| 01 | The unit of frequency is | Hertz |
| 02 | The unit of resistance is | Ohm |
| 03 | The device which makes or breaks a circuit is | Switch |
| 04 | The path of an electric current is known as a | Circuit |
| 05 | Device which opposes the flow of electric current is known as | Resistor |
| 06 | Arc Lamp was invented by | C.F.Brush |
| 07 | Television was invented by | J.L.Baird |
| 08 | Transistor was invented by | J.Bardeen,W.Shockley and W.Brattain |
| 09 | The unit of wavelength of light is | Angstrom |
| 10 | A device which converts light into electricity is known as | Photo cell |
| 11 | Hertz was the first to discover | Radio waves |
| 12 | Marconi invented | Radio |
| 13 | In 1901,Marconi beamed a signal from Cornwall in England to | Newfoundland |
| 14 | Thomas Edison was an | American inventor |
| 15 | A glass tube with two electrodes is called a | Diode |
| 16 | Lee de Forest was an | American scientist |
| 17 | Lee de Forest discovered the | Triode |
| 18 | Radio and television transmit signals using | Electromagnetic waves |
| 19 | To turn pictures into electrical signals,television Cameras rely on | Photo-electric effect |
| 20 | Transistor was invented in the year | 1948 |
| 21 | The first electronic components invented were the | Thermionic valves |
| 22 | Microchip was invented in the year | 1958 |
| 23 | Microchip was invented by | Jack Kilby |
| 24 | The microchip invented first was also the first | Integrated circuit |
| 25 | Silicon and germanium are ideal examples of | Semi conductors |
| 26 | LED stands for | Light Emitting Diode |
| 27 | The first computer was invented in the year | 1834 |
| 28 | The first computer was invented by | Charles Babbage |
| 29 | The first computer invented was called | Analytical Engine |
| 30 | In the present day electronic machines,computers function as | Artificial brains |
| 31 | CAD means | Computer Aided Design |
| 32 | CPU stands for | Central Processing Unit |
| 33 | RAM stands for | Random Access Memory |
| 34 | J.J. Thomson was a | British physicist |
| 35 | In 1897,J.J.Thomson discovered | Electrons |
| 36 | A device used for increasing the strength of electric signal is called | Amplifier |
| 37 | The height of a wave is called | Amplitude |
| 38 | An electron carries a charge | Negative |
| 39 | In a transistor,a base is the | Filling in the semiconductor sandwich |
| 40 | The tube behind the screen in TVs and most computers is called | Cathode Ray Tube |
| 41 | The force which makes an electric current is called | Electromotive Force |
| 42 | Device used for measuring small amounts of electric current is called | Galvanometer |
| 43 | Sound too low to be heard by humans is called | Infrasound |
| 44 | VDU stands for | Visual Display Unit |
| 45 | One kilobyte is approximately | 1000 bytes |
| 46 | DOS stands for | Disk Operating System |
| 47 | WORD STAR is a popular | Word processing programme |
| 48 | WORD STAR was developed by | Micro pro Company |
| 49 | PC stands for | Personal Computer |
| 50 | ALU stands for | Arithmetic Logic Unit |
| 51 | The VDU and Keyboard together form a | TERMINAL |
| 52 | The speed of the dot matrix printers is measured by CPS which stands for | characters per second |
| 53 | The speed of the line printers is measured by LPM which stands for | Lines per second |
| 54 | DBMS stands for | Database Management System |
| 55 | IBM is a famous computer company.IBM stands for | International Business Machines Corporation |
| 56 | ROM stands for | Read Only Memory |
| 57 | The actual machine of the computer is commonly known as | Hardware |
| 58 | The programs run on the computer are commonly known as | Software |
| 59 | All the output which is printed on paper is called | Hard Copy |
| 60 | The number of pixels on a computer screen determines a screes’s | Resolution |
| 61 | A processor’s speed is measured in | Megahertz |
| 62 | A software that assists the computer in performing instructions,is called as | system software |
| 63 | CAM stands for | Computer Aided Manufacturing |
| 64 | DPI stands for | Dots per Inch |
| 65 | DTP stands for | Desk Top Publishing |
| 66 | EPROM stands for | erasable and Programmable Read only Memory |
| 67 | A magnetic storage disk made out of a thin piece of plastic is called | Floppy Disk |
| 68 | A pictorial representation of the step by step sequence for solving a problem is known as a | Flow Chart |
| 69 | A measure of storage capacity equal to one thousand megabytes is one | Gigabyte |
| 70 | A variable whose value is accessible throughout the program is called | Global Variable |
| 71 | A huge,worldwide network of computers that communicate with each other,allowing global communications between users is known popularly known as | Internet |
| 72 | KB stands for | Kilobyte |
| 73 | LAN stands for | Local Area Network |
| 74 | A printer which uses light to transfer the image to paper is the | Laser Printer |
| 75 | Memory which retains all its contents even after the power is turned off is known as | Non-Volatile Memory |
| 76 | The result that is generated by the computer after processing the information provided to it is known as | Output |
| 77 | Electronic mail is more popularly known as | |
| 78 | PILOT stands for | Programmed Inquiry Learning Or Teaching |
| 79 | PILOT was developed by | Doug Engelbardt |
| 80 | IQL stands for | Interactive Query Language |
| 81 | LOGO was developed by | Dr.seymour Papert |
