பல்சுவை தகவல்கள் - Thagavalgal in Tamil பல்சுவை தகவல்கள் - Thagavalgal in Tamil

பல்சுவை தகவல்கள் - Thagavalgal in Tamil- Interesting Information in Tamil Useful Information you should know - Computer Tips, Health Tips, online offers, and more helpful Tips and Tricks நீங்கள் தெரிந்து கொள்ள வேண்டிய பயனுள்ள தகவல்கள்

செவ்வாய், 25 பிப்ரவரி, 2014

Make your Hidden Folder



1.Make a folder in C drive  rename it as “abc” without quotes.
2.Now open Command prompt from start menu.
3.Type “attrib +s +h C:\abc”without quotes and press enter.
4.This command will make your folder invisible and it cannot be seen even in hidden files and folders.
5.To make it visible again type “attrib –s –h  C:\abc “ without quotes.
6.You can lock any other folder by changing the location C:\abc to the address of the folder.

Computer Knowledge (51-100)




51. Data items grouped together for storage purpose are called
· A. list
· B. title
· C. record
· D. string

52. A terabyte comprises
· A. 1024 gigabyte
· B. 1024 kilobyte
· C. 1024 megabyte
· D. 1024 byte

53. ISOC stands for
· A. Internal Social Communication
· B. Intranet Society
· C. Internet Society
· D. None of the above

54. The process of starting the computer and loading of operating system programs for
execution is known as
· A. searching
· B. loading
· C. booting
· D. initialization

55. Which of the following groups consist of only output devices?
· A. Mouse, Printer, Monitor
· B. Plotter, Printer, Monitor
· C. Scanner, Printer, Monitor
· D. Keyboard, Printer, Monitor

56. A keyboard is this kind of device
· A. input
· B. output
· C. word processing
· D. none of these

57. Which is the latest type of printer interface?
· A. DVI
· B. Parallel
· C. USB
· D. Serial

58. The various modem speed consist of
· A. 9600 bps, 14,400 bps
· B. 28,800 bps, 33,600 bps
· C. 56,000 bps
· D. all the above

59. Second generation computers started appearing in
· A. 1950
· B. 1955
· C. 1960
· D. 1970

60. Memory unit is one part of
· A. output device
· B. input device
· C. central processing unit
· D. control unit

61. Which of the following is the most powerful type of computer?
· A. megaframe
· B. super computer
· C. super conductor
· D. super micro

62. ----- is need to build dynamic web documents.
· A. CGI
· B. Java
· C. HTML
· D. All of the above

63. Web pages are written using
· A. URL
· B. HTML
· C. HTTP
· D. FTP

64. The parity bit is added for the purpose of
· A. coding
· B. error detection
· C. indexing
· D. controlling

65. Which of the following memories is an optical memory?
· A. Bubble Memories
· B. Floppy Disk
· C. CD–ROM
· D. Core Memories

66. The elements of graphical input devices are
· A. event
· B. action
· C. state
· D. all the above

67. A snapshot type recordset can contain fields from
· A. one table
· B. two tables
· C. one or more tables
· D. either one or two tables

68. A long double data occupies
· A. 8 bits
· B. 16 bits
· C. 32 bits
· D. 64 bits

69. What is the primary requisite of a good computer programmer?
· A. artistic mind
· B. mathematical mind
· C. scientific knowledge
· D. logical mind

70. Find the odd one out?
· A. keyboard
· B. touch screen
· C. mouse
· D. printer

71. Information can be stored or retrieved from memory location through its
· A. input
· B. value
· C. address
· D. variable declaration

72. India’s first super computer is
· A. Agni
· B. Trisul
· C. Flow solver
· D. Param

73. Java was originally invented by
· A. Oracle
· B. Sun
· C. Novell
· D. Microsoft

74. Pick the odd one out
· A. Windows
· B. Novell
· C. IBM
· D. Microsoft

75. FPI stands for
· A. Figure per inch
· B. Faults per inch
· C. Film per inch
· D. Frames per inch

76. Typewriter is an example of
· A. impact printer
· B. character printer
· C. both (a) and (b)
· D. none of these

77. The finished result of processing by a system is
A. input
· B. output
· C. processing
· D. all the above

78. CD–ROM is a kind of
· A. magnetic disk
· B. magneto–Optical disk
· C. optical disk
· D. none of these

79. The full form of TCP is
· A. Total control Protocol
· B. Transmission control protocol
· C. Totalling control program
· D. Transmission control program
80. Which of the following is the most appropriate unit for measuring the storage capacity
of a hard disk?
· A. bit
· B. byte
· C. mega byte
· D. tera byte

81. Find the odd man out
· A. Google
· B. Lycos
· C. altavista
· D. java

82. The first mechanical computer designed by Charles Babbage was called
· A. Calculator
· B. Abacus
· C. Processor
· D. Analytical Engine

83. C is
· A. A machine language
· B. A third generation high level language
· C. An assembly language
· D. All of the above

84. In a high resolution mode, the number of dots in a line is
· A. 320
· B. 520
· C. 640
· D. 840

85. The External commands normally come with the extension
· A. .COM
· B. EXE
· C. .BAT
· D. All the above

86. Which of the following might be used to convert high level language instructions into
machine language?
· A. An interpreter
· B. An operating environment
· C. System software
· D. Application software

87. A variable that holds the memory address of another object is called an
· A. pointer
· B. constant
· C. memory variable
· D. integer


88. Which gate is a single integrated circuit?
· A. CPU
· B. Mother Board
· C. Chip
· D. Gate

89. Coded entries which are used to gain access to a computer system are called
· A. entry codes
· B. codewords
· C. security commands
· D. passwords

90. The components of UNIX consists of
· A. Application software
· B. UNIX utilities
· C. Kernel
· D. All the above

91. A temporary storage area, attached to the CPU, for I/O operations is a
· A. buffer
· B. register
· C. core
· D. channel

92. Which of the following is NOT operating system?
· A. Unix
· B. Java
· C. Dos
· D. Window NT

93. The topology or types of networks are
· A. Ring topology
· B. Star topology
· C. Bus topology
· D. All the above

94. Which command can be used to copy the contents of the current database file to a
new file?
· A. COPY
· B. COPY FROM
· C. COPY TO
· D. None of the above

95. Which statement can be used to immediate exit from a loop construct?
· A. Quit
· B. Exit
· C. Stop
· D. Any of the above

96. Cassette tape is
· A. a primary storage medium
· B. volatile storage medium
· C. a secondary storage medium
· D. none of these

97. The following is not a input devices
· A. Voice recognition devices
· B. Printer
· C. Optical scanners
· D. Keyboard

98. A secondary storage device that uses a long plastic strip coated with a magnetic
material as a recording medium is
· A. hard disk
· B. magnetic tape
· C. compact disk
· D. none of these

99. FoxPro is generally used for
· A. scientific calculations
· B. engineering applications
· C. business applications
· D. all the above

100. A storage medium that retains its contents even in the absence of power is referred as
· A. volatile storage
· B. non volatile storage
· C. primary storage
· D. secondary storage

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