Search This Blog

Friday, May 21, 2010

LOK SEWA AYOG is a popular in Nepal and information collected by Niroj Khanal.

Set 2

1. The term referring to evaluation the content of some part of the machine is known as Dump.

2. The earliest device that qualifies as a digital computer is Abacus.

3. The area of computer science Graphics is concerned with the display of picture.

4. The range of frequencies available for data transmission is known as Bandwidth.

5. A printer in which the characters are embossed on a band is Chain.

6. Software used to convert source program instructions to object instruction is known as Language Processor.

7. Tiny rings made of magnetic material that can be polarized to represent binary 1 or 0 are called Magnetic Core.

8. MIS is used to provide the sight information to the right person at the right time for proper decision making.

9. A file containing relatively permanent data is Master File.

10. An input device converts data punched into paper tape into a binary format’s Paper Tape Reader.

11. An output device that converts data punched into paper tape into a binary format in main storage coded whole patterns punched into a paper tape is Paper Tape Punch.

12. An input device, which read characters directly from ordinary peace of paper, is OCR.

13. AN electronic circuit with about 20 transistors fabricated on a silicon chip is known as SSI.

14. The symbols used in as assembly language are mnemonics.

15. The most important output device in a computer system is magnetic disk.

16. System software programs give instructions about operations inside the computer.

17. The CPU is made up of control unit ALU and memory.

18. Magnetic tape, floppy disk and cassette tape are secondary memory.

19. The base of hexadecimal number system is 16.

20. Light pen used as ‘input device’ for the computer.

21. A generalized software package produced to meet the bugs of a variety of data processing users is known as Application Package.

22. A code consisting of light and dark marks, which may be optically read, is known as Bar codes.

23. The main computer in as networks is called Host Computer.

24. 1bilion per second can perform by a modern fast mainframe digital computer.

25. A compiler means a program which translates source program into object program.

26. A disk with usable recording surfaces on each side is known as Double-sided Disk.

27. A program that converts computer data into some code system other than the normal one is known as Encoder.

28. The time for which a process has been receiving service from the processor is CPU Time.

29. The examination and changing of single bits or small groups of the within a word is called bit manipulation.

30. Job control language used for IBM Mainframe computer.

31. Console is the part of computer system that enable human operator to communicate with the computer.

32. High level languages are not concerned with computer but with compiler.

33. An instruction that transfer program control to one or more possible paths is known as Broad Band channel.

34. The process of writing computer instruction in a programming language is known as Programming.

35. Page reader is able to scan and interpret an entire page that is typed in a special font.

36. An input device that is able to interpret combinations of marks the represents of data is known as Punch Bar-code Reader.

37. A memory in which the information is stored last is on top and its retrieval first is known as Stack.

38. The memory sizes in mainframe computers and advanced technology microcomputers are expressed as Megabytes.

39. The invention of slide rule is attributed to Ought red.

40. A medium for transferring data between two locations is called Communication channel.

41. A place in a computer memory, which stores a unit of information, is Buffer.

42. 8-bits word length computer with very high speed CPU and 64MB main memory is microcomputer.

43. Parity chips are used to check for errors in RAM chips.

44. Registers are used to quickly accept, store and transfer data and instructions that are being used immediately by the CPU.

45. Output hardware is often categorized according to whether it produces hardcopy or softcopy.

46. Shadow mask is not a part of CRT.

47. Graphic terminals output most closely resemble the output produced by a Plotter.

48. An impact printer that uses an interchangeable rotating printing unit for hardcopy output is the chain printer.

49. Daisy Wheel printer can not print graphics.

50. Actual execution of instructions in a computer takes place in Arithmetic Logic Unit.

51. The pieces of equipment which are attached to the CPU of a computer and which it can access are called peripherals.

52. Ball pen does not contain a microprocessor.

53. Bus has both a common meaning and a computer meaning.

54. The mechanical diskette driver in insert your diskette is concerned to the computers bus communication.

55. 3600 is the most common speed in rpm at which the hard disk usually rotate.

