Computer 151-200 MCQs

Computer

151. Which of the following contains permanent data and gets updated during the processing of transactions?

a. Operating System File

b. Transaction File

c. Software File

d. Master File

152. A modem is connected to ________ ?

a. a telephone line

b. a keyboard

c. a printer

d. a monitor

153. Large transaction processing systems in automated organizations use ________ ?

a. Online processing

b. Batch processing

c. Once-a-day processing

d. End-of-day processing

154. Which of the following is not a storage medium?

a. Hard disk

b. Flash drive

c. DVD

d. Scanner

155. The computer abbreviation KB usually means _______ ?

a. Key Block

b. Kernel Boot

c. Kilo Byte

d. Kit Bit

156. The typical computer criminal is a(n) ________ ?

a. Young hacker

b. Trusted employee with no criminal record

c. Trusted employee with a long, but unknown criminal record

d. Overseas young cracker

157. The common name for the crime of stealing passwords is ________ ?

a. Jacking

b. Identify theft

c. Spoofing

d. Hacking

158. Collecting personal information and effectively posing as another individual is known as the crime of ________ ?

a. Spooling

b. Identity theft

c. Spoofing

d. Hacking

159. Malicious software is known as ________ ?

a. Badware

b. Malware

c. Maliciousware

d. Illegalware

160. A program that performs a usual task while simultaneously allowing destructive acts is a ________ ?

a. Worm

b. Trojan horse

c. Virus

d. Macro virus

161. An intentionally disruptive program that spreads from program to program or from disk to disk is known as a ________ ?

a. Trojan horse

b. Virus

c. Time bomb

d. Time-related bomb sequence

162. In 1999, the Melissa virus was a widely publicized: ________ ?

a. E-mail virus

b. Macro virus

c. Trojan horse

d. Time bomb

163. What type of virus uses computer hosts to reproduce itself?

a. Time bomb

b. Worm

c. Melissa virus

d. Macro virus

164. The thing that eventually terminates a worm virus is a lack of:

a. Memory or disk space

b. Time

c. CD drives space

d. CD-RW

165. When a logic bomb is activated by a time-related event, it is known as a ________ ?

a. Time-related bomb sequence

b. Virus

c. Time bomb

d. Trojan horse

166. What is the name of an application program that gathers user information and sends it to someone through the internet?

a. Virus

b. Spybot

c. Logic bomb

d. Security patch

167. ________ is the measurement of things such as fingerprints and retinal scans used for security access?

a. Biometrics

b. Bio measurement

c. Computer security

d. Smart weapon machinery

168. What is the most common tool used to restrict access to a computer system?

a. User logins

b. Passwords

c. Computer keys

d. Access-control software

169. Hardware or software designed to guard against unauthorized access to a computer network is known as a(n) ________ ?

a. Hacker-proof program

b. Firewall

c. Hacker-resistant server

d. Encryption safe wall

170. The scrambling of code is known as ________ ?

a. Encryption

b. a firewall

c. Scrambling

d. Password proofing

171. To prevent the loss of data during power failures, use a(n) _________ ?

a. Encryption program

b. Surge protector

c. Firewall

d. UPS

172. ________ is defined as any crime completed through the use of computer technology?

a. Computer forensics

b. Computer crime

c. Hacking

d. Cracking

173. ________ refers to electronic trespassing or criminal hacking?

a. Cracking

b. Jacking

c. Spoofing

d. Smarming

174. The first electronic computer was developed by ________ ?

a. J.V. Attansoff

b. Bill Gates

c. Simur Cray

d. Winton Serf

175. ________ computers operates essentially by counting?

a. Portable computer

b. Hybrid computer

c. Analog computer

d. Digital computer

176. ________ computer is small general purpose micro computer, but larger than portable computer?

a. Hybrid

b. Digital

c. Desktop

d. Laptop

177. Cathode Ray Tube is a form of ________ ?

a. Keyboard

b. Mouse

c. Monitor

d. Mother board

178. ________ computer is a medium sized computer?

a. Micro

b. Mainframe

c. Super

d. Mini

179. ________ computer are of large size?

