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

Set 10

1. CPU Chip does a computer add and compare data.
2. Computer cannot do anything without a program.
3. The word ‘computer’ usually refers to the central processor unit plus internal memory.
4. A computer is a box full of electronic switching device.
5. Processors of all computers, whether micro, mini or mainframe must have ALU, primary storage and control unit.
6. The basic components of modern digital computers are Input device, output device and central processor.
7. The term memory applies to storage.
8. Group of instructions that directs a computer is called program.
9. Output device can produce the final product of machine processing into form usable by humans.
10. Input device can read data and convert them to a form that a computer can use.
11. Keyboard is used the most in the input phase of a computer-based information system.
12. Floppy disk storage device can be carried around.
13. These are true of primary storage; information must be transferred to primary storage, it allows very fast access to data and it is the part of the CPU.
14. COM (computer output microfilm) is not an input device.
15. The central processing unit consists of control unit, arithmetic logic unit and primary storage.
16. Primary storage is fast and expensive as compared to secondary storage.
17. The most popular secondary storage today is floppy disk.
18. OMR is widely use in academic testing.
19. Linkage between the CPU and the users is provided by peripheral devices.
20. Magnetic tape can serve as input, output and secondary storage media.
21. Terminal is required when more than persona uses a central computer at the same time.
22. Large computer systems typically use line printers.
23. The 2 kinds of main memory are ROM and RAM.
24. The silicon chips used for data processing are called Microprocessor.
25. The hardware in which data may be stored for a computer system is called memory.
26. ROM is the computer memory that does not forget.
27. The computer memory used for temporary storage of data and program is called RAM.
28. ROM memory is essential empty.
29. The monitor of computer is connected to it by a cable.
30. The metal disks, which are permanently housed in, sealed and contamination free containers are called Winchester disk.
31. Everything computer does is controlled by its CPU.
32. A Winchester disk is a disk stack.
33. The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is known as program counter.
34. The register, which contains the data to be written into or readout of the addressed location is known as memory data register.
35. A collection of wires that connects several devices is called cable.
36. The register which holds the address of the location to or from which data are to be transferred is known as memory address register.
37. The ALU of a computer normally contains a number of high-speed storage elements called registers.
38. Memories in which location can be reached in a fixed amount of time after specifying its address is called RAM.
39. Average access time in the magnetic disk is of the order of 50millisecond.
40. Disk is a secondary memory device.
41. A floppy disk contains both circular tracks and sector.
42. Magnetic disk is not a sequence storage device.
43. Instruction register is loaded with the contents of the memory location pointed by the PC.
44. Program counter is used to keep track of address of the memory location where the next instruction is located.
45. EPROM chips are erasable by ultra-violet rays after removing them from the main circuit.
46. ROM is non-volatile and may be written only once.
47. ROM is programmed at the time it is manufactured.
48. Magnetic tape is non-volatile.
49. Data entry can be performed with all of the following OCR, OMR and Voice recognition except COM.
50. A kind of serial dot matrix printer that form characters with magnetically charged ink sprayed dots is called Laser printer.
51. Daisy wheel printer is classified as an impact printer.
52. OCR is the name of the reading device which makes use of photo sensors and laser technologies to interpret printed, typed or even hand written data directly from the source document.
53. EEPROM can be reprogrammed with special electric pulses.
54. In MSDOS 6.22, this is the number that acts as a code to uniquely, identify the software
product 6.22.
55. While working with MS-DOS ‘DATE’ command will you use to display system date.
56. With MS-DOS Format command will divide the surface of the blank floppy disk into sectors and assign a unique address to each one.
57. Each time you turn the power switch on which control files the computer will check command.com, IO.sys and MSDOS.sys
58. While working with MS-DOS, diskcopy command would be used to duplicate the entire diskette.
59. Bak filename extension suggests that the file is backup copy of another file.
60. Dir command will be used to view the contents of the directory of the current disk drive.
61. Dir/w command will be used to display only the file names and extensions in wide format.
62. Dir/b command will be used to display file and directory names only without size date and time information.
