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Friday, May 21, 2010

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

Set 3

1. The report card and merit list forms the output data.

2. An IC contains 50 gates, each of which consists of 6 components. It belongs to MSI.

3. Laser disk of the following can store information in the form of microscopic bits on metal disks.

4. A device converting handwritten impressions into a computer is writing tablet.

5. Programmed instruction to the computer is known as code.

6. A local storage register, Address register contain the address of the next instruction to be executed.

7. The organization and interconnection of he various components of a computer system is architecture.

8. A Compiler and interprets are themselves programs.

9. Laser printer uses a combination of laser beam and electronic photographic techniques.

10. The part of a machine level instruction. Opcode tells the central processor what has to be done.

11. A system program, which helps the execution of user programs, is known as Batch Operation System.

12. A metal disk coated with ferromagnetic substance for storing data is Floppy Disk.

13. A memory device in which a location is identified by its content rather than by name is known as Associative Storage.

14. Off-line operation is the operation of devices without the control of CPU.

15. A storage device that is used to store data and information external to the main storage is known as Backing Storage.

16. A code, which uses more bits for each character then what is necessary, is known as redundant code.

17. Software that is loaded into a computer primary storage area is known as memory resident package.

18. Memory space used for the temporary storage of data is scratch pad storage.

19. A prewritten program that is said to perform a common task is called an application package.

20. Storage function of a computer is responsible for permanent storage of data.

21. Menu is a displayed listing of program option that users can select.

22. Output is a piece of equipment that receives information from a CPU.

23. The 0 and 1 in the binary numbering system are called binary digits or bits.

24. SIMM stands for Single-in-line memory.

25. Hard disks are formatted in the same manner as floppy disks. However, before a hard disk can be formatted it must first be portioned.

26. Static type of RAM works like a series of small switches.

27. RAM type of memory is for information that does change on your computer.

28. Today’s SIMS boast access speeds of 60, 70 or 80.

29. A computer that is capable of parallel processing is parallel computer.

30. The time interval between successive elements of a discrete time signal is Epoch.

31. A mechanism for arranging controlled access to a shared resource is lock-out.

32. A data structure consisting of several fields, some or all of which are instances of the same data structure is called Bead.

33. Communication using a modulated carrier to apply a data signal to a transmission medium in analog form is Broad Band Networking.

34. A small storage device on which information is stored and read by a laser is CD-ROM.

35. Linkage editor is a device to combine into a single module a set of program instructions that have been independently compiled.

36. A device mounted on a communication satellite, which receives amplifies and retransmits signals from earth station, is Transponder.

