Abacus first appeared between 2700 and 2300 BC. Quipu Ropes - talking knots' Date back to the Incan Empire(13th century) Consisted of strands of rope ... – PowerPoint PPT presentation
Any programmable electronic device that can store, retrieve, and process data.
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Early Computing Devices
Abacus first appeared between 2700 and 2300 BC.
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Quipu Ropes - talking knots
Date back to the Incan Empire(13th century)
Consisted of strands of rope
with knots representing
values in base 10.
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First mechanical calculators produced for sale in the 17th century.
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Mechanical loom developed in the early 1800s that read patterns stored on hardwood plates, and then transferred the patterns to woven cloth.
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In 1820, a prototype of the Difference Engine was developed.
Powered by hand, this device retrieved information, processed the information in logical steps, and then displayed the results of the process.
The actual machine was never developed.
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Machine developed that aided in the compilation of the 1890 census. Tabulating Machine read data from punched paper cards, processed the data, and displayed results.
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Differential analyzer build in 1825 to solve calculus problems. Accuracy was a problem.
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Built in 1936 on the Iowa State Campus, the AB Computer calculated linear equations used in Physics.
Machine was never manufactured for commercial purposes.
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George Stieblitz creates the complex number machine in 1937.
The real breakthrough is that Stieblitz was able to communicate with the machine, housed in New York via teletype from Massachusetts.
Its the first application of a network
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The Colossus Mark I was built in England to crack the Enigma code.
This was considered the turning point of World War II.
The existence of the Colossus was kept a state secret until 1970.
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ENIAC (Electronic Numerical Integrator and Computer) developed beginning in 1943 at the University of Pennsylvania. Used to compute ballistic tables.
It weighed in at 30 tons!
A TI-83 calculator has more computing power
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In 1944 the Harvard Mark I was developed for the US Navy to compute complex tables.
Machine used paper tape to store instructions.
In 1945 while the Harvard Mark I was being repaired, the term computer bug was coined.
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In 1946, the inventors of the ENIAC complete a more powerful computer called EDVAC (Electronic Discrete Variable Automatic Computer).
It stored information in binary format.
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In 1947, Bell Labs completes work on the transistor. Transistors would replace vacuum tubes in the next generation of computers.
Transistor is tiny electronic device to control the flow of electricity. It has two key abilities the first to amplify an electric signal, and the other is to switch on or off (1 or 0), letting current trough or blocking it as necessary.
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Remington-Rand delivers the Universal Automatic Computer (UNIVAC) to the US government in 1951for the Census.
One of the 46 UNIVACs produced was used to predict the 1952 Presidential election.
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IBM produces the first successful commercial computer in 1952.
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In 1958, the CDC 1604 was the first transistor powered computer.
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In 1961, Fairchild Semiconductor introduces the integrated circuit.
Within 5 years, computers will utilize ICs instead of transistors
Computers go from building size to room size.
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In 1965, engineers form MIT utilize a DEC PDP-8 to develop an enhanced network to manage telephone lines.
36 1969 It was a very good year
Yours truly graduated from high school.
Bell Labs develops UNIX.
ARPANet is launched.
A personal computer is proposed.
A group of engineers leaves Fairchild Semiconductor to form Intel.
TI introduces the first pocket calculator. It weighed 2.3 pounds!
37 1971
First e-mail sent by Ray Tomlinson of BBN. The symbol _at_ introduced as part of the address.
38 1973 A very weird year
Country embroiled in Watergate
First local area networks go from research into commercial development.
The mouse is introduced.
Pong designed. Birth of the video game.
Dr. Martin Cooper working at Motorola develops the following
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First personal computer is sold as a kit.
The Altair computer debuts with 256 megabytes of memory. A group including a college dropout named Bill Gates writes a BASIC compiler for the machine.
Apple markets its first PC in kit form. It includes a monitor and a keyboard.
Queen Elizabeth II sends the first royal e-mail.
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Bob Metcalfe leaves Xerox to form 3COM.
Metcalfe was instrumental in the development of Ethernet.
Ethernet is the basis for todays networks.
The first Multi-User-Domain is created. A MUD allows users on a network to share gaming experiences.
43 1982
IBM introduces its first PC
The movie Tron is released. It used computer-generated special effects.
Time Magazine names the PC as its Man of the Year.
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Microsoft announces the release of Word and Windows.
46 1984
First Apple Macintosh was released.
First PC to utilize a graphical user interface
Commercial Shown During the 1984 Super Bowl
47 1988
First worm infected the ARPANET.
Robert Morris, the creator of the worm was sentenced to three years probation, fined 10,500 and as made to do 400 hours of community service
48 1990
The World Wide Web is born.
Development of hypertext markup language, universal resource locators, and hypertext transfer protocol.