63. Dir/c command will be used to display column file compression ratios for each file of double spaced disk.
64. Dir/ch command will be used to display the compression ratio of double space files on the basis of the cluster size of the current drive.
65. Dir\pathname\pathname command will be used to display all files within the specified subordinate directory of the subdirectory.
66. Dir\pathname\filename command will be used to display a file within the specified directory or pathname.
67. MD or MKDIR command in used to create a directory or subdirectory.
68. CD or CHDIR command in used to display the name of the current directory or change from one directory to another.
69. RD command is used to delete the directory that is empty.
70. Deltree command is used to delete the directory and all its contents in one step.
71. Del*.*/p command is used to asks you to confirm that you want to delete the directory.
72. Tree|more command is used to display the subdirectory structure of the currently logged drive and pause the screen display after each scornful of the information.
73. Path command is used to provide access to files located in other directories or disks.
74. While working with MS-DOS, copy command is used to copying the files to transfer from one PC one another.
75. Copy a:*.txt command is used to copy all files from drive a with extension .txt to the currently logged drive and directory.
76. While working with MS-DOS copy*.txt A: command is used to copy all files from the currently logged drive and directory with the extension .txt to the drive a.
77. While working with MS-DOS, copy *.txt all.txt command is used to copy all files with the extension .txt into one file named all.txt
78. While working with MS-DOS, Ren\dir1\file1.doc file2.doc command is used to rename a file named file1.doc to file2.doc from a different directory called dir1.
79. While working with MS-DOS, move command is used to move file from one directory to another.
80. Del A:\ command is used to delete all the files in the root directory of drive A:
81. Undelete*.doc command is used to undelete delete a bunch of files with extension doc that you have just you have deleted.
82. Undelete/list command is used to display a list of deleted files that DOS can undelete.
83. Format command is used to create root directory and FAT on disk.
84. RAM_$.txt is valid file name assign in MSDOS.
85. RAM*.txt and RAM?.doc are not valid file name assign in MSDOS.
86. Command.com file in MSDOS contains internal commands that are loaded during booting process.
87. Autoexec.bat is the file name of the batch file that is automatically run when MSDOS is booted.
88. External commands type of commands in DOS needs additional files for their execution.
89. /S switch should be used in the DIR command to view files in all directory.
90. Scandisk is the best tools for fixing errors on disks.
91. /V is the switch that is used to make sure that the copy command copied files correctly.
92. will be the output of the command PROMPT $L$P$G.
93. Directories can exist inside directories.
94. The root directory is always at the highest level.
95. Directories with files can be deleted.
96. Directories cannot be renamed is false statement.
97. Format command can be used to create the disk’s tracks and sectors.
98. DISKCOPY can be used on hard disks.
99. FAT stands for File Allocation Table.
100. VER command in DOS is used to display the version of MSDOS.
101. Valid file name in MSDOS= myfile.dos, check$.(1) and verified.###
102. Invalid filename in MSDOS = qwerty.1?3
103. Virus stands for Virtual information resource under seize.
104. Undelete command in DOS can be used to recover accidently deleted files.
105. Label command in DOS is used to set a name to a disk.
106. DIR/o:N commands displays names of files in sorted order.
107. DOSKEY command displays the list of all previous commands entered by users.
108. OS runs on computer hardware and serve as platform for other software’s to run on.
109. OS is the layer of a computer system between the hardware and the user program.
110. The primary purpose of OS is to make the most efficient use of the computer hardware.
111. Software transforms one interface into another interface.
112. Operating system is built directly on the hardware.
113. Multiprogramming systems execute more jobs in the same time period.
114. OS is the first program run on a computer when the computer boots up.
115. Hardware interface consists of things like program counter, registers, interrupts and terminals.
116. OS shares characteristics with both hardware and software.
117. Two level implementation is used in operating system to separate mechanism from policy.
118. The OS creates virtual computers from the physical computer.
119. Swapping allows each program in turn to use the memory.
120. MS-DOS does not implement multitasking truly.
121. When a computer is first turned on or restarted, a special type of absolute loader called bootstrap loader is executed.
122. Poor response times are usually caused by process busy or high I/O rates or high paging rates.
123. Spooler is not a utility.
124. A co-processor is relatively easy to support in software.
125. Windows 2000 OS do you choose to implement a client-server network.

