Computer Science Notes OBJECTIVE Chapter #1 Class XI

Basic Concept of Information Technology #1 Class XI Compiled by Wasim Anjum Farooqi (M.Ed., MCS.)

Objective Question According To New Syllabus Of Federal Board Islamabad for

examination 2007

1. Collection of raw facts and figures, which are collected for specific purpose is called:

a) Information b) Data

c) Object d) Input

2. The processed and refined data is referred to as:

a) Information b) Data

c) Object d) Input

3. Data processing is also called:

a) Information system b) Information technology

c) Computing d) Calculating

4. The computing and communication technologies are combined together for:

a) Data sorting b) Searching of data

c) Classification of data d) Communication of data

5. An electronic device that accepts, processes data and controls other activities during

processing is called.

a) Input device b) Output devices

c) Computer d) Operating system

6. The data and program are stored permanently on the:

a) RAM b) Secondary storage

c) CPU d) Primary storage

7. The electronic circuits that are the part of the computer are called.

a) Software b) Firmware

c) Hardware d) Shareware

8. Which of the following is not a hardware component?

a) Input device b) Operating system

c) Processor d) Secondary storage

9. Which of the following is not an input device?

a) Keyboard b) Speaker

c) Mouse d) Microphone

10. Which of the following is an output device?

a) Keyboard b) Speaker

c) Mouse d) Microphone

11. Which of the following is not an output device?

a) Monitor b) Printer

c) RAM d) Speaker

12. Which of the following is a secondary storage device?

a) RAM b) ROM

c) CPU d) CD-ROM

13. Which of the following is not a secondary storage device?

a) Hard disk drive b) CD-ROM drive

c) ROM d) Tape drive

14. Which of the following is not an internal part of computer?

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a) Monitor b) Computer bus

c) RAM d) ROM

15. Which of the following is not used as inter connector?

a) Cable b) Ports

c) CD-ROM drive d) computer buses

16. Which of the following is not a network device?

a) Modem b) port

c) bridge d) router

17. How many categories a software are classified?

a) 3 b) 2

c) 5 d) 4

18. Which of the following is an example of system software?

a) Word processor b) spreadsheet program

c) operating systems d) game programs

19. Which of the following is not an example of packaged software?

a) Ms-Word b) Ms-PowerPoint

c) MS-Access d) Ms-Windows

20. Which of the following is not application software?

a) Scientific software b) Games

c) Device driver d) Multimedia software

21. Which of the following is not an example of input device?

a) Mouse b) Scanner

c) Speaker d) Digital camera

22. Which of the following is most commonly used input device?

a) Keyboard b) Digital camera

c) Microphone d) Scanner

23. A standard keyboard used in personal computer has:

a) 80 keys b) 84 keys

c) 101 keys d) 102 keys

24. Which 'if the following key of keyboard is used to change lowercase letters mode to

uppercase and vice versa?

a) Alt b) Caps Lock

c) Ctrl d) Enter

25. Which of the following key of keyboard is used to delete a character to the left of the

cursor?

a) Delete b) Backspace

c) Tab d) Shift

26. Which of the following key of keyboard is used to insert new line or paragraph into

any text editor?

a) Shift b) Backspace

c) Enter d) Tab

27. Which of the following input device is not a pointing device?

a) Joystick b) Light pen

c) Digitizing tablet d) Scanner



28. Which of the following pointing device is a stationary device with a moveable ball on

its top?

a) Mouse b) Light pen

c) Touch pad d) Trackball

29. Which of the following pointing device has a vertical handle like a gearshift lever?

a) Light pen • b) Pointing stick

c) Joystick d) trackball

30. Which of the following pointing device uses the sensors to detect the touch of a

finger?

a) Light pen b) Touch screen

c) Pointing stick d) Joystick

31. Which of the following is a light sensitive stylus device?

a) Light pen b) Touch screen

c) Pointing stick d) Joystick

32. Which of the following is not a marks and characters recognition device?

a) M1CR b) Fax Machine

c) OMR d) OCR

33. The bar-code system is called.

a) ASCII code b) EBCDIC code

c) Universal Product Code d) Unicode

34. The light and dark vertical zebra stripped marks on most of the manufactured

products are known as:

a) Product code b) Item code

c) Pin code d) Bar code

35. Which of the following is a photoelectric scanner that translates the bar code

symbols into digital code?

a) MICR b) Bar-code reader

c) OCR d) OMR

36. Which of the following device is used to read characters, which are printed with

magnetized ink?

