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Definition: Unisys


(Unisys Corporation, Blue Bell, PA) An information technology company that was created in 1986 as a merger of the Burroughs and Sperry corporations. At that time, it was the largest merger of computer manufacturers in history. Today, Unisys offers a range of consulting and support services, which make up the bulk of the company's revenue. It continues to provide hardware with its ClearPath line of enterprise servers.

Sperry Began in 1933
Unisys traces its roots back to the earliest days of data processing. Sperry started in 1933 in navigational guidance and control equipment. In 1955, it merged with Remington Rand, creator of the UNIVAC I, and became Sperry Rand. Sperry became known for its mainframes and real-time systems to the military and NASA. In 1971, it absorbed RCA's computer division and supported the Spectra 70 series until it was phased out. From the 1960s to the 1980s, Sperry's UNIVAC line provided state-of-the-art mainframe processing. See UNIVAC I, Spectra 70 and BUNCH.

Burroughs Began in 1886
Burroughs started out as a maker of calculating machines and cash registers in 1886. It was first involved with computers by supplying memory for the ENIAC in 1952. A decade later, it introduced the B5000 computer, hailed for its advanced operating system. It was followed by the B6500, which uses Intel's x86 Xeon processors. Throughout the 1960s and 1970s, Burroughs computers became well established in the banking and finance industries.




Burroughs Adding Machine
This adding machine was built circa 1895 and was an example of the exciting new machinery at the turn of the 20th century. (Image courtesy of Unisys Corporation.)







The UNIVAC I
In 1951, Remington Rand had the jump on the computer industry when it introduced the UNIVAC I. For a while, the words "Univac" and "computer" were synonymous (see UNIVAC I). (Image courtesy of Unisys Corporation.)