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

Set 9

1. The computer Memory holds data and program

2. Octal numbers are used external to computer.

3. The number 1000₂ are equivalent to decimal number eight.

4. The checking operation performed on input data is called the validation of data.

5. The larger RAM of computer, the fastest processing speed is, since it eliminates frequent disk I/Os.

6. The temporary or volatile memory of a computer is erased when the computer is turned of. Accordingly, the computer user before turning off the machine must transfer anything in the memory, which is important to permanent memory.

7. Laser card is conceptually related to the smart card but is similar to the video disk.

8. The time taken for the read/write head to move to the correct track on the magnetic disk is called seek time.

9. Laser printer can be classified as a page-at-a-time printer.

10. The metal-oxide semiconductor (MOS) transistor is the real forerunner of the modern chip. In 1960 year was it invented.

11. In modems a digital signal changes some characteristic of a carrier wave.

12. Information retrieval is fastest grow in Hard disk.

13. Garnet magnetic material is normally used in bubble memories.

14. The process of entering data into a storage location causes variation in its address number.

15. Fully connected mesh topologies is highly reliable.

16. Ring topology is not broadcast type.

17. A diagram that illustrates the order of functions in a program is called a Flowchart.

18. Arithmetic operations are coded in processing symbols.

19. A magnetic tap volume that is used on a data process operator without any change to its contents is Master tapes.

20. Opteron is the name of the 64-bit Microprocessor developed by AMD.

21. Mercury computer peripheral manufacturer quotes – empowering you PC.

22. SCSI is a term related with storage.

23. Microsoft company did SCO sue for using code UNIX in its Operating System.

24. PPM is the units used to count the speed of a printer.

25. W3C organizations look at standards for representation of data on the internet.

26. NIC is the other name for a LAN card.

27. Optic fiber cables can transmit data at high speed.

28. TWAIN is a term related with scanners.

29. Bill Joy is the founder of BSD Unix.

30. Lars Ellison is the founder of Oracle Corporation.

31. Direct X is software that drives graphic hardware.

32. When you purchase a product over a Mobile Phone, the transaction is called m-Commerce.

33. The basic operations performed by a computer are Arithmetic & Logical operation, storage and relative.

34. The earliest calculating devices are Abacus.

35. Blaise Pascal built the first Mechanical Calculator.

36. Punched cards were first introduced by Herman Hollerith.

37. Computers built before the first generation of computers were Electro-mechanical.

38. World length of a PC is 8-bits.

39. Size of the primary memory of a PC ranges between 256KB & 640KB.

40. CPU speed of a personal computer is 100KIPS.

41. Programs are executed on the basis of a priority number in a Multiprogramming.

42. In a high resolution mode, the number of dots in a line will usually be 640.

43. Programs stored in ROM are called Firmware.

44. The unit KIPS is used to measure the speed of Processor.

45. IC is classified on the basis of number of transistors.

46. MDR (Memory Data Register) hold the number of transistors.

47. A compiler translates a high level language into machine language.

48. Computer Software includes Application, Packaged and Operating system programs.

49. Assembly language is the easiest language to write programs.

50. A source program is a program to be translated into machine language.

51. When a key is pressed on the keyboard, ASCII standard is used for converting the keystroke into the corresponding bits.

52. A pixel is the smallest resolvable part of a picture.

53. Mouse is used as the standard pointing device in a Graphical User Environment.

54. 2 number system is usually followed in a typical 32-bit computer.

55. Touch screen is not an output device.

56. CDROM devices are a limitation that we can only information to it but cannot erase or modify it.

57. Laser technology is used in compact disks.

58. Hard disk storage devices can store maximum amount of data.

59. Seagate is the largest manufacturer/leader of Hard disk drives.

60. Programs which are as permanent as hardware and stored in ROM is known as Firmware.

61. Memory is made up of large number of cells.

62. Primary memory stores data, programs and results alone.

63. EPROM can be used for Erasing and reconstructing the contents of ROM.

64. Microprocessor can understand difference between data and programs.

65. The contents of information are stored in Memory data register.

66. Memory unit is one part of CPU.

67. Algorithm and flow chart help us to specify the problem completely and clearly.

68. 8”, 5 ¼” and 3 ½” are valid size of floppy disk but 5 ½” is not.