56. Disk units that use unremovable plotters are called hard disks.

57. Track ball are the name of the screen-printing device that rolls on bearing and has one or more buttons on its top.

58. LCD is not a character reader.

59. Mass storage is not an alternative name for primary memory.

60. IC do the present day digital computers use for their internal memory.

61. Intel Computer Company invented the RAM chip.

62. MICR has made possible a cashless society.

63. During the past decade, the most improvement probably has been made in input and output units.

64. The comparison of data inside the arithmetic unit is referred to as a Logical operation.

65. In electrostatic plotters the term ‘resolution’ refers to the number of dots per inch.

66. Because it can function in more ways than a line printer, the IBM 6670 is some times referred to as a (n) Intelligent Printer.

67. John W Mouchly is believed to have formulated the idea of stored program, which made computer run faster.

68. Any file in which insertion of new records or deletion of old records occurs at a high rate is referred as a volatile file.

69. Baud is equal to 1 bit per second.

70. Random access is called, when any part of memory can be read equally quickly.

71. A multiprogramming system is one that can share hardware resources with many programs simultaneously.

72. The hardware components of a modern digital computer are connected to each other by a number of parallel wires, Bus is called these wires.

73. The collection of commands is called program.

74. The ALU of central processing unit does the essential math’s work for the computer. Monitors the flow of information does the control unit do.

75. All calculations are performed and all comparisons are made in central processing unit.

76. A certain computer hardware component does not process the data itself but acts as a central nervous system for other data manipulating components. Control unit is it called.

77. Logic is an electronic circuit which makes logic decisions.

78. A code used for standardizing the storage and transfer of information among it various computing devices is called ASCII.

79. Magnetic disk is the most popular medium for direct access secondary storage of a computer.

80. Electroluminescent is the latest to be used for portable computer.

81. Main problem with LCD’s is that they are very difficult to read in bright light and in dull light.

82. Daisy wheel printer prints a character at a time.

83. The points of sale terminals are used for reading bar codes and printed information.

84. Bar codes store information using thick and thin lines.

85. Cache memory is the name given to the specialized storage element in the processor unit of a computer, which is used as ‘scratchpad’ during processing operations.

86. Typical bandwidth of optical fiber is order of GHz.

87. In a modem using debit phase, encoding has the bit rate independent of its baud rate.

88. The access time of magnetic bubble memory approximately 30milli seconds.

89. The refreshing rate of DRAMs is approximately once in two millisecond.

90. Semiconductor memory is not as a mass memory medium.

91. A clocked device that moves it contents one bit to the left of right during each clock cycle is shift register.

92. Bulk Memory is another name for backing store.

93. The base of a number system is Radix.

94. A program used to detect overall system in malfunctions system diagnostics.

95. A uniform interval of CPU time allocated for use in performing a task is known as Time slice.

96. A device used with interactive graphics to control cursor position on the screen is track ball.

97. Data recognized in a relational database is known as Tables.

98. A multifunction memory resident package may include a notepad that allows users to get down short notes and write brief letters.

99. A type of instruction that can produce several lien of machine language code is assemble.

100. A printed circuit board that adds additional capabilities and functions to a computer’s hardware is motherboard.

101. A language used to express algorithms in computer understandable form is assembly language.

102. A computer that works with discrete quantities is digital.

103. Key-to-disk is used to enter data on to a disk device.

104. A card printed on one side and carrying the equivalent magnetic data on the other is magnetic ledger cards.

105. Differential engine was made by Charles Babbage.

106. A way to generating infinite sets of strings is called L-SYSTEM.

107. The process of varying one signal according to the pattern provided by another signal is modulation.

108. A device that receives analog signal as input and produces digital data as output is demodulator.

109. EAROM is called an electrically alterable read-only memory.

110. A type of non-volatile memory in which binary information is stored in any array topoidal magnetic core is Core store.

