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LEO (computer)

Index LEO (computer)

The LEO I (Lyons Electronic Office I) was the first computer used for commercial business applications. [1]

54 relations: Cadby Hall, Christopher J. Date, Cleo, Computer, Computer Laboratory, University of Cambridge, Conway Berners-Lee, David Caminer, Delay line memory, Donald Davies, Douglas Hartree, East of England, Edmund Ironside, 2nd Baron Ironside, Electronic data processing, Electronic delay storage automatic calculator, Electronic office, English Electric, Ferranti Orion, Frank Land, George E. Felton, Harry Henry, History of computing hardware, ICL VME, ICT 1900 series, International Computers and Tabulators, International Computers Limited, J. Lyons and Co., John Pinkerton (computer designer), Kensington and Chelsea College, Leo, Leo I, Leo II, Leo III, List of binary codes, List of British innovations and discoveries, List of English inventions and discoveries, List of Old Cliftonians, List of pioneers in computer science, List of programming languages by type, List of transistorized computers, List of vacuum tube computers, Mary Coombs, Mitchell High School, Stoke-on-Trent, National Physical Laboratory (United Kingdom), Outline of computing, Software calculator, Stu Megan, Timeline of computing 1950–79, Timeline of operating systems, Unit record equipment, William Whiteley Limited, ..., Women in computing, 1951, 1951 in science, 1951 in the United Kingdom. Expand index (4 more) »

Cadby Hall

Cadby Hall was a major office and factory complex in Hammersmith, London which was the headquarters of pioneering catering company Joseph Lyons and Co. for almost a century.

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Christopher J. Date

Chris Date (born 1941) is an independent author, lecturer, researcher, and consultant, specializing in relational database theory.

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Cleo

Cleo is a given name that is short for Cleopatra or Cleophus and an alternate spelling of Clio.

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Computer

A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.

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Computer Laboratory, University of Cambridge

The Computer Laboratory is the computer science department of the University of Cambridge.

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Conway Berners-Lee

Conway Berners-Lee (born 10 September 1921) is an English mathematician and computer scientist who worked as a member of the team that developed the Ferranti Mark 1, the world's first commercial stored program electronic computer.

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David Caminer

David Caminer, OBE (26 June 1915 – 19 June 2008) has been called "the world's first corporate electronic systems analyst" and "the world's first software engineer".

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Delay line memory

Delay line memory is a form of computer memory, now obsolete, that was used on some of the earliest digital computers.

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Donald Davies

Donald Watts Davies, CBE, FRS (7 June 1924 – 28 May 2000) was a Welsh computer scientist who was employed at the UK National Physical Laboratory (NPL).

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Douglas Hartree

Douglas Rayner Hartree PhD, FRS (27 March 1897 – 12 February 1958) was an English mathematician and physicist most famous for the development of numerical analysis and its application to the Hartree–Fock equations of atomic physics and the construction of a differential analyser using Meccano.

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East of England

The East of England is one of nine official regions of England at the first level of NUTS for statistical purposes.

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Edmund Ironside, 2nd Baron Ironside

Edmund Oslac Ironside, 2nd Baron Ironside (born 21 September 1924) is a British hereditary peer, who sat in the House of Lords from 1959 to 1999.

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Electronic data processing

Electronic data processing (EDP) can refer to the use of automated methods to process commercial data.

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Electronic delay storage automatic calculator

The electronic delay storage automatic calculator (EDSAC) was an early British computer.

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Electronic office

The electronic office, or e-office, was a term coined to cover the increasing use of computer-based information technology for office work, especially in the 1980s.

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English Electric

The English Electric Company Limited was a British industrial manufacturer formed after the armistice of World War I at the end of 1918.

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Ferranti Orion

The Orion was a mid-range mainframe computer introduced by Ferranti in 1959 and installed for the first time in 1961.

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Frank Land

Frank Land (born 1928) is an information systems researcher and was the first United Kingdom Professor of Information Systems.

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George E. Felton

George E. Felton (born 3 February 1921) is a British computer scientist.

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Harry Henry

Harry Henry (11 March 1916 – 22 November 2008) was born in London on 11 March 1916, as the elder son of an accountant, who died in 1924.

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History of computing hardware

The history of computing hardware covers the developments from early simple devices to aid calculation to modern day computers.

