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LEO (computer)

The LEO (Lyons Electronic Office) was a series of early computer systems created by J. Lyons and Co. The first in the series, the LEO I, was the first computer used for commercial business applications.

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Also known as
Lyons Electronic Office I
CPU
@ 500 kHz
Generation
1
Manufacturer
J. Lyons and Co.
Predecessor
EDSAC
Released
1951; 75 years ago (1951)

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Overview

Origins and initial design

Design

Applications and successors

Fate and legacy

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Map overview Semantic statistics

LEO (computer)

Nodes54
Edges53
Triples9
Avg. degree1.96
Density0.037037
Components1

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LEO (computer)

Top relations

Also known as · 1
LEO (computer) → Lyons Electronic Office I
CPU · 1
LEO (computer) → @ 500 kHz
Generation · 1
LEO (computer) → 1
Manufacturer · 1
LEO (computer) → J. Lyons and Co.
Memory · 1
LEO (computer) → 2K (2048) 35-bit words (i.e., 8.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:su…
Predecessor · 1
LEO (computer) → EDSAC
Released · 1
LEO (computer) → 1951; 75 years ago (1951)
Removable storage · 1
LEO (computer) → paper tape readers and punches, fast punched card readers and punches, and a 100 line a minute tabulator
Successor · 1
LEO (computer) → LEO II

Important terminology Word statistics

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Important terminology

leo computer lyons computers first business edsac history co caminer computing iii company icl series electronic office also project land

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
LEO (computer)Also known asLyons Electronic Office I1.00infobox
LEO (computer)CPU@ 500 kHz1.00infobox
LEO (computer)Generation11.00infobox
LEO (computer)ManufacturerJ. Lyons and Co.1.00infobox
LEO (computer)Memory2K (2048) 35-bit words (i.e., 8.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:su…1.00infobox
LEO (computer)PredecessorEDSAC1.00infobox
LEO (computer)Released1951; 75 years ago (1951)1.00infobox
LEO (computer)Removable storagepaper tape readers and punches, fast punched card readers and punches, and a 100 line a minute tabulator1.00infobox
LEO (computer)SuccessorLEO II1.00infobox

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