111. A physical signal carrier that connects several parts of a computer system is Bus.

112. Bot Marker is a physical feature of a magnetic tape.

113. The number of bits stored per unit length is called bit density.

114. RAM is the actual working memory.

115. Source code is the test of a program usually in a high level language.

116. Any memory system that allows only serial access is SAM.

117. Paper tape is an old established method of storing data, which replaced punched tape in much application.

118. A set of related programs are Package.

119. A miniature version of the aircraft control stick, which can generate electrical signals, is joystick.

120. A single unit of data is field.

121. The time for which a piece of equipments called effective time.

122. MS DOS, PC DOS and UNIX are some type of system software used on microcomputers.

123. Internal command instructions are loaded into main memory when the computer is booted.

124. 1981 did IBM release the first version of disk operating system DOS version 1.0

125. Data integrity refers to the degree to which data in database system are accurate and correct.

126. A translator is best described as a system software.

127. The OS manages Memory, Processor and disk & I/O devices.

128. Block or buffer caches are used to improve disk performance.

129. User friendly systems are becoming more common.

130. A system program that sets up an executable program in main memory ready for execution is loader.

131. System generation is always very difficult.

132. System maintenance is necessary on all systems regardless of how good.

133. An interpreter is program that accepts a program written in a high level language and produces an object program.

134. The software’s which translates an instruction at a time and executes the instruction immediately, then takes up the next line. This translation software is called interpreter.

135. When a computer is first turned on or restarted, a special type of absolute loader is executed, called a boot strap loader.

136. While running DOS on a PC, Diskcopy command would be used to duplicate the entire diskette.

137. Operating System is the name given to the organized collection of software that controls the overall operation of a computer.

138. Multitasking is used to simplify using system software.

139. Operating system is collection of software routines.

140. A sequence of instructions, in a computer language, to get the desired result, is known as program.

141. OZ is the name of the operating system for the laptop computer is called maclite.

142. Supervisor state is only allowed to the operating system.

143. The primary purpose of an operating system is to make computer easier to use.

144. Operating system provides a layout, user-friendly interface.

145. A computer cannot “boot” if it does not have the operating system.

146. In a magnetic disk, data is recorded in asset of concentric tracks that are subdivided into sectors.

147. Scheduling is allowing jobs to use processor.

148. A linker creates a load module.

149. In MS-DOS, executable object file and load, modules have extensions .com and .obj respectively.

150. A program is a sequence of instructions.

151. A processor is a device that performs a sequence of operations specified by instructions in memory.

152. Assembler is a program that automates the translation of assembly language into machine language.

153. Virtual memory consists of those addresses that may be generated by a processor during execution of a computation.

154. The macro processor must perform recognize macro definitions and macro calls & substitute arguments.

155. A hardware device that is capable of executing a sequence of instructions is known as processor.

156. Bak extension suggests that the file is a backing copy of other file.

157. An interpreter might be used to covert high-level language instructions into machine language.

158. If you want to execute more than one program at a time, the systems software you using must be capable of multitasking.

159. Special software to create a job queue is called a spooler.

160. Memory management is replaced with virtual memory on current systems.

161. Object code must be loaded before execution.

162. Virtual memory is used in all major commercial operating systems.

163. Assembles, compilers and interpreters are language processor.

164. Booting is name given to the process of initializing a microcomputer with its operating system.

165. Pull-down menus are the most important features of Microsoft Windows program.

166. All the time a computer is switched on; its operating system software has to stay in primary storage.

167. The primary job of the Operating system of a computer is to manage resources.

168. The operating system of computer servers as a software interface between the user and hardware.

169. UNIX is not application software.

170. Performance monitor is not a part of the OS.

171. The essential features of a number system are Radix and set of distinct counting digits.

172. The octal numbers are used external to the computer.

173. Binary numbers need more places for counting because binary base is small.

174. LAN is suitable for networking within a building.

175. Data transfer rate for LAN is normally 1-100mbps.

176. Bus topology shares a single channel on which all stations can receive and transmit data.

177. Ring topology data packet is removing by the source destinations.

178. Token passing LAN ACCESS method use the right to transmission any a special bit patterns.

179. Ring topology is least affected by removal addition of workstations.

180. Protocol is used to communicate between similar modules.

181. The maximum length of data packet in packet switching method in 128-4096 bytes.

182. Virtual circuits task a fixed logical part through network is packet switching method.

183. Bridges is used to connect two LANs using same LAN protocols over a wide area.

184. Network disk drive is really logical disk drives.

185. Different network can be using a remote PC.

186. FDDI used ring type of physical topology.

187. Data link devices function at the data link.

188. You have a single fiber-optic cable linking two office complexes. You would like send Ethernet, token ring and telephone signals over the same cable. Gateways devices can you use to do this.

