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Electronics and Computers
27 cards·by veerublog
computerscollegestudentsscienceelectronics
The unit of frequency is
Hertz
The unit of resistance is
Ohm
The device which makes or breaks a circuit is
Switch
The path of an electric current is known as a
Circuit
Device which opposes the flow of electric current is known as
Resistor
Arc Lamp was invented by
C.F.Brush
The unit of wavelength of light is
Angstrom
A device which converts light into electricity is known as
Photo cell
Hertz was the first to discover
Radio waves
A glass tube with two electrodes is called a
Diode
Transistor was invented in the year
1948
Microchip was invented in the year
1958
Microchip was invented by
Jack Kilby
LED stands for
Light Emitting Diode
The first computer was invented in the year
1834
The first computer invented was called
Analytical Engine
The height of a wave is called
Amplitude
An electron carries a charge
Negative
One kilobyte is approximately
1000 bytes
`C'language was invented by
Dennis M.Ritchie
Modula-2 was developed by
Niklaus Wirth
LCD stands for
Liquid Crystal Display
A group of four binary digits is called a
NIBBLE
Radar contact with the moon was first made in
1945
Radar contact with Venus was first made in
1961
COBOL was first introduced in the year
1961
FORTRAN was developed and introduced by IBM in the year
1957