History Of Computer

Rica Mae Martiez Hazel Bodia Agrade July 1 2012

First GenerationVacuum Tube Date Invented:(1951-1959) Inventor:Edison Decrption:vacuum tube is an electric

tube.

First GenerationUNIVAC Date Invented:(1951) Inventor: J. Presper Eckert Descption: Univac ( Univesal Automatic

Computer) developed by Mauchly And Eckert.

Second GenerationTransistor Date Invented:(1959-1964) Inventor:Walter Houser Brattain John

Bardeen and William Bradford Shockley Descrption:second generation of

computers used transistorized circuits.

Third GenerationIntegrated Circuit Date Invented:(1964-1970) Inventor:Jack Kilby&Robert Noyce Descrption:IC ( Intergrated Circuit).

Fourth GenerationMicroprocessor Date Invented:(1971) Inventor:Ted Hoff Descrption:Microprocessor are

distinguished on the basis of power and speed.

Microcomputers

Descrption: Microcomuter is a general purpose device yet very much cheaper than those of the previous generation

IBM PC

Date Invented:(1981) Descrption:IBM PC compatibles.

Altair 8800

Date Invented:(1975) Descrption:The first personel

computer was developed and solo by MITS owned by Ed Roberts.

Apple II

Date Invented:(1977) Inventor:Steven Paul Jobs Descrption:Apple II computer that Jobs

and Wozniak developed became the popular brand of microcomputer

Supercomputers

Descrption:Supercomputers are very expensive are employed for specialized scientific and engineering.

IBM Blue Gene\L

Descrption: It is revolutionary Low Cost Machine Facility.

Cray 1 Descrption:Cray 1 was the

supercomputer designed by Seymour Cray of Cray Research in Eagan Michigan.

Fifth Generation Challenge of Japan

Descrption:Reasearches had been made on the general area of AI (Artificial Intelligence).