189. You would like to get the IEEE specification for Ethernet over fiber optical cable. 802.8 specifications are you looking for.

190. Network adapter resides at the center of a star network and links the network cables.

191. You are considering installing an ATM network in your organization. FDDI data-like types will ATM run over.

192. You can use approximately configured router to data between token ring data link types.

193. FDDI network types can be implemented over fiber-optic cable.

194. FDDI network protocols establish permanent and switched virtual circuits between end stations.

195. Hub network equipment should you buy.

196. Active hub device amplifies the network signal but doesn’t interpret the signal or perform path selection or switching.

197. EDP stands for Electronic Data Processing.

198. The first computer introduced in Nepal by 1972 named IBM 1401

199. Storage capacity of disk measures in tracks per inch.

200. John Von Newmann had developed ENIAC.

201. The input-output device is disk drive unit.

202. The most popular keyboard is QWERTY.

203. The microfilm reader is OCR device.

204. The encoding & decoding device is modem.

205. The most popular 1st generation computer was IBM 1650.

206. The device is not directly connected to CPU is called off-line.

207. The first floppy disk was developed in 1970.

208. The output of printer is considered hardcopy output.

209. IBM 360 belongs to the third generation.

210. Number of pins used for Dot matrix printer is depends upon printer.

211. The XT stands for Extended Technology.

212. PC-AT computer of Pentium processor has a speed of 100MHz or more.

213. The Intel 8086/8088 microprocessors are called PC/AT.

214. Inventory control is not suited for sequential processing by a computer.

215. Most of the errors blamed on computers are actually due to Data entry errors.

216. The processes of entering data into a storage location cause variation in its address number.

217. A device that both transmits and receives data is Transceiver.

218. Clear is an input to a device that sets that state to zero.

219. Buster is a mechanism for separating continuous for folded paper used inline printers.

220. A group of signal lines used to transmit data in parallel from one element of a computer to another is Data bus.

221. Allocator and manager of memory in an operating system is Kernel.

222. The rpm of the printer disk is not a factor affecting the processing capabilities or performance of a PC system.

223. Super Computers are not fast enough for some applications.

224. Index is used to mark the location of the first sector in a soft sectored disk.

225. A data item, Elementary data item is not broken down into smaller units.

226. A small vacuum tube that glows red when an electric current is passed is LED.

227. A sequence of microinstructions is Micro Sequence.

228. Multiunit line is a data communication link that connects more than two stations nodes.

229. Digital cassette is a particular form of magnetic tape cartridge.

230. A machine associated with card based data processing is collator.

231. CIM is computer microfilm.

232. A frame work in card cage circuit boards can be mounted.

233. Cache is used in high performance systems, inserted between the processor and memory.

234. Hardware used for virtual memory allocation is Base-bond register.

235. A type of memory chip whose contents can not be altered by writing data is ROM.

236. The shifting of program from one of the memory addresses to another is relocation.

237. The amount of time is taken up in getting data from a disk is latency.

238. Cray-1 is one of the world’s most powerful computers.

239. A group of sectors that operate together is cluster.

240. Auto-boot is used to make a program run when the computer is switched on.

241. The mechanical calculating machine was made by Blaise Pascal.

242. A subset of characters within a data Field is known as Data string.

243. The process used to setup a program once the system is operational is Boot Strap.

244. Control instruction register is special register, which holds machine instructions.

245. A way of checking the data have been moved or stored correctly is Parity.

246. An input device with a joystick is Paddle.

247. Mainframe is s large computer of which peripherals are mounted in a frame.

248. Translator of high-level language in the object code is called compiler.

249. An assembly language is a division of low-level language.

250. A built in number that identifies a location is storage is known as Address.

251. A sequence of one or more characters is string.

252. The instructions code in machine language are assembled which specifies that basic operation of CPU is up code.

253. A secondary storage device with immediate access to any part of stored is direct access device.

254. A computer which data is represented by a continuously variable physical quantity is Analog Computer.

255. The basic unit within a computer store capable of holding a single unit of data is ALU.

256. A group of characters used to identify a given low-level instruction is Label.

257. A location which is sometimes protected, used for specific purpose only is register.