a) MICR b) Bar - code reader

c) OCR d) OMR

37. Which of the following device is used to check and process the test marks of

students?

a) MICR b) Bar - code reader

c) OCR d) OMR

38. Which of the following is an example of SIM card?

a) Magnetic-stripe card b) Smart card

c) Network interface card d) Modem card

39. Which of the following is an audio input device?

a) VCR b) Video camera

c) Microphone d) Speaker

40. Which of the following is a video-input device?

a) Microphone b) Digital camera

c) Video camera d) Traditional camera



41. Which of the following device is used to get the softcopy of outputs?

a) Printer b) Plotter

c) Scanner d) Display screen

42. Which of the following is not related to softcopy output?

a) CRT b) Monitors

c) Plotters d) Screens

43. Which of the following device is used to receive the sound output?

a) Plotters b) Microphone

c) Speaker d) Monitor

44. Which of the following is not a output device?

a) Monitor b) Plotter

c) Speaker d) Scanner

45. The video graphic card inside the computer is used for the output device:

a) Speaker b) Microphone

c) Monitor d) Printer

46. How many types of graphic cards?

a) 2 b) 3

c) 4 d) 5

47. The monitor having VGA card has resolution.

a) 320 x 200 pixels b) 800 x 600 pixels

c) 700 x 600 pixels d) 1024 x 768 pixels

48. XGA card supports.

a) 16 colors b) 256 color

c) 16.7 billion colors d) 16.7 million colors

49. Which of the following is not an impact printer?

a) Dot matrix printer b) Thermal printer

c) Daisy wheel printer d) Line printer

50. Which of the following is a non-impact printer?

a) Inkjet printer b) Dot matrix printer

c) Daisy wheel printer d) Line printer

51. Which of the following print head of dot matrix printer provides best quality

printout?

a) 9 pins b) 18 pins

c) 24 pins d) 20 pins

52. Which of the following printer is slower than dot matrix printer but better in quality?

a) Line printer b) Daisy wheel printer

c) Laser printer d) Inkjet printer

53. Which of the following printer is normally used by mainframe computer?

a) Dot matrix printer b) Daisy wheel printer

c) Inkjet printer d) Line printer

54. Which of the following printer is an example of line printer?

a) Dot matrix b) Bubble jet

c) Band printer d) Daisy wheel

55. The printing speed of line printer is up to:



a) 30 1pm b) 300 1pm

c) 30000 1pm d) 3000 1pm

56. Which of the following printer works like a photocopying machine?

a) Inkjet printer b) Bubble printer

c) Laser printer d) Band printer

57. The printing speed of laser printer for microcomputer is about.

a) 4 to 400 pages per minute b) 4 to 200 pages per minute

c) 4 to 100 pages per minute d) 4 to 32 pages per minute

58. Which of the following printer uses a special heat sensitive waxy paper for printing

output?

a) Inkjet printer b) Bubble printer

c) Thermal printer d) Electrostatic printer

59. How many types of plotters are there?

a) 2 b) 4

c) 5 d) 6

60. Which of the following output device is used to print continuous output such as to

track an earthquake

reading?

a) Flatbed plotter b) Thermal printer

c) Drum plotter d) Laser printer

61. Which of the following task is not related to preliminary investigation?

a) System identification b) System analysis

c) System scope d) Feasibility study

62. Which of the following is the first phase of SDLC?

a) System analysis b) Design

c) Preliminary investigation d) Coding

63. Which of the following task of preliminary investigation decides the limitation of

system cost and time

limitation to develop the system?

a) Feasibility study b) Preliminary plan

c) Alternate solution d) System scope

64. A person responsible for the analysis of the system is known as:

a) Programmer b) Software engineer

c) Analyst d) IT manager

65. Which of the following tool/method is not used in data gathering step of system

analysis?

a) Interviews b) Questionnaires

c) Sampling d) Testing

66. Which of the following method/tool is used in data gathering step to collect

information from a part

of people instead of many people of an organization?

a) Interviews b) Questionnaires

c) Sampling d) Observations

67. Ms-project, Pert chart etc may be used for:



a) Logical design of system b) Physical design of system

c) Analysis of the system d) Preliminary investigation of system

68. The actual system is produced in phase:

a) Design b) Coding

c) Implementation d) Testing

69. The errors are detected and removed from the software in phase:

a) Design b) Coding


70. In which of the following phase of SDLC, the system is installed for use to solve the

problem.

a) Design b) Coding


71. A part of the system is implemented in:

a) Pilot Implementation b) Phase Implementation

c) Parallel Implementation d) Direct Implementation

72. A collection of raw facts and figure is called:

a) Data b) Information

c) Processing d) None

73. Computers are:

a) Accurate. b) Consistent

c) Reliable. d) All

74. A computer's main function is to:

a) Convert information into storage. b) Convert data into information

c) Display data d) Create data from information.

