Nixdorf Computer AG was a computer

Computer

A computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem...

 company founded by Heinz Nixdorf

Heinz Nixdorf

Heinz Nixdorf was a German computing pioneer and businessman.Nixdorf was born in Paderborn.In 1942, Nixdorf was drafted by the German forces and could only finish his education in 1946, after the end of World War II....

 in 1952. Headquartered in Paderborn

Paderborn

Paderborn is a city in North Rhine-Westphalia, Germany, capital of the Paderborn district. The name of the city derives from the river Pader, which originates in more than 200 springs near Paderborn Cathedral, where St. Liborius is buried.-History:...

, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, it became the fourth largest computer company in Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

, and a worldwide specialist in banking and point-of-sale systems. Its main products were the 886x family of BNC, or Branch Network Computers, which ran a proprietary operating system

Operating system

An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...

 (called DIPOS), the 8870 mini computer for business which ran a comprehensive business application software suite (called COMET written in a dialect of BASIC) and the 8812 Electronic Point of Sale (EPOS) terminal; over 200,000 of these systems were sold worldwide in the late 1970s and 1980s. Other products included private branch exchanges. In 1990, Nixdorf was acquired by Siemens

Siemens AG

Siemens AG is a German multinational conglomerate company headquartered in Munich, Germany. It is the largest Europe-based electronics and electrical engineering company....

 and renamed Siemens Nixdorf Informationssysteme

Siemens Nixdorf Informationssysteme

Siemens Nixdorf Informationssysteme, AG was formed in 1990 by the merger of Nixdorf Computer AG and the Siemens' Data Information Services division...

. After the splitoff of Siemens Nixdorf's Personal Computer products to Fujitsu Siemens Computers

Fujitsu Siemens Computers

Fujitsu Siemens Computers B.V. was a Japanese and German IT vendor. The company was founded in 1999 as a 50/50 joint venture between Fujitsu Limited of Japan and Siemens AG of Germany...

, the present day company Wincor Nixdorf

Wincor Nixdorf

Wincor Nixdorf is a German corporation that provides retail and retail banking hardware, software, and services. Wincor Nixdorf is engaged primarily in the sale, manufacture, installation and service of self-service transaction systems , retail banking equipment, lottery terminals, postal...

is its closest incarnation.