37. Page of the following high-speed non-impact printers are fast enough to print the entire book in about 1 minute.

38. Keyboard is of an operator console.

39. A software package that controls the timing and operation of control device is device driver.

40. A random access data storage device, which gives rapid access to data, is Disk Storage Unit.

41. A main control computer in a network of distributed processors and terminal is host computer.

42. Cycle time is equal to the product of the tape speed and recording density in magnetic tape.

43. IAS is called main storage or memory.

44. A network designed for data transmission and capable of carrying all types of traffic is ISDN.

45. A device that is moved by hand to indicate a precise position a digital tablet is mouse.

46. A copy of contents of all the workspace associated with a process is dump check.

47. An allocation that is made dynamically is Dynamic allocation.

48. A computer based system for the storage, cataloging and retrieval of documents is electronic filing.

49. An OS that is intended to support large numbers of interactive terminals is EMAS.

50. A logical device used for the construction of more complex statements from simpler statements is connective.

51. A logic gate is an electronic circuit which makes logic decisions.

52. The 3 functional elements of a digital computer are input device, output device and CPU.

53. A file needed for updating a master file is transaction.

54. A system that is designed to make a tape or disk sense from copying is protection.

55. A code that does not correspond to a valid character is known as illegal character.

56. IBM is the most powerful and largest computer manufacturer in the world.

57. Burner is a circuit that allows PROMs to be loaded with data.

58. A method of coding binary numbers as a set of thick and thin lines on paper is barcode.

59. Any set of data must be preserved over a long period is known as Archive.

60. Two new types of semiconductor memories are charge-coupled device.

61. As compared to the secondary memory, the primary memory of a computer is fast.

62. Select from the following the Novel Netware transport protocol NCP.

63. The numbers of layers in TCP/IP model and OSI reference model is 4.7.

64. The name of the protocol, which offers electronic mail service in TCP/IP model, is SMTP.

65. Find out the OSI layer, session layer performs token management.

66. The name of the protocol, which provides virtual terminal in TCP/IP model, is TELNET.

67. In multitasking networks. The packet from the source machine is transmitted to only a set of machines.

68. Telephone system employs the data transfer code full duplex.

69. In broadcasting network, the number of communication chance can be one-to-many.

70. X.25 handles the following numbers of layers 3.

71. Resource sharing, high reliability and scalability are goal of computer networks.

72. The duty of Internet Protocol is pocket routing similar to network layer.

73. HTTP is a protocol for fetching pages on the www.

74. C IP address class has few hosts per networks.

75. The data unit in the TCP/IP application layer is called a message.

76. Network OSI layer corresponds to the IP layer.

77. The transport layer protocol requires acknowledgement TCP.

78. TFTP file transfer protocol uses UDP.

79. TCP/IPs application layer corresponds to the OSI model’s top three layers.

80. UDP of the transport layer protocol is connectionless.

81. DNS, FTP and TELNET are example of a client-server mode.

82. FTP use TCP and establisher two virtual circuits between the local and remote server.

83. NFS applications allow a user to access and change remote files without actual transfer.

84. DNS can obtain the IP address of a host if its domain name is known and vice versa.

85. Hypertext documents are linked through pointers.

86. HTTP files retrieval method use hypermedia.

87. Dynamic types of web documents are created and stored at the server site.

88. Static types of web documents is fixed content and is created and stored at the server site.

89. CGI is used to build dynamic web document.

90. Veronica file retrieval methods use conditional expressions in its search fields.

91. An applet is an active document application program.

92. HTML is not a retrieval method.

93. Active types of web document are run at the client site.

94. Veronica file retrieval methods searches the contents of a file for requested information

95. CMIS TCP/IP protocol monitors and maintains an internet.

96. TELNET applications allow a user to log in to remote computer.

97. The data unit in the TCP/IP layer is called a frame.

98. Station address does the data link layer look for as it sends a frame one link to another,

99. Demodulation is the process of converting analog to digital signal.

100. A noiseless 3 KHz channel transmits bits with binary level signals. 6kbps is the max data rate.

101. Television channels are 6mhz. 24mbps bits can be sent if four level digital signals are used.

102. Coaxial cable has conductors with a common axis.

103. A device that can convert digital signal to analog signal is a modem.

104. Synchronous protocols allow faster transmission that asynchronous protocols do.

105. A network that requires human intervention of route signals is called a T-switched network.

106. Devices on one network can communicate with devices on another network via a gateway.

107. A device that links two homogeneous packet-broadcast local networks is Gateway.

108. Communication network is a collection of interconnected functional units that provides a data communications service among stations attached to the network.

109. Packet assembler/dissembler devices are used with an x.25 network to provide service to asynchronous terminals.

110. Machine that connects two or more electronic mail systems and transfers email messages among them is known as Mail gateway.

111. 9 Number of bits transmitted simultaneously in parallel data transmission used by microcomputers.

112. A modem is connected in between a telephone line and a network communication adapter.

113. Now-a-days computers all over the world can talk to each other; Modem is one of the special accessories essential for this purpose.

114. Satellite data transmission media has the largest terrestrial range without the use of repeater or other devices.

115. Modem is not used in local area networks.

116. A front end processor is a minicomputer that relieves mainframe computers at a computer center of communications control functions.

117. The OCR reading unit attached to a POS terminal is called a WAND.

118. The interactive transmission of data within a time sharing system may be best suited to half-duplex lines.

119. The communication mode that supports data in both direction at the same time is full-duplex.

120. A modem that is attached to the telephone system by jamming the phone’s handset into two flexible receptacles in the coupler is acoustic coupler.

121. Distributed queue dual bus is a standard for LAN.

122. The slowest transmission speeds are those of twisted-pair wire.

123. Bus is one or more conductors that some as a common connection for related group of devices.

124. 9600 transmission speeds in BPS used in data communication.

125. Working of the WAN generally involves Telephone lines, microwaves and Satellites.

126. Transmission of computerized data from one location to another is called Data communication.

127. Modem is the name of the device that converts computer output into a form that can be transmitted over a telephone line.