75. The four main functions of a computer are:

a. Input, processing, output & storage

b. Learning, thinking, intelligence & virtuosity

c. Data, information, bits & bytes

d. Hardware, software, modeling & operations

76. Another term for processed data is:

a) Processor b) Output device

c) Storage d) Information

77. Creating motion from still pictures is called:

a) Animation b) Movies

c) Sequencing d) None

78. Multimedia can include the use of:

a) Text b) Animation

c) Voice d) All

79. Data processing is also known as:

a) Calculating b) Computing

c) Information Technology d) Merging

80. The modern revolution in information technology can be termed as:

a) Computer revolution b) Information revolution

c) Communications revolution d) All



81. The computing and communication technologies are combined together for:

a) Data sequencing b) Data routing

c) Searching data d) Data communication

82. A process of buying goods and services via a mobile phone is called:

a) M-commerce b) Computer animation

c) Multi-media d) None

83. A process of performing financial business transaction over the Internet is called,

a) m-commerce b) e-commerce

c) Multimedia d) None

84. What is the difference between hardware and software?

a. Hardware is tangible but software is intangible

b. Hardware is metal but software is plastic

c. Hardware is permanent but software is temporary

d. Hardware is reliable but software is unreliable

85. Hardware is best described as:

a) Physical parts b) Printed copy file

c) A program d) Logical part

86. Which of the following is NOT a category of computer hardware components?

a) Input devices b) Printing devices

c) Processors d) Secondary storage devices

87. Computer is a combination of:

a) Software b) Hardware

c) Both a and b d) None

88. Which hardware components are usually found inside systems unit?

a. The processor, main memory, and monitor,

b. The processor, main memory, and secondary memory

c. First, second, and third memory

d. The keyboard, the disks, and the memory.

89. The piece of hardware that permanently holds data and programs is called:

a) Primary storage b) CPU

c) Secondary storage d) Output

90. The piece of hardware that temporarily holds data and programs is called

a) Primary storage b) CPU

c) Secondary storage d) Output

91. The electronic circuit that executes computer instructions is called

a) Transistor b) Hard disk

c) CPU d) Input device

92. Which of the following is not a secondary storage device?

a) CD-ROM b) Hard disk

c) DVD-ROM d) Central processing unit

93. Which of the following is the main component of the computer?

a) Memory b) Output unit

c) Input Unit d) CPU

94. CPU is an example of:

a) Software b) Program



c) Hardware d) Input unit

95. CPU stands for:

a) Central Processing Unit b) Central Product Unit

b) Computing Program Usage d) Central Programming Unit

96. Additional data and programs not being used by CPU are stored in:

a) Secondary Storage b) Input Units

c) Output Units d) CPU

97. Step by step instructions that run the computer are called:

a) Hardware b) Documents

c) CPU d) Software

98. Printers and monitors are common forms of:

a) Input units b) Output unit

c) Storage unit d) Processing unit

99. Another name for main memory is:

a) Secondary b) Disk Storage

c) Primary storage d) Tape Storage

100. Instructions and data that are about to be processed by the CPU are located in:

a) CD-ROM b) RAM

c) Hard disk d) None

101. What is the main purpose of secondary storage devices?

a) Executing computer instructions b) Temporary storage of data

c) Permanent storage of data d) Output of Information

102. A major category of software is:

a) Application software b) System Software


103. Software that controls computing resources is called:

a) Custom software. b) System software.

c) Application software, d) None.

104. Which of the following is an example of system software?

a) Operating system b) Utility program

c) Drivers d) All

105. Programs used as tools for system maintenance and repairs are called:

a) Utility b) Translation

c) Application d) None

106. Which software is used to solve everyday personal or business tasks?

a) Custom software b) System software

c) Application software d) None

107. The main difference between application and system software is that:

a. Application software consists of program instructions & system software does not.

b. Application software is stored in memory but system software is only in CPU

c. System software is unnecessary but application software is necessary for computer

d. System software manages hardware but application software performs user tasks.

