The internet search

A semiconductor is a solid whose electrical conductivity can be controlled over a wide range, either permanently or dynamically.
Stanford Ovshinsky
1904 - 1949
http://www.madsci.org/posts/archives/may97/862851265.Eg.r.htmlhttp://www.answers.com/semiconductor
An integrated circuit that contains the entire central processing unit of a computer on a single chip.
Marcian Edward "Ted" Hoff, Jr.
1970s
http://www.ideafinder.com/history/inventors/hoff.htmhttp://www.answers.com/microprocessor
An insulated board on which interconnected circuits and components such as microchips are mounted or etched.
Paul Eisler
1936
http://www.answers.com/circuit%20board

The wireless transmission through space of electromagnetic waves in the approximate frequency range from 10 kilohertz to 300,000 megahertz.
Alexander Stepanovich Popov,Nikola Tesla,Guglielmo Marconi ,Reginald Fessenden ,Lee de Forest ,Edwin H. Armstrong, Roberto Landell de Moura,
1893-1895
http://www.answers.com/radio
A wireless personal area network (WPAN) technology from the Bluetooth Special Interest Group (http://www.bluetooth.com/)
Ericsson, IBM, Intel, Nokia and Toshiba.
1998
http://www.answers.com/bluetooth
The transmission of dynamic or sometimes static images, generally with accompanying sound, via electric or electromagnetic signals.
Willoughby Smith, Paul Nipkow,John Logie Baird , Charles Francis Jenkins
1873-1926
http://www.answers.com/television
A machine such as a Charles Babbage's analytical engine.
Konrad Zuse
1938
http://inventors.about.com/library/weekly/aa050298.htm
Related to or associated with electricity, but not containing it or having its properties or characteristics; often used interchangeably with electric.
John Vincent Atanasoff
1974
http://www.hpcwire.com/hpcwire/hpcwireWWW/03/1031/106295.html
A computer that performs calculations and logical operations with quantities represented as digits, usually in the binary number system.
John Vincent Atanasoff
1974
http://www.hpcwire.com/hpcwire/hpcwireWWW/03/1031/106295.html
A compact disk that functions as read-only memory
James T. Russell
1960s
http://web.mit.edu/invent/iow/russell.html
A high-density compact disk for storing large amounts of data, especially high-resolution audio-visual material.
Fred Thomas
1983
http://web.mit.edu/invent/iow/thomasf.html

Jacky