69. Hard disk can store large amounts of data.

70. Zip disk is handy to carry yet can store large amounts of data.

71. 360kb, 720kb and 1.44kb are valid store capacity of floppy disk but 1.24kb not.

72. Data is stored in computers as Files.

73. Optical technology is used in a CDROM Drive.

74. MTBF means Mean time between failures.

75. Floppy disk drives were first introduced by IBM computer manufacturer.

76. Floppy disk drives were originally designed by SONY.

77. Usually, in MSDOS, the primary hard disk drives have the drive letter C.

78. RAM is often used in a typical computer operation.

79. Time taken to move from one cylinder of a HDD to another is called Average seek time.

80. DIMM RAM times have to be refreshed often in order to retain its contents.

81. AND, OR & NOT are logic gate but NAT is not.

82. The Analytical Engine developed during 1^st Generation of computers used counter wheels as a memory unit.

83. Write cycle times of RAM and EEPROM are 1000 times.

84. MOS stands for Metal Oxide Semiconductor.

85. Magnetic Tapes are mounted on reels.

86. Cache memories are bigger than RAM is false.

87. Information in ROM can be written by users is false.

88. Cache memories are smaller than RAM is true.

89. ROM is faster than RAM is false.

90. Testing is a failure if a program doesn’t work correctly.

91. Robustness is not a characteristic for testability.

92. Cyclimatic complexity method comes under white box testing method.

93. A sub-path is a sequence of statements from one place in the program to another.

94. Loop Testing comes under white box testing method.

95. Simple, nested and concatenated loops can be successfully tested using Loop Testing methodology.

96. Graph based testing comes under Black box testing method.

97. Alpha and Beta testing methods are used by end-users who actually test software before they use it.

98. To test a function, the programmer has to write a Driver, which calls the function and passes it test data.

99. In a computer Flip flop is capable to store single binary bit.

100. A set up flip flops integrated together is called Register.

101. Bytes are the best units of data on an external storage device.

102. A register organized to allow moving left or right operations is called a Shift register.

103. Compact disks are the cheapest memory devices in terms of Cost/Bit.

104. Semiconductor memories have the fastest access time.

105. Dynamic and static are semiconductor memory.

106. CDROM is a read only memory storage device.

107. DMA Stands for Direct Memory Access.

108. On a Dot-Matrix Printer, you should never lubricate print head pins part.

109. C:\ windows you can find user.dat

110. Protected mode cans two or more applications are stored in memory at the same time.

111. In inkjet technology the droplets of links are deflected by Multidirectional nozzles.

112. All OS gets their total memory initialized from BIOS.

113. MSD.exe does not have information on cache.

114. Imy.file.doc is a valid file name in win95/97/98.

115. During boot up, the memory test is a super flow state that should be ignoring.

116. After upgrading your system to a new DOS version, and older application displays the error message incorrect DOS version. Use the setver command do you run this application.

117. You were installing an application in Windows 95 and the computer crashes, Press alt+ctrl+delete, and end task.

118. Emm386.exe DOS driver is used to emulate expanded memory.

119. Video controller is LEAST likely to interfere with upgrading to a newer DOS version.

120. Toner Cartridges are the easiest components to environmentally recycle.

121. A wrist-grounding strap contains resister.

122. AC outlet is the best ground for a conductive workbench.

123. PCI type of system board is the most likely candidate for processor upgrading want maximum performance and future compatibility.

124. A hard disk is divided into tracks sectors are further subdivided.

125. 7 is the highest binary number that can be referred to on a three-position jumper block.

126. TWI primary performance restrains for mass storage devices are Disk access time.

127. SCSI hard drives provide the fastest access to large video files.

128. When connecting two internal SCSI hard disks to a computer, any open SCSI port on the computer do you connect the second hard drives?