108. Typical utility programs perform services like:



a) Repairing damaged files b) Translating files

c) Playing musical CDs d) Both a and b

109. Software that is developed specifically for the company's own use is called:

a) Custom software b) System software

c) Application software d) None

110. Another term for commercial software is:

a) Private software b) System software

c) utility software d) Packaged software

111. Which of the following is an example of packaged software?

a) MS Word b) MS Power point

c) MS Excel d) All

112. Which of the following types of software is NOT system software?

a) Operating system b) Utility programs

c) Program language translators. d) Spreadsheet software

113. Interactive gaming and tax planning are just two examples of:

a) System software b) Information processors,

c) Applications software. d) Integrated software.

114. The ways of entering data in computer and presenting information generated by the

system are called:

a) Processing b) Input/output

c) Storage/retrieval d) Data generation

115. Which device translates data into a form that the computer understands?

a) Input b) Output

c) Storage d) Network

116. Which of the following is general type of input devices

a) Keyboard b) Pointing devices

c) Source data-entry devices d) All

117. Which of the following is not an output device?

a) Scanner b) Printer

c) Monitor d) Speaker

118. The term that refers to all input, output, and secondary storage devices is:

a) Peripheral b) Central

c) Attached d) Network

119. Which of the following is not considered to be a peripheral device?

a) Disk drive b) Keyboard

c) Monitor d) CPU

120. Which is a correct association between hardware device and component type?

a) Mouse-processing b) Keyboard-input

c) Hard disk-output d) CPU-storage

121. Which is a correct association between hardware device and action?

a) Scanner - processing b) Keyboard - connectivity

c) CD-ROM – output d) CPU - data manipulation

122. Which is a correct association between hardware device and component type?



a) Memory - processing b) Magnetic tape -- input

c) Monitor – output d) Stylus – storage

123. The most familiar input device for computers is:

a) Scanner b) Keyboard

c) Puck d) Monitor

124. The keyboard format that is most commonly used is the:

a) QWERTY b) Dvorak

c) TWRITER d) SPLITTER

125. An insertion point is another name for a:

a) Cursor. b) Keyboard

c) Mouse d) Monitor

126. Which of the following keys is used to cancel an operation?

a) Arrow b) Caps Lock

c) Num Lock d) Esc

127. An example of a pointing device is:

a) Joystick b) trackball

c) touch screen d) all

128. When the amount of workspace is limited, an alternative to mouse could be a:

a) Trackball b) Scanner

c) Track point d) Both a and c

129. A pointing device that requires minimal space is:

a) Scanner b) Trackball

c) Graphics tablet d) Both a and c

130. A tiny handle in the middle of the keyboard is called:

a) Mouse b) Trackball

c) Pointing stick d) Graphics tablet

131. An example of a pointing device used with portable computers is:

a) Touchpad b) Pointing stick

c) Trackball d) All

132. A graphics tablet is commonly activated by:

a) Finger b) Joystick

c) Stylus d) Trackball

133. Which of the following includes a ball for positioning the arrow on screen?

a) Touch screen b) Touchpad

c) Joystick d) Mouse

134. All of the following use computer's monitor in the input process EXCEPT:

a) Touch pad b) Electronic pen.

c) Touch screen. d) All

135. Input device used to control actions in computer games or simulations is called:

a) Touchpad b) Pointing stick

c) Light pen. d) Joystick.

136. A pen-like instrument used to trace images on paper is called a:

a) Pointing stick. b) Light pen

c) Joystick d) Stylus.



137. Which pointing device has no moving parts?

a) Stylus b) Track pad

c) Track point d) Joystick

138. A type of reader commonly used to read UPC code is called:

a) Bar-code reader b) Optical-mark reader

c) Magnetic-ink character reader d) Both a and c are correct

139. Universal Product Code (UPC):

a. is one of the most visible bar-coding systems.

b. is now obsolete.

c. has been replaced by wand technology.

d. is a voice coding system by the food industry.

140. The type of reader commonly used to read bank checks is a(n) :

a) Optical-mark reader b) Magnetic-ink character reader

c) Bar-code reader d) Wand reader

141. This device uses reflected light to determine the location of pencil marks on test

answer sheets and similar forms.

a) Bar-code reader b) Optical-mark reader

c) POS terminal d) Mouse

142. The technology of recognizing individual characters on a printed page so they can be

stored and edited as text is called:

a) Bar-code recognition (BCR) b) optical character recognition (OCR)

c) Magnetic-ink character recognition d) optical-mark recognition (OMR)

