No.
|
Question
|
Answer
|
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
|
E-Mail
|
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 |