258. An English mathematician provided the working principles of today’s computers, Charles Babbage.

259. The entire instruction repertoire adopted in the design of a particular computer is Instruction.

260. A group of characters treated as an entry within some computer is a word.

261. A device use to bring information into a computer is input device.

262. The part of a computer system that enables human operators to communicate with the computer is console.

263. A digital device that processes data is known as data processor.

264. The part of total storage of a computer from which instructions are executed is main storage.

265. An optional input device that interprets pencil marks on paper media is OMR.

266. A pen shaped device which can sense light, and is used to point at spots on a video screen is a light pen.

267. Magnetic bubble memory is a non-volatile memory.

268. Joystick can be used to control the movement of a cursor on a video screen.

269. In digital computer, all the expressions are coded into binary digits.

270. The track capacity of single density floppy driver is 2560bytes.

271. The display size of the typical visual display screen is 40 columns wide by 20.

272. Number system with base 2 having two distinct levels is known as binary.

273. The only language understood by a digital computer is called binary language.

274. First electronic digital computer was ENIAC .

275. UNIX operating system was produced by c language.

276. A memory that does not change its contents without external causes is known as static memory.

277. IBM-PC is example of micro computer.

278. The personnel which deal with the computer it management put together are known as human ware.

279. 256 is the max number that can be represented with 8 bits.

280. A magnetic storage device in which data is storage on a cylindrical drum subdivided into tracks in known as drum.

281. Temporary storage used to compensate for a difference in the speed of data flow is buffer.

282. Baud is a unit representing the number bits of discrete.

283. Any storage device added to a computer beyond the immediately usable main storage is known as backing store.

284. The way a computer is designed is known as Architecture.

285. A device in which information is stored by means of small electrical charges is charge coupled device.

286. A computer peripheral that prints one line of output at a time is known as line printer.

287. Data processing computer built to conventional architecture is known as main frame.

288. Data network is a communication network that is devoted to carrying computer information.

289. Latch is an electronic device that can be store temporary a single bit of data.

290. Sequential access method is used for obtaining a record from a cassette tape.

291. Dialup method is used to connect a remote computer.

292. Micro computer has been designed to be as compact as possible.

293. Mouse device of computer operation dispenses with the use of the keyboard.

294. Milk disk circular transparence disk has a patter of radial bars printed on it.

295. A device that converts one type of signal into another is called transducer.

296. A repository for data, usually covering some specific topic is called data bank.

297. The time required for the fetching and execution of one simple machine instruction is CPU cycle.

298. An OS intended for use on microprocessor based systems that support user is CP/M.

299. A program that is employed in the development, repair or enhancement of the program is known as software tool.

300. An index register that is automatically incremented or decremented with each use is Auto index.

Thursday, May 13, 2010

LOK SEWA AYOG is a popular in Nepal and information collected by Niroj Khanal.

Set 1

1. In virtual storage, program segments stored on disk during processing are called Page.

2. Continuous line drawings are produced using plotters.

3. The digitizing technology that uses an electronic field radiated from the tablet and picked by curser is Electrostatic.

4. In magnetic disk, data is organized on the platter in concentric sets of rings called Track.

5. A visual display unit or terminal is the most popular output device used today in direct-access processing.

6. The first electro mechanic computer Mark-I developed by Howard Aiken

7. Charles Babbage is credited with the development of the “blueprints” for the first digital computer

8. The very small and cheap computer built in to many home devices is called Micro computer.

9. ILLIAC is the name of the computer, which was the first used for programming, and playing of music.

10. WAN hardware includes EDI, Bridges & modems and Multiplexers and includes.

11. Laser Printer is non-impact printer.

12. Line printer all the as in a line before al the Bas.

13. In the language of the computer profession, one thousand position of main storage is represented with the letter K.

14. Ethernet uses Bus Technology.

15. In comparison to the internal memory, tape or disk memory is slower and less expensive.

16. The minimum time delay required between the initiation of two successive memory operations is known as Memory cycle time.

