100 Computer Questions and Answers Page – 4

61. Computers use the ………………… Number System to store data and perform calculations? Binary

62. FTP stands for? File Transfer Protocol

63. Full form of BIOS is? Basic Input Output system

64. The purpose of the primary key in a database is to? Uniquely identify a record

65. What is used to identify a user who returns to a Website? Cookies

66. Text or Graphics while copying are temporarily stored in? Clipboards

67. Which command is used to paste a text or file? Ctrl + V

68. Printed copy of a document is often called? Hard Copy

69. Full form of SMPS is? Switched Mode Power Supply

70. The device used to carry Digital data on Analog lines is called as? Modulator

71. Full form of MICR is? Magnetic Ink Character Recognition

72. The program which translates and executes program at run time line by line is called? Interpreter

73. Buying and selling goods/services through wireless handheld devices is called? Mobile Commerce

74. DOS stands for? Disk Operating System

75. Hardware that converts your computer’s digital signal to an analog signal that can travel over telephone lines is called a? Modem

76. ……………………….. allows wireless mobile devices to access the Internet and its services? WAP (Wireless Application Protocol)

77. Horizontal orientation of a page is referred as ………… in Page Setup? Landscape

78. Defragmentation of Hard drive is done for? Creating more free spaces

79. Which type of Operation system is Linux? Open Source

80. Which command is used to copy a text or file? Ctrl + C