Gordon’s Personal View of Personal Computing: before the PC

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Gordons Personal View of Personal Computing: before the PC Vintage Computer Society 27 September 1998 Gordon Bell

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Presentation transcript:

Gordon’s Personal View of Personal Computing: before the PC Vintage Computer Society 27 September 1998 Gordon Bell gbell@microsoft.com http://www.research.microsoft.com/~gbell

Apple II

First personal computer

Micral

In the beginning: Manchester “Baby” ran the first program 22 June 1948

English Electric Deuce Console 1955

Whirlwind c1953 … 1st generation, 16-bit word; 4 KB memory; 8 K drum Whirlwind begot TX-O/TX-2 begot DEC PDP-1 Real time, first compiler, ECAD, text editor

Whirlwind console, drum, 1 Kw core

SAGE Control Room c 1962. Whirlwind used for first experiments.

SAGE (Semi-Automatic Ground Environment) Operator Console

TX-0 Console c1959… one of the first transistorized personal computers Speech, handwriting recognition, neuro data analysis, etc. Interactive editors, debuggers, etc.

MIT Speech group with TX-0, c1959.

DEC Computer before PDP-11 1957 1961 1963

DEC PDP-1 c1961

Wes Clark & LINC c1962: Personal computers for bio-medical research

PDP-5 c1964: PDP-8 predecessor Process control, real time experiments. Fortran ran in 4 K, 12 bit words

Gbell with LINC and PDP-8 c1965

PDP-8: first mini First OEM computer. OS/8 (from timesharing) begot RT-11 begot CPM

PDP-8 Modules

PDP-8/E

PDP-8 and Linc Family Tree

PDP-8 12 bit word price (t)

PDP-8 prices (t)

Timesharing: given everyone their own, low cost, personal computer

PDP-6 c1965 : First commercial time shared computer. Gbell & Alan Kotok

PDP-6 Development team c1965

PDP-6/10/ DECsystem 10/20 family tree

There is no reason anyone would want a computer in their home. Ken Olsen President, Chairman and founder of Digital, 1977

Equating yourself to the average “user/buyer” is risky Equating yourself to the average “user/buyer” is risky . . . unless you’re an average user.

Why didn’t Digital lead personal computers? That’s another talk…

Minis and timesharing contributions SpaceWar demonstrated the importance of interactive graphics Editors, calculators, interactive debuggers, interpreters were in use Mail and chat used timesharing Minis established embedded computers