Computer MCQs Quiz Multiple Choice Questions & Answers Page 3

101. A program that performs a useful task while simultaneously allowing destructive acts is a:

1. Worm.
2. Trojan horse.
3. Virus.
4. Macro virus.

102. The typical computer criminal is a(n):

1. Young hacker.
2. Trusted employee with no criminal record.
3. Trusted employee with a long, but unknown criminal record.
4. Overseas young cracker.

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

1. 1
2. 101
3. 202
4. 110

104. ASCII is a coding system that provides

1. 256 different characters
2. 512 different characters
3. 1024 different characters
4. 128 different characters

105. 1 Byte =?

1. 8 bits
2. 4 bits
3. 2 bits
4. 9 bits

106. A modem is connected to

1. a telephone line
2. a keyboard
3. a printer
4. a monitor

107. What is the name of an application program that gathers user information and sends itto someone through the Internet?

1. A virus
2. Spybot
3. Logic bomb
4. Security patch

108. Which of the following helps to protect floppy disks from data getting accidentallyerased?

1. Access notch
2. Write-protect notch
3. Entry notch
4. Input notch

109. ............ Store data or information temporarily and pass it on as directed by the controlunit

1. Address
2. Register
3. Number
4. Memory

110. Light pen and joystick are............

1. Algorithm
2. Input devices
3. Output devices
4. Portals

111. Which of the following are the functions of a operating system

1. Allocates resources
2. Monitors Activities
3. Manages disks and files
4. All of the above

112. Codes consisting of lines of varying widths or lengths that are computer-readable areknown as-

1. an ASCII code
2. a magnetic tape
3. an OCR scanner
4. a bar code

113. Computers, combine both measuring and counting, are called :

1. Analog
2. Digital
3. Hybrid
4. All of these

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

1. Analog computer
2. Digital computer
3. both
4. Hybrid Computer

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

1. Ancient system
2. Historical system
3. Age old system
4. Legacy system

116. .......... is computer software designed to operate the computer hardware and to provideplatform for running application software

1. Application software
2. System software
3. Software
4. Operating system

117. Who is the chief of Microsoft

1. Babbage
2. Bill Gates
3. Bill Clinton
4. none of these

118. Malicious software is known as:

1. Badware.
2. Malware.
3. Maliciousware.
4. Illegalware.

119. BIOS stands for

1. Basic Input Output system
2. Binary Input output system
3. Basic Input Off system
4. all the above

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

1. Boot
2. Bug
3. Biff
4. Strap

121. A self replicating program, similar to a virus which was taken from a 1970s science fictionnovel by John Bruner entitled the Shockwave Rider is

1. Bug
2. Vice
3. Lice
4. Worm

122. Reusable optical storage will typically have the acronym-

1. CD
2. DVD
3. ROM
4. RW

123. The technology that stores only the essential instructions on a microprocessor chip andthus enhances its speed is referred to as

1. CISC
2. RISC
3. CD-ROM
4. Wi-Fi

124. COBOL is widely used in application s

1. Commercial
2. Scientific
3. Space
4. Mathematical

125. COBOL is an acronym for.............

1. Common Business Oriented Language
2. Computer Business Oriented Language
3. Common Business Operated Language
4. Common Business Organized Language

126. ............ translates and executes program at run time line by line

1. Compiler
2. Interpreter
3. Linker
4. Loader

127. A small or intelligent device is so called because it contains within it a

1. Computer
2. Microcomputer
3. Programmable
4. Sensor

128. #NAME?

1. Computer forensics
2. Computer crime
3. Hacking
4. Cracking

129. Which of the following is also known as brain of computer

1. Control unit
2. Central Processing unit
3. Arithmetic and language unit
4. Monitor

130. …………….are used to identify a user who returns to a Website

1. Cookies
2. Plug-ins
3. Scripts
4. ASPs

131. An area of a computer that temporarily holds data waiting to be processed is..........

1. CPU
2. Memory
3. Storage
4. File

132. The ......... is the amount of data that a storage device can move from the storagemedium to the Computer per second

1. data migration rate
2. data digitizing rate
3. data transfer rate
4. data access rate

133. Father of C programming language

1. Dennis Ritchie
2. Prof John Keenly
3. Thomas Kurtz
4. Bill Gates

134. A ............ is an additional set of commands that the computer displays after you make aselection from the main menu

1. dialog box
2. submenu
3. menu selection
4. All of the above

135. In world today, most of the computers are :

1. Digital
2. Hybrid
3. Analog
4. Complex

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

1. Digital computer
2. Mainframe computer
3. Portable computer
4. Hybrid computer

137. The term ............. designates equipment that might be added to a computer system toenhance its functionality.

1. digital device
2. system add-on
3. disk pack
4. peripheral device

138. The difference between people with access to computers and the Internet and thosewithout this access is known as the :

1. digital divide
2. Internet divide
3. Web divide
4. E-illiteracy

139. DOS stands for

1. Disk Operating System
2. Disk operating session
3. Digital Operating System
4. Digital Open system

140. A device that connects to a network without the use of cables is said to be-

1. Distributed
2. free
3. centralized
4. none of these

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

1. Downloading
2. uploading
3. FTP
4. JPEG

142. To access properties of an object, the mouse technique to use is-

1. Dragging
2. dropping
3. right-clicking
4. shift-clicking

143. In 1999, the Melissa virus was a widely publicised:

1. E-mail virus.
2. Macro virus.
3. Trojan horse.
4. Time bomb.

144. To prevent the loss of data during power failures, use a(n):

1. Encryption program.
2. Surge protector.
3. Firewall.
4. UPS.

145. The scrambling of code is known as:

1. Encryption.
2. a firewall.
3. Scrambling.
4. Password proofing.

146. . Help Menu is available at which button?

1. End
2. Start
3. Turnoff
4. Restart

147. When creating a computer program, the ......... designs the structure of the program

1. End user
2. System Analyst
3. Programmer
4. All of the above