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ICL VME

VME (Virtual Machine Environment) is a mainframe operating system developed by the UK company International Computers Limited (ICL, now part of the Fujitsu group).

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ICT 1900 series

ICT 1900 was the name given to a series of mainframe computers released by International Computers and Tabulators (ICT) and later International Computers Limited (ICL) during the 1960s and '70s.

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International Computers and Tabulators

International Computers and Tabulators or ICT was formed in 1959 by a merger of the British Tabulating Machine Company (BTM) and Powers-Samas.

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International Computers Limited

International Computers Limited (ICL) was a large British computer hardware, computer software and computer services company that operated from 1968 until 2002.

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J. Lyons and Co.

J.

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John Pinkerton (computer designer)

John Maurice McClean Pinkerton (2 August 1919 – 22 December 1997) was a pioneering British computer designer.

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Kensington and Chelsea College

Kensington and Chelsea College (West London Campus) is a provider of education and training in west London, United Kingdom.

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Leo

Leo, the Latin word for "lion", or LEO may refer to.

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Leo I

Leo I may refer to.

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Leo II

Leo II (or Leon II) may refer to.

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Leo III

Leo III, Leon III, or Levon III may refer to:; People.

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List of binary codes

This is a list of some binary codes that are (or have been) used to represent text as a sequence of binary digits "0" and "1".

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List of British innovations and discoveries

The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including predecessor states in the history of the formation of the United Kingdom.

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List of English inventions and discoveries

English inventions and discoveries are objects, processes or techniques invented, innovated or discovered, partially or entirely, in England by a person from England (that is, someone born in England - including to non-English parents - or born abroad with at least one English parent and who had the majority of their education or career in England).

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List of Old Cliftonians

This is a list of notable Old Cliftonians, former pupils of Clifton College in Bristol in the West of England.

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List of pioneers in computer science

This article presents a list of individuals who made transformative breakthroughs in the creation, development and imagining of what computers and electronics could do.

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List of programming languages by type

This is a list of notable programming languages, grouped by type.

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List of transistorized computers

This is a list of transistorized computers, which were digital computers that used discrete transistors as their primary logic elements.

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List of vacuum tube computers

Vacuum tube computers, now termed first generation computers, are programmable digital computers using vacuum tube logic circuitry.

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Mary Coombs

Mary Coombs (born 1929) was the first woman to work on the LEO computers.

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Mitchell High School, Stoke-on-Trent

Mitchell High School was a comprehensive school located in Bucknall, Stoke on Trent, England.

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National Physical Laboratory (United Kingdom)

The National Physical Laboratory (NPL) is the national measurement standards laboratory for the United Kingdom, based at Bushy Park in Teddington, London, England.

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Outline of computing

The following outline is provided as an overview of and topical guide to computing: Computing – activity of using and improving computer hardware and software.

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Software calculator

A software calculator is a calculator that has been implemented as a computer program, rather than as a physical hardware device.

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Stu Megan

Stu Megan (Stewart A. Megan, born 1952 in Bristol, England) is now retired, having been a computer software professional since 1968, a career spanning 46 years.

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Timeline of computing 1950–79

No description.

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Timeline of operating systems

This article presents a timeline of events in the history of computer operating systems from 1951 to the current day.

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Unit record equipment

Starting at the end of the nineteenth century, well before the advent of electronic computers, data processing was performed using electromechanical machines called unit record equipment, electric accounting machines (EAM) or tabulating machines.

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William Whiteley Limited

William Whiteley Limited was a large British retail company founded by William Whiteley in 1863.

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Women in computing

Women in computing have shaped the evolution of the industry, with women among the first programmers during the early 20th century.

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1951

No description.

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1951 in science

The year 1951 in science and technology involved some significant events, listed below.

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1951 in the United Kingdom

Events from the year 1951 in the United Kingdom.

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Redirects here:

EELM, English Electric Computers, English Electric LEO Computers Limited, English Electric Leo Computers, English Electric Leo Marconi, LEO 326, LEO 360, LEO Computers Ltd, LEO I, LEO computer, Leo (computer), Leo Computers, Leo computers, Lyons Electronic Office.

References

[1] https://en.wikipedia.org/wiki/LEO_(computer)

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