IT Historical Resource Sites

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Listing of sites in our IT Historical Resource Database sorted alphabetically by Institution

Topeka Computing Museum, The

Topeka Computing Museum located at 7th & Jackson, downtown Topeka KS in the Jayhawk Hotel, Theatre area.
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TOPS-10

The TOPS-10 System (Timesharing / Total OPerating System) was a computer operating system from Digital Equipment Corporation (DEC) for the PDP-10 (or DECsystem-10) mainframe computer launched in 1967. TOPS-10 evolved from the earlier "Monitor"...
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TOPS-20

The TOPS-20 operating system by Digital Equipment Corporation (DEC) was the second proprietary OS for the PDP-10 mainframe computer. TOPS-20 began in 1969 as the TENEX operating system of Bolt, Beranek and Newman (BBN). TOPS-20 is almost entirely...
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Tor (Anonymity Network)

Tor (short for The Onion Router) is a system intended to enable online anonymity. Tor client software routes Internet traffic through a worldwide volunteer network of servers in order to conceal a user's location or usage from someone conducting...
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Torch Computers

Torch Computers Ltd was a computer hardware company formed in 1982 in Great Shelford, near Cambridge, UK and became well known for its computer peripherals for the BBC Micro. Torch produced several second processor units for the BBC Micro with...
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Torpedo Data Computer

The Torpedo Data Computer (TDC) was an early electromechanical analog computer used for torpedo fire-control on American submarines during World War II (see Figure 1). Britain, Germany, and Japan also developed automated torpedo fire control...
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Total share: 30 years of personal computer market share figures

Electronic digital computers moved out of science fiction and into reality during World War II. Less powerful than a modern pocket calculator, the first real job for these massive machines was to speed up the calculation of artillery firing tables....
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TRAC (Programming Language)

TRAC (for Text Reckoning And Compiling) is a programming language developed in the early 1960s by Calvin Mooers. It was one of three "first languages" recommended by Ted Nelson in Computer Lib. TRAC is a purely text-based language—a kind of macro...
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Transistorize

The Transistor was probably the most important invention of the 20th Century, and the story behind the invention is one of clashing egos and top secret research.
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Treelang

Treelang is a "toy" programming language distributed with the GNU Compiler Collection (GCC) to demonstrate the features of its code-generation backend. It was developed by Tim Josling, based on a language called Toy created by Richard Kenner. During...
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