Electronics and Computers Questions

1	The unit of frequency is	Hertz
2	The unit of resistance is	Ohm
3	The device which makes or breaks a circuit is	Switch
4	The path of an electric current is known as a	Circuit
5	Device which opposes the flow of electric current is known as	Resistor
6	Arc Lamp was invented by	C.F.Brush
7	Television was invented by	J.L.Baird
8	Transistor was invented by	J.Bardeen,W.Shockley and W.Brattain
9	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