17. A device designed to read information encoded into a small plastic card is Badge reader.

18. A hard copy output device that uses ink pens to provide high resolution hard copies is Pen plotter.

19. Piggy Back is an operating system that runs as a task of another different operating system.

20. A flat display device composed of tiny neon bulbs is Plasma panel display.

21. PROM is a computer memory that can be programmed once, but not reprogrammed.

22. A program that is used to help solve a data processing problem is Application Software.

23. An input device used with interactive graphics to locate a place on the screen is Tablet.

24. Spreadsheet Packages are programs that accept data values and relationship in the columns and rows of their worksheet.

25. The intersection of a column and row in a spreadsheet is called a bon or cell.

26. LCD clocks are not likely to be found a PC main circuit board.

27. Methods used to organize and physically store disk data are cylinder and sector.

28. Magnetic tape storage chips have no moving parts. And they provide non-volatile direct access storage of data.

29. A class of random access memory that requires periodic servicing in order for the contents to remain veiled is Dynamic RAM.

30. A high-spend printer that uses charged pins to from character matrices on chemically treaded paper is Electrostatic Printer.

31. The earliest calculating device still in use the abacus.

32. An arithmetic machine that performs routine seemingly human task is KIPS.

33. ROM is used to store firmware.

34. A computer program that instructs other programs to perform a particular type of operation is System Software.

35. A register in CPU that holds the current instruction that is being executed is called instruction register.

36. A terminal having local processing capabilities is intelligent terminal.

37. One that permits direct conversation between system user and the operating program in the CPU is Interactive System.

38. Keypunch Machine is a keyboard actuated device that is used to record data on computer cards.

39. The imitation of one device or system by another is Emulation (Imitation).

40. TELNET is an American data communication networks,

41. The first modern digital computer produced on mass scale is IBM-650.

42. The IC was invented at Texas instruments in the year 1958 by Jaik Kilby.

43. A device that stores one item of information in Memory Element.

44. A sequence of micro-instruction is Micro code.

45. A specific part of an arithmetic and logic unit that is used to perform the operation of multiplication is multiplier.

46. UNIVAC belongs to the first generation computer.

47. Valves hardware did first generation computer use.

48. A typical modern computer uses LSI chips.

49. Integrated Circuits are fabricated on a tiny silicon chip.

50. Keyboard is used the most in the input phase of computer based information system.

51. User persons probably have the least amount of technical knowledge.

52. System boards allow the user to add components and capabilities to a computer system.

53. To decode program instructions is the control unit function in the CPU.

54. The first computer used to store a program was EDSAC.

55. The first machine to successfully perform a long series of arithmetic and logic operation was MARK-I.

56. Linkage between the CPU and users is provided by Peripheral Devices.

57. The microcomputers today have hard disk because it has very high storage capacity.

58. A character is represented in EBCDIC by eight bits.

59. The data recording are between the blank gaps on magnetic tape is called a Block.

60. Floppy disk is a secondary memory device.

61. Keyboard is not an output device of a computer.

62. A group of wires running parallel to each other between 2 connected computer parts and which transfers information is called a bus.

63. Semiconductor memory is not as advantage of stored storage.

64. Control unit is responsible for coordinating various operations using timing signals.

65. A collection of wires that connects several devices is called cables.

66. Two units in a single bus structure communicate at a time.

67. The computer device primarily used to provide hard copy is the Line printer.

68. Programs, which protect a disk from catching and infection, are called vaccines.

69. Diskettes and hard disks are direct access devices.

70. Semiconductor memory is volatile.

71. In a generic microprocessor, instructions cycle time is larger than machine cycle time.

72. The cyclic codes are used in continuously varying signal representation.

73. The operation of a digital computer is based on electronic principle.

74. The 7-bit ASCII code widely used for data communication work.

75. A characteristic generally associated with fixed disk devices is one read/right head per track.

76. Laser Printers use light beam and electronically sensitive black powder.

77. The first mini computers were developed and built in 1965 by Digital Equipment Corporation (DEC).

78. The person contribute in the idea of the stored program was John Von Neuman.

79. Star topology and point to point is associated with network.

80. Buffer is the name of the storage device, which is used to compensate for the difference in rates of flow of data from one device to another.