128. ISDN stands for Integrated Services Data Network.

129. A communications device that combines transmissions from several I/O devices into one line is a Multiplexer.

130. Binary countdown is a collision free protocol.

131. Operating system functions may include input/output control, virtual storage and multiprogramming.

132. Narrowband channels moves data relatively slowly.

133. Three OSI layers are covered in the x.25 standard.

134. The x.25 standard specifies a DTE/ECE interface.

135. Layer one of the OSI model is physical layer.

136. Full duplex data communication method is used to transit the data over a serial communication link.

137. Number of bits per symbol used in baud code is 5.

138. The chipset modem can transmit 300 bits per second.

139. A local area network that connects thirty personal computers can provide more computing power than a minicomputer.

140. The application layer of a network consists of software being run on the computer connected to the network.

141. A packet-switching network can reduce the cost of suing an information utility and allows communication channels to be shared among more than one user.

142. 1 Pairs of stations can simultaneously communicate on Ethernet LAN.

143. 5-7 digits are known as the area code of the network user address.

144. Gateway is used to connect two systems, especially if the systems use different protocols.

145. 254 hosts are attached to each of the local area networks at your site.

146. ICMP (Internet Control Message Protocol) a protocol that handles error and control message.

147. Telnet TCP/IP protocols are used for remote terminal connection service.

148. REPEATER devices copies electrical signals from one Ethernet to another.

149. Serial transmission modes are used for data communication along telephone lines.

150. 2 is the minimum number of wires required for sending data over a serial communications links.

151. A network that is used for sharing data, software and hardware among several users owning microcomputers is called LAN.

152. Different computers are connected to a lab by a cable and an interface card.

153. Communication circuits that transmit data in both directions but not at the same time are operating in a half-duplex mode.

154. Modulation = converting digital signals into analog signals

155. Demodulation= the process of converting analog signals into digital signals so a receiving computer can process them is referred.

156. Coaxial cable, fiber optic cable and microwave circuits are considered as broadband communications channel.

157. The transfer of data from a CPU to peripheral devices of a computer is achieved through computer ports.

158. Mesh is the name of the network topology in which there are bidirectional links between each possible node.

159. Baud is commonly used unit fro measuring the speed of data transmission.

160. Full-duplex communication modes support two-way traffic but in only once of a time.

161. VDR signals are not standard RS-232-c signal.

162. 2 is the minimum number of wires needed to send over a serial communications link layer.

163. The loss in signal power as light travels down the fiber is called attenuation.

164. While transmitting odd-parity coded symbols, the number of zeros in each symbol is even.

165. The amount of uncertainly in a system of symbol is called Entropy.

166. The area of coverage of a satellite radio beam is known as footprint.

167. LAN can transmit faster than telecommunications over public telephone lines and using twisted-pair wiring or coaxial cables.

168. A center computer surrounded by one or more satellite computers is called a Star network.

169. FDDI is a ring network.

170. Binary countdown is virtual terminal.

171. Devices interconnected by the LAN should include computers & terminals, bridges & gateways and mass storage device, printers & plotters.

172. Modulation in amplitude-shift keying two different amplitudes of the carrier frequency represents the two binary values.

173. Application layer of OSI determines the interface often system with the user.

174. X.25 network access standards are used for connecting stations to a packet switched network.

175. ARP (address resolution protocol) is a TCP/IP protocol used to dynamically bind a high level IP address to a low-level physical hardware address.

176. FTP TCP/IP protocols are used for transferring files from one machine to another.

177. A communication network, which is used by large organization over regional, national or global area, is called WAN.

178. A network that needs human beings to manually route signals is called T-switched network.

179. Telephone system uses half-duplex communication.

180. Token ring is not a popular LAN access method.

181. Frames from one LAN can be transmitted to another LAN via the device bridge.

182. Packets from one network can be transmitted to another different network using a device, namely router.

183. Sonnet is an acronym for network Synchronous optical.

184. Physical and data link layers does the FDDI protocol operate.

185. In FDDI, data normally travel on the primary ring.

186. FDDI LAN has the highest data rate.

187. The MAU houses the switches in token ring.

188. FDDI is an acronym for fiber distributed data interface.

189. BSC protocol uses half-duplex mode for transmission.

190. HDLC is an acronym for high-level data link control.

191. If the ASCII character h is sent and the character l is received, burst type of error is this.

192. The sharing of the medium and its path by two or more devices is called Network.

193. FDM multiplexing technique transmits digital signals.

194. Dialog control is a function of the session layer.

195. The physical layer can use the trailer of the frame for error detection.

196. Layer 2 lies between the physical layer and the network layer.

197. In Mesh topology, if there are n devices in a network, each device has n-1 ports for cables.

198. A television broadcast is an example of simplex transmission.

199. Communication between computer and a keyboard involves simplex transmission.

200. Star topology requires a central controller or hub.

201. A tree topology requires a multiunit connection is Bus.

202. Includes terminals, telecommunication processors, channels, computers and control software are telecommunications network components.