129. RAM provides the fastest data access time.

130. Execute program instruction does the CPU do.

131. SCSI controller would support an external CD-ROM drives.

132. PCMCIA specification covers PC hard cards.

133. ESD would cause the most damage to expansion board components.

134. Parallel and serial port sends and receives information from other devices.

135. Parallel port provides the FASTEST throughout the laser printers.

136. A customer has one printer on LPT1 and wants to another printer. To COM1, COM2 and LPT2 port should it be connected?

137. UART 16550 hardware component control serial port communications.

138. COM1 is typically represented by 9 pin male port.

139. Modem should transmit 14400-15000 bits per second.

140. As modem could e attached to Parallel port.

141. Disk diagnostics is a type of preventive maintenance used on a hard drive.

142. It is most important to keep hard drives and diskettes away from temperature extremes and magnetic devices.

143. Upper memory blocks are located reserved memory.

144. You suspect a virus has entered your computer. CMOS the virus will not affect.

145. To install a second IDE drive into a computer, you must set the master-slave jumper to slave on the second drive.

146. After doing a low-level format, format DOS partition would be the step in configuration the hard drive in a system.

147. Bad RAM component would most likely cause its error.

148. ATZ command is used to reset a MODEM.

149. In the DOS memory model, High Memory Area (HMA) is the first 64k of extended.

150. To optimize the conventional memory, DOS=HIGH command do you use to load DOS into HMA.

151. DOS=UMB would you allow device drivers and TSR's to be loaded into Upper Memory Block's.

152. During boot-up, the memory test: Checks and verifies that contiguous memory installed.

153. During the boot process, a system first counts memory from Power up boot process.

154. RAM, CPU and Video card could cause a blank screen.

155. To find out how much memory is available, you could type MEM.

156. When you boot a PC and don’t hear any beep, this couldd suggest bad or disconnected speaker.

157. During the normal PC boot process, ROM BIOS is active first.

158. ESD is most likely to couse failures on RAM modules and I/O controler components.

159. In order for modem to accept data, carrer detect and revise data signals must be present.

160. The acronym HDI stands for: Help Desk Interference.

161. PC drum part of the Laser printer should not be exposed to sunlight.

162. 4 DMA channels are in an AT-machine.

163. 127 devices does USB support.

164. When seeking to upgrade for a particular motherboard Make & Model do you need to know.

165. 15 pins on a VGA.

166. Size(heads, cylenders, sectors) are held in CMOS for th hadr drive.

167. ATX keyboard and Parallel printer has the same looking connectors.

168. Laser printer should not be pluged into standard ups.

169. Provide better system cooling and Increase CPU processing speed are the benefits of cleaning the inside of a computer.

170. 4MB video RAM is needed to display 1024*768 at 24bit color.

171. Pentium MMX, Cyrix MII and AMD K6 processors will fit in the same socket.

172. Speed, ease of configuration and expansion are the advantages of the USB.

173. Internet streaning SIMD extensions new technology was added to the PIII.

174. WRAM is used on a video card.

175. ISA, PCI & AGP expansion types do most PII/PIII motherboard support.

176. BIOS/CMOS is modified when changing the system start-up boot sequence.

177. MMX was added to the Pentium to handle multimedia functions like sound and video.

178. Modem use synchronous transmission.

179. ATH command is used to hanguup modem when using the “AT Comand set”.

180. When configuring is a network interface cards withoud jumpers or plug and play, Configuration software is used to set the IRQs.

181. Limited numbers of computer involved and computer acting as both a client and a server are characteristics of peer to peer networking.

182. Protocol is a comon language that computers use to talk with one another on a network.

183. Wit respect to a network interface card,the term 10/100 refers to mbps.

184. When installing PCI NICS you can check the IRQ availabiity by looking at motherboard BIOS.

185. 10 Base T type of cable mostly likely I use with RJ-45 connectors.

186. Character per secends do we use to measure dot-matrix printers.

187. Duplexer allows you to print on both sides of the printers.