81. Multi bus is a flexible bus structure, which is now used in many commercial microprocessor systems.

82. Page stealing is taking page frames from other working sets.

83. The OS manages memory, processors and Disk & I/O devices.

84. A set of prerecorded instruction by a computer is called the program.

85. Which is the part that transmits data from one part of the computer to another is called ‘Bus’.

86. The number of bits that a computer can process at a time in parallel is called the ‘word length’.

87. ENIAC is the first large-computer ever developed.

88. DDP- Distributed Data Processing.

89. Microsecond is millionth of a second.

90. IBM S/390 is a Mainframe computer.

91. Addresses have a unique identifier.

92. Radix of the binary System is two. 0 1 – binary, 0 1 2 3 4 5 6 7 10 - octal.

93. The number of digits a number system uses to represent the numbers in the system is called base or Radix.

94. ASCII-7bit=128characters, ASCII-8bit=256characters, EBCDIC-8bit=256characters.

95. The two types of auxiliary storage devices are random and sequential access.

96. Magnetic tape is a sequential-access device.

97. Magnetic tape is the slowest in accessing device.

98. Magnetic tape is generally used for back-up.

99. CD-ROM is not a sequential-access device.

100. Jaj-Cartridge has the maximum storage capacity.

101. WORM stands for Write once read many.

102. The storage device that combines the magnetic disk technology with CD-ROM technology is MD-Drive.

103. The mouse which needs a special mouse pad is mechanical.

104. MICR (Magnetic Ink Character Reorganization) is the technology that is used as a direct entry method in banks.

105. MCR is the technology used in the evaluation of aptitude test.

106. The input device that uses a light-sensitive detector to select objects on a display screen is mouse mat.

107. Bandwidth is the amount of data that can transmit in a fixed amount of time.

108. Refresh rate of monitor is Hertz.

109. Interlacing is the display technique that enables a monitor to provide more resolution inexpensively.

110. Dot-pitch the measurement that indicates the vertical distance between each pixel on a display screen.

111. Dot-matrix is an impact printer.

112. Plotter is a device that draws pictures on paper based on commands from a computer.

113. Word processor is an example of system software.

114. Word processor is most important program in computer.

115. Maintenance is the primary purpose of the OS.

116. MVS- Multiple Virtual Storage (Multiprocessing OS) = amiga.

117. OS for IBM PS/2 = OS/2

118. Real time OS = BLMX, CTOS, CCP(Dos not a real time OS)

119. Modem is a telecommunication processor.

120. 50,000 channels can a half-inch diameter optic cable carry.

121. Access control is the function of the telecoms software.

122. Ring network the ends are not connected.

123. HTTP is a network protocol.

124. One way of protecting the e-mail message is encryption.

125. HTH – Hope This Help.

126. Poboxes is mail forwarding facilities.

127. RAM is essentially empty.

128. Super computer can primarily useful for mathematical intensive scientific applications.

129. Winchester Disk is a Disk Stack.

130. The unit of hardware an operator uses to monitor computer processing is the console.

131. The access method used for cassette tape is sequential.

132. Teletype terminal is used for input and output both.

133. Semiconductor memory is volatile.

134. Word processing we understand string manipulation.

135. GUI’s - They make computers easier to use for non-professionals

They use icons and menus that users can select with a mouse.

136. Magnetic disk is not a sequence storage device.

137. Microfilm reader is a COM device.

138. 1st generation computers are characterized by vacuum tubes magnetic drums.

139. A memory bus is mainly used for communication between processor and memory.

140. The input unit of computer feeds data to the CPU or Memory.

141. Decoder is used as storage locations both in the ALU and the control section of a computer.

142. The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as CPU.

143. The first IBM PC did not have any disk drive.

144. A new technology which provides the ability to create an artificial world and have people interact with it is called Virtual reality.

145. SPSS stands for Statistical Package for Social Science.

146. The organized set of instructions to direct the computer in solving a problem is called program.

147. A high speed device used in CPU for temporary storage during processing is called Register.

148. Bubble memory is a combination of sequential and direct access devices.

149. ITS stands for Intelligent Tutoring System.

150. The unit of Speed used for Super Computer is GFLOPS

151. Impact printers strike a ribbon against the paper to produce character images.

152. The minimum number of MOS transistors required to make a dynamic RAM cell is 1.

153. Ultraviolet light erasable and electronically programmable is EPROM.

154. ROM- Non-volatile and may be written only once.

155. Non-volatile is important advantage of magnetic tapes, disks and bubbles.

156. ViciCalc – first spreadsheet software package – 1978.

157. Main memory holds data and processing instructions temporarily until the CPU needs it.

158. 1987 – IBM XT – Microcomputer released in the market.