143. A keyboard less machine that accepts input from a stylus applied directly to a flat-

panel screen is a(n) :

a) Optical-mark reader b) Pen-based computer

c) Touch screen machine d) Minicomputer

144. Printed image can be input into digital form inside the computer using a:

a) Mouse b) Stylus

c) Scanner d) Card reader

145. This looks like a typical charge card, but has an embedded microprocessor.

a) Bar card b) UPC card

c) Code card d) Smart card

146. Which of the following is an example of Smart Card?

a) Mobile-SIM card b) ATM Card

c) Modem Card d) Both a and b

147. Which device is needed to capture video using standard analog camcorder or

a) Video captures card b) Digital camcorder

c) Image recorder d) Video digitizer

148. Output can be:

a) Printed out b) displayed on screen

c) played through speaker d) All

149. What type of device translates data into a form that we can understand?

a) Input b) Output

c) Storage d) Network

150. Monitors differ in:



a) Size. b) Resolution

c) Graphics standard d) All

151. The dots that compose the image of a digital photograph are called:

a) Dot matrix, b) Resolution points

c) Pixels. d) Digital points.

152. The name for screen clarity:

a) Pixel. b) Resolution.

c) Density. d) Picture quality.

153. The resolution of a monitor depends on:

a) Number of pixels that can be displayed b) Number of bits representing a

pixel

c) Dot pitch of the monitor d) All

154. How many types of graphics cards are available in market?

a) 2 b) 4

c) 3 d) 7

155. The circuit board that connects the monitor to computer is called:

a) Video adapter b) Monitor link

c) Monitor adapter d) None

156. Which of the following is determined by video display adapters:

a) Resolution b) Number of colors

c) Speed with which image appear on screen d) All

157. The lowest resolution for color graphics display is:

a) CAD b) VESA

c) XGA d) VGA

158. XVGA resolution is:

a) 640x480. b) 640x400

c) 800 x 600 d) 1024 x 768.

159. The advantage of high-resolution over low-resolution digital photography is:

a) Better picture quality. b) Greater cost savings,

c) Fewer storage requirements. d) Faster processing speed

160. The higher the resolution:

a) The greater the number of pixels. b) The larger the pixel size,

c) The more accurate the voice recognition. d) The bigger the picture.

161. The individual images that make up a video are called:

a) Frames. b) Pixels

c) Digits c) Bytes.

162. Pixel is short for:

a) Page edit b) Place edit

. c) Picture enters, d) Picture elements.

163. Electron beam scanning is a characteristic of:

a) Laser printers. b) Flat panel monitors,

c) Cathode ray tubes d) Liquid crystal display.

164. Which of the following monitors has the least color depth?

a) Monochrome b) gray-scale



c) color d) flat screen

165. What type of monitor is found on all notebook PCs?

a) Flat-panel b) CRT


166. A pixel might be displayed as:

a) Black b) White

c) blue d) all

167. This type of monitor uses different technologies. The most common is LCD)

a) RGB b) CRT

c) Flat-panel d) Presentation

168. XGA supports up to:

a) 16 colors b) 64 colors

c) 16.7 million d) 16.7 billion colors

169. Which type of flat-panel computer screen provides the highest-quality image?

a) LCD b) ELD

c) Gas plasma d) None

170. Which of the following technologies is used in flat-panel display screens?

a) LCD b) EL

c) Gas-plasma d) All

171. The advantage of an LCD monitor is that it is:

a) Lighter b) Faster

c) More compact d) Both a and c

172. Monitor capabilities are described in terms of all of the following EXCEPT:

a) Color. b) Speed

c) Resolution d) Size.

173. A printer is needed to:

a) Create hardcopies of document b) Load educational software

c) Installment document file d) None

174. Laser printer is an example of:

a) Non-Impact b) Inkjet

c) Impact d) Dot Matrix

175. The output of printer is called:

a) Hard copy b) Graphics

c) Multimedia d) None

176. The cheapest form of printer available for PC is:

a) Dot-Matrix b) Laser

c) Inkjet d) None

177. What type of printer forms images one character at a time as print head moves

across the paper?

a) Ink Jet printers b) Laser Printers

c) Dot Matrix d) None

178. Which of the following is faster printer?

a) Laser b) Inkjet

c) Dot Matrix d) None



179. Which of the following is a non-impact printer?

a) Line printer b) Ink-jet printer

c) Dot-matrix printer d) Active matrix printer

180. Which printer is most likely to be used on mainframe computers for high-volume

report printing?


