History of Computers

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by sfe935wrf
Last updated 6 years ago

Discipline:
Science
Subject:
Computer Science

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History of Computers

Fortran

Computer Mouse/Windows

HISTORY OF COMPUTERS

This the list of the inventions in history of computers that I consider to be the most important.

Time Line

1936

Konrad Zuse - Z1 Computer

In 1944, IBM co-funded the Mark 1 computer together with Harvard University, the Mark 1 was the first machine to compute long calculations automatically.

In 1970, the newly formed Intel company publicly released the 1103, the first DRAM (Dynamic Random Access Memory) chip (1K bit PMOS dynamic RAM ICs), and by 1972 it was the best selling semiconductor memory chip in the world, defeating magnetic core type memory. The first commercially available computer using the 1103 was the HP 9800 series.

In 1964, the first prototype computer mouse was made to use with a graphical user interface (GUI), 'windows'. Engelbart received a patent for the wooden shell with two metal wheels (computer mouse U.S. Patent # 3,541,541) in 1970, describing it in the patent application as an "X-Y position indicator for a display system." "It was nicknamed the mouse because the tail came out the end," Engelbart revealed about his invention. His version of windows was not considered patentable (no software patents were issued at that time), but Douglas Engelbart has over 45 other patents to his name.

1958

1944

Howard Aiken ' Grace HopperHarvard Mark I Computer

1964

1970

Intel 1103 Computer Memory

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In 1936, Konrad Zuse made a mechanical calculator called the Z1, the first binary computer. Zuse used it to explore several groundbreaking technologies in calculator development: floating-point arithmetic, high-capacity memory and modules or relays operating on the yes/no principle. Zuse's ideas, not fully implemented in the Z1, succeeded more with each Z prototype.In 1939, Zuse completed the Z2, the first fully functioning electro-mechanical computer.

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FORTRAN or formula translation was the first high level programming language ( software ) invented by John Backus for IBM in 1954, and released commercially in 1957. Fortran is still used today for programming scientific and mathematical applications.

SOURCES: http://inventors.about.com/library/blcoindex.htmhttp://inventors.about.com/od/computersoftware/a/Fortran.htmhttp://inventors.about.com/library/weekly/aa050298.htmhttp://en.wikipedia.org/wiki/Fortran#mediaviewer/File:FortranCardPROJ039.agr.jpghttp://history-computer.com/ModernComputer/Relays/Zuse.htmlhttp://inventors.about.com/library/weekly/aa081898.htm


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