2. Computers with everything 2. Computers with everything History - - PDF document

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2.

• 2. Computers with everything

Computers with everything

History History

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Angkor Angkor Wat Wat temple, temple, Cambodia Cambodia

• How far?

How far?

– – Mobile signal Mobile signal – – Internet caf Internet café é

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Brief History of the Computer Brief History of the Computer

• 1940s

1940s First real computers First real computers

• Bletchley Park

Bletchley Park ‘ ‘Colossus Colossus’ ’, 1943 ( , 1943 (Cf Cf: : “ “Enigma Enigma” ”) )

• Manchester

Manchester ‘ ‘baby baby’ ’ 1948 1948

• Hand

Hand-

• built

built

• Military use (decoding German Enigma

Military use (decoding German Enigma codes), research codes), research

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Colossus, Bletchley Park, ca. Colossus, Bletchley Park, ca. 1940 1940

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Colossus rebuild project, 1996 Colossus rebuild project, 1996

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Punched paper tape and punched cards

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Manchester MU Manchester MU-

• 1, 1949

1, 1949

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1960s 1960s

• Age of the Mainframes

Age of the Mainframes

– – Physically huge central corporate machines Physically huge central corporate machines – – 1 1st

st was LEO

was LEO – – Joe Lyons tea houses Joe Lyons tea houses

• (

(D)ARPANet D)ARPANet

– – Defense Defense Advance Research Projects Advance Research Projects Association Association NETwork NETwork – – Embryonic Internet Embryonic Internet

• Business and Scientific use

Business and Scientific use

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Manchester MU Manchester MU-

• 5, 1974

5, 1974

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Data Input, 1974 Data Input, 1974

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1970s and beyond 1970s and beyond

• 1970s

1970s First minicomputers, decentralisation First minicomputers, decentralisation

• 1971

1971 Ray Tomlinson of BBN sends 1 Ray Tomlinson of BBN sends 1st

st email

email

• 1981

1981 IBM PC (256 IBM PC (256K Kb), 4 MHz, no hard disk b), 4 MHz, no hard disk

• 1984

1984 Apple Mac (mouse, windows, menus) Apple Mac (mouse, windows, menus)

• 1990s

1990s WWW; Take WWW; Take-

• off of Internet
• ff of Internet
• 2000+

2000+ Wireless computing, GRID Wireless computing, GRID

• All times:

All times: Rapid exponential increase in speed Rapid exponential increase in speed and capacity (Moore and capacity (Moore’ ’s Law) plus decrease in cost s Law) plus decrease in cost

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Simultaneous advances Simultaneous advances

Sphere of influence Sphere of influence

• Military

Military

• Scientific, Academic

Scientific, Academic

• Corporate business

Corporate business

• General office

General office

• Home

Home

• Pervasive

Pervasive

User interface User interface

• Front panel switches

Front panel switches

• Punched tape or cards

Punched tape or cards

• Teletype (roll paper)

Teletype (roll paper)

• VDU (TV

VDU (TV-

• like display)

like display)

• Windows, Mice, Menus

Windows, Mice, Menus

• Natural language

Natural language

• Voice, eye, gesture

Voice, eye, gesture

• Intelligent agents

Intelligent agents

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(IBM clip) (IBM clip)

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Trends Trends

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