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

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

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

111. LAN stands for:

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

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

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

115. ‘Multimodal Authentication’ means:

116. When were IC chips developed?

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

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

119. It loads programs into memory and executes them.

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

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

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

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

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

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

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

127. Which of the following network provides centralized security?

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

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

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

131. It can be viewed as a resource manager.

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

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

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

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

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

137. Who invented logarithm?

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

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

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

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

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

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

144. Which generation of computer used transistor?

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

146. Microsoft introduced the MS-DOS in ______.

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

148. What type of software a device driver is?

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

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

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

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

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

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

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

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

157. It loads programs into memory and executes them.

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

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

160. ‘Pairing’ of devices is done in:

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

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

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

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

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

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

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

168. An operating system is a/an:

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

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

171. A process is a program _________.

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

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

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

175. Antivirus software is an example of:

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

177. It is faster and more expensive than RAM.

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

179. In which generation of computer microprocessor was introduced?

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

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

182. The purpose of twisting the cables is:

183. A device driver is a:

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

185. Assembler is used as a translator for:

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