c) Dot-matrix printer d) Laser printer

181. Which type of printer operates most like a photocopy machine?


c) Dot-matrix printer d) Laser printer

182. A laser printer works by:

a. Removing static electrical charge from a metal drum,

b. Utilizing drop-on-demand technology,

c. Striking the paper with hammer-like keys,

d. A process called direct-thermal printing

183. Line printers that are connected to mainframe computers are usually:

a) Impact b) Ink jet

c) Laser d) Graphics

184. Which of the following is an impact printer?

a) dot-matrix printer b) Daisy Wheel printer

c) Line printer d) All

185. The speed of laser printers is measured in:

a) Characters per second (cps) b) Words per minute (wpm)

c) Lines per minute (1pm) d) Pages per minute (ppm)

186. The fastest and quietest printer is:

a) Dot-matrix printer, b) Inkjet printer.

c) Laser printer d) Plotter

187. Which printer is characterized by melting wax-based ink onto ordinary paper?

a) Dot-matrix b) Inkjet

c) Laser d) Thermal

188. Which of the following is NOT a non-impact printer?

a) Laser printer b) Ink-jet printer

c) Thermal printer d) Dot-matrix printer

189. Which of the following is NOT an impact printer?

a) Laser printer b) Ink-jet printer

c) Dot matrix printer d) both a and b

190. An output device that draws image stroke by stroke is:

a) Laser printer. b) Plotter

c) Thermal printer d) Character printer

191. A gigabyte is equal to:

a) One thousand kilobytes b) 1024 megabytes

c) 1024 x 1024 megabytes d) One million megabytes

192. The basic operations performed by a computers are:



a) Arithmetic operation b) Logical operation

c) Storage and relative d) All

193. Which of the following is the largest unit of date?

a) Bit b) Byte

c) Word d) Bit

194. The smallest unit of information in the computer is:

a) Character b) Word

c) Bit d) Byte

195. A bit can represent how many different values?

a) 0 b) 1

c) 2 d) 3

196. The meaning of the value of a bit is:

a) On or off b) One or zero

c) Yes or no d) All

197. A binary message can be sent using:

a) One bit b) Two bits

c) Three bits d) Four bits

198. How many bits are in one byte?

a) 1 b) 2

c) 4 d) 8

199. A group of bits can represent:

a) Characters b) Colors

c) Sounds d) All

200. Combinations of bits are used to represent:

a) Data b) The CPU

c) Programs d) Both a and c

201. A kilobyte is exactly:

a) 1 bytes b) 100 bytes

c) 256 bytes d) 1,024 bytes

202. One MB is approximately:

a) 1kb b) 100KB

c) 1024 bytes d) 1024KB

203. TB is approximately:

a) 1,000 KB b) 1024MB

c) 1,024 GB d) Both b and c are

204. GB is approximately:

a) 1,000 KB b) 1,024 MB

c) 100 TB d) both b and c are correct

205. Which of the following is ranked from smallest to largest?

a) KB, MB, TB, GB b) MB, TB, GB, KB

c) GB, KB, MB, TB d) KB, MB, GB, TB

206. The number of bits a computer can process at one time is sometimes called:

a) Bit strength b) Crunch capacity

c) Bite size d) Word size



207. The most widely used secondary storage is:

a) Diskettes b) Hard disks

c) Read only memory, d) Both a and b

208. CD-ROM stands for:

a) Compact disk—read only memory. b) Compact disk—read once memory,

c) Compressed data—read only memory d) Compressed data—read once

memory

209. The term system refers to:

a. A computer and its components.

b. A piece of software that needs to be designed and programmed

c. A database, network, or Web site.

d. An organized set of related components.

210. The process of studying an existing system to determine how it works and how it

meets human needs is called:

a) Computer programming. b) Systems design.

c) Systems analysis. d) User requirements testing.

211. Which of the following is the first phase of SDLC?

a) Design b) Coding

c) Preliminary investigation d) Analysis

212. Which of the following task is related to preliminary investigation?

a) System specifications b) System scope

c) Feasibility study d) All

213. Which of the following tasks is not part of the systems analyst role?

a) Programming b) Coordination

c) Communication d) Planning

214. The SDLC is a:

a. Programming tool used to create software.

b. Set of phases involved in development of new systems.

c. Manager who oversees the development of new systems.

d. Method of diagramming the interaction of components within a system.

215. Setting the boundaries or scope of the problem is done during:

a) Preliminary investigation b) Systems analysis.

c) Systems design. d) System development

216. .One result of preliminary investigation will be:

a. a detailed specification for how the system will accomplish its tasks.

b. an understanding of the nature and scope of the problem.

c. a set of requirements for the new system, along with cost analysis.

d. a report describing the results of questionnaires and observations of system users.