203. A common communications processor for microcomputers is Modem.

204. Helps a communications channel carry simultaneous data transmissions from many terminals select the best fit for answer.

205. PC-AT developed in 1984.

206. PC-XT developed in 1983.

207. Computer requires 220V ac.

208. XT keyboard has 83 keys.

209. AT keyboard have 101 keys.

210. The maximum length in DOS command is 127 characters.

211. The break checking command is CTRL+C.

212. The key is used to restore previous command line is F3.

213. The first OS was developed in 1950.

214. To properly exit Windows select shut down from the start menu.

215. Taskbar component appears in the initial Windows startup display.

216. A (n) icon can be defined as a small illustration or graphic that appears on the desktop and represents a program or group of information.

217. Press [Alt]+[Tab] can be used to switch tasks in Windows.

218. The desktop can be defined as the entire Windows display and can be envisioned as the electronic equivalent of your own desk’s surface.

219. The start menu was designed to afford windows users with a more efficient means of starting programs and undertaking other windows tasks.

220. A document can be defined as a file that associated with a program.

221. Accuracies are program group.

222. To close a menu, click outside it or press [Esc].

223. You can switch from one program to another on the desktop by clicking within the desired program’s window or by clicking on its Taskbar button.

224. Find is a new windows feature that offers a number of methods for searching for a file or folder.

225. A folder is a windows component that is designed to store other components so these can be organized efficiently.

226. To select a menu item, click the item with your mouse on menu.

227. My computer window includes icons that represent the disk drive installed on computer.

228. A window includes Menu bar, Pane and Close button.

229. View menu bar selection would you access to rearrange disorganized icons in a window’s pane.

230. Tools offer a fast, convenient way to accomplish common actions.

231. Small icon menu option would you choose if a large number of icons were excluded from a window’s pane due to lack of space.

232. To start windows explorer from the start menu, click programs in the start menu. The windows explorer should then be chosen from the menu that pulls down.

233. Tools menu you encounter in an exploring window’s menu bar.

234. To select a different object in the contents pane, press your keyboard’s arrow keys until the highlight is positioned over it.

235. Find can be used to locate a program, Document and network computer.

236. Drive space is a disk compression program.

237. The problem with fragmented file is that they slow your computer’s operation.

238. Scandisk, Drive Space and Disk Defragment are located in the system tool menu.

239. Backup would you use to create copies of important information stored on your fixed disk drive.

240. Although a compressed drive appears to be a physical disk drive. It s in fact a file that has been created on your disk.

241. Drive space program effectively increase your disk drives storage capacity.

242. The clipboard is a temporary storage area in memory where you can attach text or graphic information.

243. Other users who are connected to your computer via a network can access your Clip Book.

244. The Clip Book is permanent storage area, where you can save information.

245. You can cut or copy text and graphic from other command to the clipboard.

246. Information can be copied from other command and stored on the clipboard.

247. Once text has been cut to the clipboard, you can paste that text into another document.

248. You can view data store on the clipboard in several different format.

249. Paste Special edit menu item would you choose to copy data from the clipboard to receiving a document in a new format.

250. A (n) Linked object is not the actual data, but it instead a pointer to the data located in the source.

251. To embed an object, you must access the Insert Object dialog box.

252. Linking is a tool that you can is to utilize your programs more efficiently.

253. A (n) Object is the information being linked or embedded.

254. If data is linked, changes made in source document are automatically reflected in the receiving document.

255. An embedded object might appear in a document as text, graphic and an icon.

256. A (n) embedded object is a copy if the information that still exists separately in the source document.

257. To embed an object, select new object from the windows Insert menu.

258. To create link, you must select Paste Special from the window Edit menu.

259. If data is embedded when you double click it, the originating program opens with the embedded data intact.

260. Utility programs that repairs disk errors is Scandisk

261. A utility that can be used to minimize the number of fragmented files and enhanced the speed.

262. The following will not cut selected text or information and place it on the clipboard is pressing [Ctrl]+[Delete].

263. When you are browsing the contents of your computer, do this to move back or up to the previous level or folder.

264. Computers store information on ROM types of disk.

265. The WordPad program includes the ability to use different font’s features.

266. By right clicking your hard drive and selecting Properties, you can access Scan Disk, Disk Cleanup and Disk Defragmenter program EXCEPT Drive Converter (FAT32).

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