a. Micro

b. Mainframe

c. Super

d. Mini

180. Note book, laptop, palm, hand-held computers are coming under the category of ________ computer?

a. Digital computer

b. Mainframe computer

c. Portable computer

d. Hybrid computer

181. Touch Screen is ________ ?

a. Input device

b. Output device

c. Both A & B above

d. None of these

182. ________ are used for plotting graphs and design on papers?

a. Trackball

b. Joystick

c. Light pen

d. Plotters

183. ________ are specific to users' needs?

a. System software

b. Application software

c. Assemblers

d. Compilers

184. "MAN" stands for ________ ?

a. Maximum Area Network

b. Minimum Area Network

c. Main Area Network

d. Metropolitan Area Network

185. Which of the following is a network topology?

a. LAN

b. WAN

c. MAN

d. BUS

186. VOIP stands for ________ ?

a. Voice Over IP

b. Video Over IP

c. Viruses Over IP

d. Virtual Over IP

187. LAN stands for ________ ?

a. Limited Area Network

b. Logical Area Network

c. Local Area Network

d. Large Area Network

188. ________ are set of rules and procedures to control the data transmission over the internet?

a. IP address

b. Domains

c. Protocol

d. Gateway

189. NOS stands for ________ ?

a. Node Operating System

b. Non-open software

c. Network Operating System

d. Non-operating software

190. ________ are system software to facilitate editing of text and data?

a. MS Word

b. Editors

c. Power Point

d. MS publisher

191. Computers, combine both measuring and counting, are called ________ ?

a. Analog

b. Digital

c. Hybrid

d. All of these

192. In world today, most of the computers are ________ ?

a. Digital

b. Hybrid

c. Analog

d. Complex

193. Physical structure of computer is called ________ ?

a. Software

b. Hardware

c. Human ware

c. All of these

194. In which type of computer, data are represented as discrete signals?

a. Analog Computer

b. Digital Computer

c. Both

d. Hybrid Computer

195. C' in CPU denotes ________ ?

a. Central

b. Common

c. Convenient

d. Computer

196. Which of the following uses a handheld operating system?

a. Supercomputer

b. Personal computer

c. Laptop

d. PDA

197. To display the contents of a folder in Windows Explorer you should:

a. Click on it

b. Collapse it

c. Name it 

d. Give it a password

198. The CPU comprises of Control, Memory and ________ units?

a. Microprocessor

b. Arithmetic/Logic

c. Output

d. ROM

199. A(n) _________ appearing on a web page opens another document when clicked.

a. anchor

b. URL

c. hyperlink

d. reference

200. ________ is a windows utility program that locates and eliminates unnecessary fragments and rearranges files and unused disk space to optimize operations?

a. Backup

b. Disk cleanup

c. Disk Defragmenter

d. Restore

Computer 101-150 MCQs

Computer

101. RAM can be treated as the ________ for the computer's processor?

a. factory

b. operating room

c. waiting room

d. planning room

102. Which of the following are the functions of a operating system?

a. Allocates resources

b. Monitors Activities

c. Manages disks and files

d. All of the above

103. To move a copy of file from one computer to another over a communication channel is called?

a. File transfer

b. File encryption

c. File modification

d. File coping

104. The primary function of the ________ is to set up the hardware and load and start an operating system?

a. System Programs

b. BIOS

c. CP

d. Memory

105. What kind of memory is both static and non-volatile?

a. RAM

b. ROM

c. BIOS

d. CACHE

106. ________ is computer software designed to operate the computer hardware and to provide platform for running application software?

a. Application software

b. System software

c. Software

d. None of these

107. The ________ is the amount of data that a storage device can move from the storage medium to the Computer per second?

a. data migration rate

b. data digitizing rate

c. data transfer rate

d. data access rate

108. A device, which is not connected to CPU, is called as ________ ?

a. land-line device

b. On-line device

c. Off-line device

d. Device

109. What is the other name for programmed chip?

a. RAM

b. ROM

c. LSIC

d. PROM

110. On-line real time systems become popular in ________ generation?

a. First Generation

b. Second Generation

c. Third Generation

d. Fourth Generation

111. You use a(n) ________ such as a keyboard or mouse, to input information?

a. output device

b. input device

c. storage device

d. processing device

112. ________ is the ability of a device to "jump" directly to the requested data?