217. Exhaustive data gathering is done during:

a) Preliminary investigation b) Analysis

c) Design d) Development

218. Which type of diagram shows how information flows through a system?

a) Logic flowchart b) Gantt chart

c) DFD d) Decision table

219. System requirements are created during:



a) Preliminary investigation. b) Analysis

c) Design d) Development

220. Specifications on how the system will satisfy its requirements are created during:

a) Analysis b) Design

c) Development d) Implementation

221. A type of software tool used to automate many SDLC processes is called:

a) Gantt. b) DFD

c) PILOT. d) CASE.

222. A common type of diagram in most project management software is:

a) Gantt chart, b) CASE tool

c) System flowchart. d) Data flow diagram.

223. Testing of a program component is called:

a) Pilot testing b) Isolation testing

c) System testing d) Unit testing

224. Which data gathering method is used to collect information from many people in an

organization?

a) Questionnaires b) Observation

c) Sampling d) Interview

225. Which of the following methods is used in data gathering step of system analysis?

a) Interview b) Questionnaires

c) Sampling d) All

226. Testing all program components together is called:

a) Volume testing b) Group testing

c) System testing d) Composite testing

227. The process of training personnel to use the new systems is done during:

a) Analysis b) Design

c) Development d) Implementation

228. The type of conversion in which a subset of users migrate to new system while

others continue to use the old one until the new system is tested, is called:

a) Direct b) Pilot

c) Phased d) Parallel

229. The type of conversion in which individual components of the new system are used

one by one is:

a) Direct b) Pilot

c) Phased d) Parallel

230. The type of conversion in which both new and old systems operate together for a

period of time is:

a) Direct b) Pilot

c) Phased d) Parallel conversion.

231. System analysis produces which of the following results?

a) Review of existing system b) Design constraints

c) Requirements definition d) All

232. The process of modifying information system to meet changing needs is called:

a) System maintenance b) System modification

c) System upkeep d) System management



233. What comes after the analysis phase in the SDLC?

a) Implementation b) Design

c) Testing d) Support

234. A standard keyboard used in personal computer has how many keys?

a) 110 b) 115

c) Ill d) 102

235. The microphone converts the sound into:

a) Mechanical signal b) Electrical signal

c) Computer file d) Software

Short Questions and Answers according to new Syllabus of Islamabad Board

hat is data?

Data is defined as; collection of raw facts and figures, which is collected for specific purpose. The data may be in

the form of text, numbers, sounds, images, video clips etc.•

efine information.

When raw facts & figures are arranged in such a suitable manner that they give the clear & proper meanings then they

are called information.

efine data processing.

data processing is defined as: a sequence of operations performed on data to convert it into useful information. Data

processing is also known as computing.

efine information system.

A system that processes the raw data to convert it into useful information is referred to as information system. An

information system or computer-based system includes hardware, software, data, procedures and the users that

interact with the computer. The data is provided to the information system and processed information is obtained.

hat is information technology?

information technology is a technology that combines computing with high-speed communication links for carrying

data from one place to another, all over the world (i.e. over this global village).



hat is a computer?

A computer is an electronic machine that can be programmed to accept data (input), process it

into useful information (output), and store it in a secondary storage device for data reuse.

efine hardware.

Hardware is physical components of a computer. You can touch, see and feel hardware. The

computer along with input/output devices is known as hardware.

efine software.

A set instructions given to the computer to perform a specific task, is called software (or

computer program). It tells the computer what to do and how to do.

hat is system software?

A program or set of programs that is specially designed to control the computer system is called

system software. The system software also enables the other application programs to execute.

Operating systems and device drivers are the examples of system software.

hat is application software?

A program or set of programs that are specially designed to solve the specific problems of user,

are called application software or software packages.

hat is packaged software?

These are the programs that are developed by software development organizations and sold on

the open market to any customer. Actually, these softwares are developed to provide common

applications on a computer. The examples of these softwares are Ms-Word, Ms-PowerPoint, Ms-

Access, Oracle etc.

hat is input device?

The devices that are used to enter data and instructions into the computer are input devices.

The input device accepts input (data & programs) in a form that the computer can use, and then



sends to the processing unit.

hat are pointing devices?

A pointing device is an input device that is used to control the position of the pointer or cursor

on the screen and to send command signals to the computer. Usually, the pointing

device is used to select items on the screen, to select commands from commands menu, to draw

graphs etc.

hat is Trackball?

