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.