a. Sequential access

b. Random access

c. Quick access

d. All of the above

113. ________ provides process and memory management services that allow two or more tasks, jobs, or programs to run simultaneously?

a. Multitasking

b. Multithreading

c. Multiprocessing

d. Multicomputing

114. The task of performing operations like arithmetic and logic operations is called ________ ?

a. Processing

b. Storing

c. Editing

d. Sorting

115. ALU and Control Unit jointly known as ________ ?

a. RAM

b. ROM

c. CPU

d. PC

116. RAM is an example of ________ ?

a. Secondary memory

b. Primary memory

c. Both A and B

d. None

117. Magnetic disk is an example of ________ ?

a. Secondary memory

b. Primary memory

c. Main memory

d. Both A and B

118. Which one of the following is NOT a computer language?

a. MS-Excel

b. BASIC

c. COBOL

d. C++

119. ________ Store data or information temporarily and pass it on as directed by the control unit?

a. Address

b. Register

c. Number

d. Memory

120. Select the Odd one from the following _______ .

a. Operating system

b. Interpreter

c. Compiler

d. Assembler

121. A ________ is an additional set of commands that the computer displays after you make a selection from the main menu?

a. dialog box

b. submenu

c. menu selection

d. All of the above

122. COBOL is an acronym for ________ ?

a. Common Business Oriented Language

b. Computer Business Oriented Language

c. Common Business Operated Language

d. Common Business Organized Language

123. All of the following are examples of real security and privacy risks EXCEPT ________ ?

a. hackers

b. spam

c. viruses

d. identity theft

124. Which of the following is NOT one of the four major data processing functions of a computer?

a. gathering data

b. processing data into information

c. analyzing the data or information

d. storing the data or information

125. All of the following are examples of storage devices EXCEPT ________ ?

a. hard disk drives

b. printers

c. floppy disk drives

d. CD drives

126. The CPU and memory are located on the ________ ?

a. expansion board

b. motherboard

c. storage device

d. output device

127. ________ is the science that attempts to produce machines that display the same type of intelligence that humans do?

a. Nanoscience

b. Nanotechnology

c. Simulation

d. Artificial intelligence (Al)

128. When creating a computer program, the ________ designs the structure of the program?

a. End user

b. System Analyst

c. Programmer

d. All of the above

129. Computers process data into information by working exclusively with ________ ?

a. Multimedia

b. Word

c. Numbers

d. Characters

130. Computers manipulate data in many ways, and this manipulation is called ________ ?

a. upgrading

b. processing

c. batching

d. utilizing

131. The ability to recover and read deleted or damaged files from a criminal's computer is an example of a law enforcement speciality called ________ ?

a. Robotics

b. Simulation

c. Computer forensics

d. Animation

132. Where does most data go first with in a computer memory hierarchy?

a. RAM

b. ROM

c. BIOS

d. CACHE

133. The ________ data mining technique devices rules from real-world case examples?

a. Rule discover

b. Signal processing

c. Neural nets

d. Case-base reasoning

134. ________ are used to identify a user who returns to a Website?

