Lexikon's History of Computing

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About This Encyclopedia

Introduction to Computing

Basics, Tubes, Chips & More.

Who was First In Computing?

First Computers, First Technologies, etc.

History of the Comptometer adding machines

A very detailed history of Felt's Comptometer.

Evolution of Counting and Calculating

A brief timeline of counting/calculating methods.

Giant Computers Before 1956

Over 100 Early Big Computers!

Microcomputer Chronology

Over 170 Early Microcomputers

Scroll down to view more topics.

 

 

 

** * * PHOTO GALLERIES * * *

See: Early Machines by Date

See: Photo Index by Subject

See: Photo Index: People

Biographical Information

Microcomputer Photos

 

 

EARLY COMPUTER TECHNOLOGY

Early Williams Tube (CRT Memory)

ABC Computer and Drum Memory

Early ENIAC computer (1944) and vacuum tubes

Electromechanical Relay

UNIVAC Core Memory (1950's)

Early UNIVAC (1951) vacuum tube

Early IBM Vacuum tubes

UNIVAC Punched Cards

IBM Punched Cards

Examples of Disk Storage

Transistors: A Milestone in Computing

Early Microprocessors

Early Magnetic Tape Drives

Early Floppy Disk Types

Five Generations of Computers

Early Large Computers by Square Footage

Analog Computers

Computer Processing Speed

CHRONOLOGIES AND HISTORIES; COMPANY PROFILES

Who was First In Computing?

ARPA and the ARPANET (Early History of the Internet)

Chronology of Languages, Operating Systems, Major Programs

Microcomputer Chronology

Master Chronology of Events

Chronology of Early Television Technology

Chronology of Developments in Vacuum Tube Technology

 

SELECTED COMPANY PROFILES

For companies not listed here, try Glossary

Company information is provided here solely for historical perspective. For information on the current status or activities of a company, see that company's listing on the Internet.

Apple Computer

Ask

Atari

Bell Labs

Bletchley Park (UK)

Bolt, Beranek and Newman ("BBN")

Burroughs Adding Machine Company

Commodore Business Machines

Compaq Computer Corporation

Computing-Tabulating-Recording Company (CTR)

Control Data Corporation (CDC)

Cray Research Company

Data General

Hewlett-Packard

Honeywell Chronology

IBM: Brief Chronology

Jet Propulsion Laboratory (JPL)

Lanier Worldwide, Inc.

Microsoft Corporation

MITS (Altair)

Prehistory of UNISYS

Sillicon Valley

Toshiba America

Wang

Xerox PARC

Zenith Data Systems (Heath-Zenith)

Zilog

 

 

LISTS

Giant Computers Before 1956

Early Large Computers by Square Footage

1956 Summary of Computers Installed and On Order

Early Transistorized Computers

Computers Types by Physical Size

Chronology of Languages, Operating Systems, Major Programs

Individuals: Computer Pioneers, Scientists, Entrepreneurs

MICROCOMPUTER TOPICS

Intel Corporation Microprocessors

Microprocessor Table: Intel

Computer Processing Speed

1960's and Beyond: The Advent of Personal Computing

A Brief History of the Microprocessor

PC Computing Power Growth

Microcomputer Chronology

MSX Microcomputer Technology

CP/M Operating System

TRSDOS

HEATH DOS

MS DOS and PC DOS

Dedicated Word Processing Microcomputers

Floppy Diskette Types

CHRONOLOGIES AND HISTORIES; COMPANY PROFILES

Who was First In Computing?

ARPA and the ARPANET (Early History of the Internet)

Chronology of Languages, Operating Systems, Major Programs

Microcomputer Chronology

IBM: Brief Chronology

Prehistory of UNISYS

Honeywell Chronology

Master Chronology of Events

Chronology of Early Television Technology

Chronology of Developments in Vacuum Tube Technology

REFERENCES

Glossary

Master Chronology Index

Bibliography

Technical Abbreviations & Acronyms

Organizational Abbreviations & Acronyms

Security Abbreviations & Acronyms

Surface Mount Tech.Abbreviations

File Extensions and Symbols Reference

Internet Country Codes

Master Address List - Publishers, Distributors, Museums

Computer History Quiz: Test Your Knowledge

Collecting Vintage Computers

About

Photo Copyright Information

Copyright and Trademark Information

  

 

 

 

External Links

Online Computer History Reference Links

Click on the Above Link for Access to Our Web Site of Computer History Links

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 Copyright © 1982-2001, Lexikon Services "History of Computing" ISBN 0-944601-78-2