A trackball is also a pointing input device. It performs functions like a mouse but it is a

stationary device with a moveable ball on its top. The ball is rotated or rolled with fingers (or palm

of the hand).

hat is Touch Pad?

Touch Pad is a pointing input device. It is also stationary device like trackball. It is a small, flat

surface over which we slide our fingertip to move the pointer on screen for pointing a desired

icon (or item). As we slide our fingertip on the flat surface of Touch Pad, the cursor follows the

movement.

hat is UPC?

Data coded in the form of light and dark vertical lines (or vertical zebra-stripped marks) or bars

on most of the manufactured products in the market are known as bar codes. This bar-code

system is also called the Universal Product Code (UPC).

hat is magnetic stripe card?

A magnetic-stripe card has a stripe of magnetically encoded data on its back. Usually, the

magnetic stripe cards are used for personal identification during driving, in the departmental

stores, at public places etc.

hat is smart card?

Smart card looks like a credit card but in most of these cards, a microprocessor and memory

chip is added also When this card is inserted into a reader (a device used to read the card), it

exchanges data with the corresponding information on a central computer. It can store some basic



information also. A mobile SIM card and an ATM card are examples of smart cards.

efine dedicated Fax machine.

Dedicated Fax machine is an independent normal fax machine, which can send and receive

information to and from the other fax machines.

hat is audio input device?

An audio-input device records analog signals of sound and translates it to digital form to

store into computer for further processing. The main purpose of audio-input device is to provide

digital input for multimedia computers. Microphone is mostly used as an audio-input device.

hat is video input device?

Video input device is used to record films and video images. VCR and video camera are

example of video input devices. For this purpose, there must be a special circuit board known

as video-capture card inside your computer.

hat is audio board?

To enter sound signals inside the computer, a computer must have a sound card. It is a special

circuit board also known as audio board.

hat is video-capture card?

Video input device is used to record films and video images. For this purpose, there must be a

special circuit board known as video-capture card inside your computer. The video capture card

converts the video signals into digital that a computer can use.

efine softcopy output.

The output received on the display screen or in the audio or video form, is called softcopy

output. This kind of output is not tangible and it cannot be touched.

efine hardcopy output.

The output printed on the paper is called hardcopy. The printers and plotters devices are used

for this purpose.



hat is video display adapter?

A computer must have a video display adapter to display output in the form of graphics.

Video display adapter is also known as video graphics card that determines the resolution,

number of colors, and speed with which images appear on the display screen.

efine impact printer.

An impact printer prints characters and graphics on the paper with the strikes of hammer

or wheel against an inked ribbon. Dot Matrix, Daisy Wheel, and Line printers are examples of

impact printers

efine non-impact printer.

The printers that produce output on paper without striking the paper are known as non-impact

printers. They use electrostatic, inkjet, and thermal technologies for printing. Laser, InkJet and

thermal printers are examples of these type printers.

hat is meant by daisy wheel?

Daisy wheel printer is also an impact character printer. It has a print wheel with series of petals.

This wheel is known as daisy wheel.

hat is thermal printer?

Thermal printer is a non-impact printer. It can only print output on a special heat sensitive waxy

paper. The image of the output is created on the waxy paper by burning dots on it.

ow laser printer prints the output on printer?

The laser printer has a special drum inside it. The laser printer produces an image of the

output on a drum with laser beam and magnetically charged powered ink, called toner, and

then transfers the image from drum on the paper.

hat is drum plotter?

Drum plotter works like a flatbed plotter. It-consists of a arum or roller on which a paper is



placed and the drum rotates back and forth to print the graph on the paper. Drum

plotter is used to produce continuous output such as to track an earthquake readings.

efine system.

A system can be defined as a combination of some related components that interact with each

other to perform some specific tasks.

efine SDLC.

A set of activities or steps that are required to develop a system (such as software) is called the

system development life cycle (SDLC). It is an organized way to develop a successful system.

efine Coding phase of SDLC.

Coding is the main phase of system development process. In this phase, the actual codes of

software are written. It means that actual system is produced.

efine parallel implementation.

In this way, the new system is run parallel to the old system. The outputs returned by both

systems are compared. If the working and output of new system is better than old system

then the working of old system is stopped.

efine pilot implementation.

This type of implementation allows to implement the complete system but to a selected

group of users or departments.

Note : In case of any error or mistake please inform your Teacher

************Wish You Best Of Luck ************