a. Cookies

b. Plug-ins

c. Scripts

d. ASPs

135. Codes consisting of lines of varying widths or lengths that are computer-readable are known as _________ ?

a. an ASCII code

b. a magnetic tape

c. an OCR scanner

d. a bar code

136. Why is it unethical to share copyrighted files with your friends?

a. It is not unethical, because it is legal

b. It is unethical because the files are being given for free

c. Shared copyrighted files without permission breaks copyright laws

d. It is not unethical because the files are being given for free

137. Reusable optical storage will typically have the acronym ________ ?

a. CD

b. DVD

c. ROM

d. RW

138. The most common type of storage devices are _________ ?

a. Magnetic storage

b. Flash memory

c. Optical

d. Both A and B

139. A device that connects to a network without the use of cables is said to be ________ ?

a. Distributed

b. Free

c. Centralized

d. None of these

140. A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a _________ ?

a. Hacker

b. Spammer

c. Instant messenger

d. Programmer

141. To access properties of an object, the mouse technique to use is ________ ?

a. Dragging

b. Dropping

c. Right-clicking

d. Shift-clicking

142. A DVD is an example of a (n) ________ ?

a. hard disk

b. optical disc

c. output device

d. solid-state storage device

143. The process of transferring files from a computer on the Internet to your computer is called ________ ?

a. Downloading

b. Uploading

c. FTP

d. JPEG

144. ASCII is a coding system that provides ________ ?

a. 256 different characters

b. 512 different characters

c. 1024 different characters

d. 128 different characters

145. Which part of the computer is directly involved in executing the instructions of the computer program?

a. The scanner

b. The main storage

c. The secondary storage

d. The processor

146. When a computer is switched on, the booting process performs ________ ?

a. Integrity Test

b. Power-On Self-Test

c. Correcting Functioning Test

d. Reliability Test

147. A computer system that is old and perhaps not satisfactory is referred to as a(n) ________ ?

a. Ancient system

b. Historical system

c. Age old system

d. Legacy system

148. Which of the following is not a binary number?

a. 001

b. 101

c. 202

d. 110

149. Which of the following does not store data permanently?

a. ROM

b. RAM

c. Floppy Disk

d. Hard Disk

150. Which of the following is the smallest storage?

a. Megabyte

b. Gigabyte

c. Terabyte

d. None of these

Computer 51-100 MCQs

Computer

51. What characteristic of read-only memory (ROM) makes it useful?

a. ROM information can be easily updated

b. Data in ROM is non-volatile, that is, it remains there even without electrical power