159. Oval Slot part of the diskette should never be touched.

160. Main memory contains data and instructions.

161. Two new types of semiconductor memories are charge coupled devices, magnetic bubble memory.

162. A billionth of second is Nanosecond.

163. Program execution time would be minimum, if the programs are written in machine language.

164. 8 bit is bytes.

165. Normal speed of motor is rpm used for a floppy diskette driver is 200-300.

166. A level used to control the movement of a cursor on a video screen is joystick.

167. Primary storage is fast and expensive as compared to secondary storage.

168. The first electronic digital computer contained electronic valve.

169. Hard disks and diskettes are direct access storage devices.

170. A source program is the program written in high-level language.

171. EPROM consists of MOSFETs.

172. Input controls are often used to ensure that data has been accurately input to the computer.

173. Diskette is not used for storage purposed with main frame computers.

174. A step-by-step procedure used to solve a problem is called algorithm

175. No computer can do anything without a program.

176. A complete microcomputer system consists of microprocessor, Memory and peripheral equipment.

177. Control Unit co-ordinates the sequencing of events within the central processor of a computer.

178. The microprocessor of a computer cannot operate on any information if that information is not in its main storage.

179. The only things are moving around inside a computer are electrons.

180. Repairing a magnetic disk for data storage is called formatting.

181. The computers its program and data in its memory.

182. 1985 did Intel announce its 80386 processor.

183. Silicon chips are made from ordinary sand.

184. The least expensive OCR units can read marks.

185. In virtual storage, program segments stored on disk during processing are called page.

186. A code used to identify merchandise in retail store is Universal Product Code.

187. The main control computer in a network of distributed processors and terminals is host computer.

188. Field is a group of related characters that are related as a single unit.

189. one pica is 1/6”

190. The person who writes instructions that tell the computer how to handle input information is computer programmer.

191. A system which allows interaction between man and machine via some terminal devices is interactive.

192. A group of integrated parts is called system.

193. A third and last component of CPU is supervisory control unit.

194. The physical component of a computer system is Hardware.

195. A peripheral device in which the storage medium used in magnetic tape is tape deck.

196. A peripheral forming part of an interactive work station is known as terminals.

197. A bit which says something about a piece of data is called flag.

198. EAROM is an electronically alterable read-only memory.

199. A stand-alone system that produces one page of printed output at a time is page printer.

200. The complete picture of data stored in database is known as scheme.

201. RAM is used as short memory because it is volatile.

202. The essential features of a number are radix and set of distinct counting digits.

203. Low level computer language uses mnemonic codes.

204. An assembler is a program.

205. A storage system for small amounts of data is magnetic cards.

206. Any device that performs signal conversation is modem.

207. An input device that uses switch contacts placed under a plastic pad, which may be instructed with symbols is known as Touch Pad.

208. RAM stores the values of variables.

209. A data type that stores characters strings is called CHAR.

210. A file that has been transferred to a lower level in the memory hierarchy is known as Archive File.

211. The executive responsible for the data processing function in an organization is DPM.

212. Any type of storage that is used for holding information between steps in its processing is intermediate storage.

213. A code whose target alphabet contains only digits or strings of digits is known as numerical code.

214. The representation of numbers in the positional number system with radix 8 is Octal.

215. A general purpose single user microcomputer designed to be operated by one person at a time is PC.

216. The computers that are capable of performing over 10mb are called Super Computer.

217. A popular word processing program for microcomputer is WORD STAR.

218. A language that is close to that used within the computer is low level language.

219. Output unit decodes information and present to the user.

220. Main storage is also called memory.

221. Most important advantage of an IC is its extremely high reliability.

222. A computer language for informing the DBMS regarding the data structure used is DDL.

223. Data tablet uses much less computer time then the light pen and gives resolution equal to that of the CRT display.

224. A hand-held device for optically reading bar codes on goods, labels and shelves is Wand.

225. COBOL is a common business oriented language.