| 82 | CAL stands for | Computer Assisted Learning |
| 83 | APT stands for | Automatically Programmed Tooling |
| 84 | `C’language was invented by | Dennis M.Ritchie |
| 85 | Modula-2 was developed by | Niklaus Wirth |
| 86 | Terminals that have their own memory are called | Smart terminals |
| 87 | The memory that needs electric power to sustain its contents is known as | Volatile Memory |
| 88 | MOS stands for | Metallic Oxide Semiconductors |
| 89 | Dvorak key board was designed by | August Dvorak |
| 90 | A simple device which functions as a simpler alternative to the keyboard is the | Mouse |
| 91 | Automatic drawing input device is called | Scanner |
| 92 | In the second generation computers,magnetic cores were used as | Main Memory Devices |
| 93 | LCD stands for | Liquid Crystal Display |
| 94 | RADAR stands for | Radio Detection and Ranging |
| 95 | RADAR works on the principle of | Echo |
| 96 | software-in-Hardware modules are called | Firmware |
| 97 | A device by which any microcomputer can use ordinary television set for producing output is called | RF modulator |
| 98 | EDSAC stands for | Electronic Delayed Storage Automatic Computer |
| 99 | EDVAC stands for | Electronic Discrete Variable Automatic Computer |
| 100 | EDSAC was developed in the year | 1949 |
| 101 | EDVAC was developed in the year | 1952 |
| 102 | ENIAC stands for | Electronic Numerical Integrator and Calculator |
| 103 | The most successful computing device in the ancient time was | Abacus |
| 104 | Use of some mechanism for the operation of a machine is known as | Automation |
| 105 | Radar contact with the moon was first made in | 1945 |
| 106 | Radar contact with Venus was first made in | 1961 |
| 107 | A system in which information is displayed on a television screen is known as | Video Text System |
| 108 | A modern means of communication in which the information is stored in a computer at a TV station is known as | Teletext |
| 109 | Global communication became possible by using | Satellites |
| 110 | Morse code was invented by | Samuel Morse |
| 111 | The code used in a teleprinter is the | Baudot Code |
| 112 | Teleprinter exchange is popularly known as | Telex |
| 113 | A device which converts sound waves into electrical waves is called | Microphone |
| 114 | AVC stands for | Automatic Volume Control |
| 115 | The device used to measure wavelengths of radio waves is | Wavemeter |
| 116 | A hollow metallic tube used in place of wire in electric circuits carrying high frequency currents is called | Waveguide |
| 117 | An instrument used to measure the intensity of radiations is the | Radiometer |
| 118 | An instrument used to measure electrical voltage is the | Voltmeter |
| 119 | VTVM stands for | Vacuum Tube Volt Meter |
| 120 | A circuit which maintains a constant voltage is called | Voltage Stabilizer |
| 121 | SCR stands for | Silicon Controlled Rectifier |
| 122 | A device used to increase or decrease electric voltageis called a | Transformer |
| 123 | A magnetic tape that records both audio and video signals is called a | Video Tape |
| 124 | The first electronic calculator was manufactured in 1963 by | Bell Punch Company,USA |
| 125 | MASER stands for | Microwave Amplification by stimulated Emission of Radiation |
| 126 | A computer which can handle a large volume of numbers is called a | Number cruncher |
| 127 | POST stands for | Power on Self Test |
| 128 | POST is a test carried out just after the computer has been | Switched on |
| 129 | An index of the files stored on a disk is called | Directory |
| 130 | CP/M stands for | Control program for Microcomputers |
| 131 | CP/M was developed by | digital Research Inc.,USA |
| 132 | MVS stands for | Multiple Virtual Storage Operating System |
| 133 | MVS is used in | Mainframe computers |
| 134 | The process of starting a computer is called | Booting |
| 135 | A group of four binary digits is called a | NIBBLE |
| 136 | BPI stands for | Bit per Inch |
| 137 | A smart card is a | multifunctional microprocessor |
| 138 | LIPS stands for | Logical Inferences Per Second |
| 139 | A computerized machine is normally called a | Robot |
| 140 | A robot is a machine directed by a | Computer |
| 141 | A robot which resembles a human being is called an | Android |
| 142 | PL/1 stands for | Programme Language-1 |
| 143 | The language PL/1 has combined features of | COBOL and FORTRAN |
| 144 | BASIC stands for | Begineers All Purpose Symbolic Instruction Code |
| 145 | COBOL stands for | Common Busines Oriented Language |
| 146 | ALGOL stands for | Algorithmic Language |
| 147 | ALGOL was developed in the early 1960s in | Europe |
| 148 | COBOL was first introduced in the year | 1961 |
| 149 | FORTRAN stands for | Formula Translation |
| 150 | FORTRAN was developed and introduced by IBM in the year | 1957 |
| 151 | PL/1 was introduced in the 1960s by | IBM |
| 152 | COMAL stands for | Common Algorithmic Language |
| 153 | BASIC was developed by | John Kemeny and Thomas Kurtz |
| 154 | SNOBOL stands for | String Oriented Symbolic Language |
| 155 | SNOBOL was developed in | 1962 |
| 156 | LISP stands for | List Processing Language |
| 157 | LISP was developed by | John McCarthy |
| 158 | Loud speaker was invented by | Rice Kellogg |
| 159 | PROM stands for | Programmable Read Only Memory |
| 160 | Two types of RAM chips are | Dynamic,static |
| 161 | Data is fed into the computer by first converting it into | Binary codes |
2012-12-23