c. ROM provides very large amounts of inexpensive data storage

d. ROM chips are easily swapped between different brands of computers

52. What do you call the programs that are used to find out possible faults and their causes?

a. Operating system extensions

b. Cookies

c. Diagnostic software

d. Boot diskettes

53. Which programming languages are classified as low level languages?

a. BASIC, COBOL, Fortran

b. Prolog

c. C, C++

d. Assembly languages

54. Which of the following is not anti-viruses software?

a. Avira

b. Kaspersky

c. Oracle

d. McAfee

55. What does DMA stand for?

a. Distinct Memory Access

b. Direct Memory Access

c. Direct Module Access

d. Direct Memory Allocation

56. Which of the following is a storage device?

a. Tape

b. Hard Disk

c. Floppy Disk

d. All of the above

57. When did John Napier develop logarithm?

a.1416

b. 1614

c. 1641

d. 1804

58. MIS is designed to provide information needed for effective decision making by?

a. Consumers

b. Workers

c. Foremen

d. Managers

59. ASCII stands for ________ ?

a. American Stable Code for International Interchange

b. American Standard Case for Institutional Interchange

c. American Standard Code for Information Interchange

d. American Standard Code for Interchange Information

60. Which of the following is first generation of computer?

a. EDSAC

b. IBM-1401

c. CDC-1604

d. ICL-2900

61. IBM 1401 is ________ ?

a. First Generation Computer

b. Second Generation Computer

c. Third Generation Computer

d. Fourth Generation Computer

62. Chief component of first generation computer was ________ ?

a. Transistors

b. Vacuum Tubes and Valves

c. Integrated Circuits

d. None of above

63. Second Generation computers were developed during ________ ?

a. 1949 to 1955

b. 1956 to 1965

c. 1965 to 1970

d. 1970 to 1990

64. The computer size was very large in ________ ?

a. First Generation

b. Second Generation

c. Third Generation

d. Fourth Generation

65. Microprocessors as switching devices are for ________ generation computers?

a. First Generation

b. Second Generation

c. Third Generation

d. Fourth Generation

66. Which of the following devices can be used to directly image printed text?

a. OCR

b. OMR

c. MICR

d. All of above

67. The output quality of a printer is measured by ________ ?

a. Dot per inch

b. Dot per sq. inch

c. Dots printed per unit time

d. All of above

68. In analogue computer _______ ?

a. Input is first converted to digital form

b. Input is never converted to digital form

c. Output is displayed in digital form

d. All of above

69. In latest generation computers, the instructions are executed _________ ?

a. Parallel only

b. Sequentially only

c. Both sequentially and parallel

d. All of above

70. Who designed the first electronics computer - ENIAC?

a. Van-Neumann

b. Joseph M. Jacquard

c. J. Presper Eckert and John W Mauchly

d. All of above

71. Who invented the high level language "C"?

a. Dennis M. Ritchie

b. Niklaus Writh

c. Seymour Papert

d. Donald Kunth

72. Personnel who design, program, operate and maintain computer equipment refers to ________ ?

a. Console-operator

b. Programmer

c. Peopleware

d. System Analyst

73. An error in software or hardware is called a bug. What is the alternative computer jargon for it?

a. Leech

b. Squid

c. Slug

d. Glitch

74. Modern Computer are very reliable but they are not ________ ?

a. Fast

b. Powerful

c. Infallible

d. Cheap

75. Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?

a. Daughter board

b. Motherboard

c. Father board

d. Breadboard

76. What is meant by a dedicated computer?

a. Which is used by one person only

b. Which is assigned one and only one task

c. Which uses one kind of software

d. Which is meant for application software

77. The system unit of a personal computer typically contains all of the following except:

a. Microprocessor

b. Disk controller

c. Serial interface

d. Modem

78. A computer program that converts an entire program into machine language is called a/an ________ .

a. Interpreter

b. Simulator

c. Compiler

d. Commander

79. A small or intelligent device is so called because it contains within it a ________ ?

a. Computer

b. Microcomputer

c. Programmable

d. Sensor

80. A fault in a computer program which prevents it from working correctly is known as ________ ?

a. Boot

b. Bug

c. Biff

d. Strap

81. A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is ________ ?

a. Bug

b. Vice

c. Lice

d. Worm

82. Unwanted repetitious messages, such as unsolicited bulk e-mail is known as _______ ?

a. Spam

b. Trash

c. Calibri

d. Courier

83. DOS stands for ________ ?

a. Disk Operating System

b. Disk Operating Session

c. Digital Operating System

d. Digital Open System

84. Who is the Current CEO of Microsoft?

a. Babbage

b. Bill Gates

c. Bill Clinton

d. Satya Nadella

85. Which of the following are input devices?

a. Keyboard

b. Mouse

c. Card reader

d. All of these

86. Examples of output devices are?

a. Screen

b. Printer

c. Speaker

d. All of these

87. Which of the following is also known as brain of computer?

a. Control Unit

b. Central Processing Unit

c. Arithmetic and language unit

d. Monitor

88. ________ translates and executes program at run time line by line?

a. Compiler

b. Interpreter

c. Linker

d. Loader

89. RAM stands for ________ ?

a. Random Origin Money

b. Random Only Memory

c. Read Only Memory

d. Random Access Memory

90. 1 Byte = ________ ?

a. 8 bits

b. 4 bits

c. 2 bits

d. 9 bits

91. BIOS stands for ________ ?

a. Basic Input Output System

b. Binary Input Output System

c. Basic Input Off System

d. All of above

92. Father of "C" programming language?

a. Dennis Ritchie

b. Prof John Keenly

c. Thomas Kurtz

d. Bill Gates

93. The instructions that tell a computer how to carry out the processing tasks are referred to as computer ________ ?

a. programs

b. processors

c. input devices

d. memory modules

94. An area of a computer that temporarily holds data waiting to be processed is ________ ?

a. CPU

b. Memory

c. Storage

d. File

95. ________ is the key to close a selected drop-down list; cancel a command and close a dialog box.

a. TAB

b. SHIFT

c. ESC

d. F10

96. ________ is the key we use to run the selected command?

a. SHIFT

b. TAB

c. ENTER

d. CTRL

97. ________ is the functional key to display save-as box?

a. F5

b. F6

c. F9

d. F12

98. Data becomes ________ when it is presented an a format that people can understand and use.

a. Processed

b. Graphs

c. Information

d. Presentation

99. The term ________ designates equipment that might be added to a computer system to enhance its functionality.

a. digital device

b. system add-on

c. disk pack

d. peripheral device

100. A ________ is a microprocessor-based computing device?

a. Personal Computer

b. Mainframe

c. Workstation

d. Server