Retrocomputing
John Dallman's user avatar
John Dallman's user avatar
John Dallman's user avatar
John Dallman
  • Member for 7 years, 1 month
  • Last seen this week
  • United Kingdom
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About

Programmer for a large ISV, SF fan and gamer.

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77
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Top posts
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All Questions Answers
Score Newest
answer
101
How was it back then in 1984, when the Apple II had color, and the new Macintosh didn't?
Jan 6, 2019
answer
89
Back in the late 1980s, how was commercial software for 8-bit home computers developed?
Jan 30, 2019
answer
64
Who invented file extensions in file names?
Nov 1
answer
45
Managing registers/memory effectively on the Z80
Feb 17
answer
40
Why did the ZX Spectrum use an internal speaker?
Feb 16, 2019
answer
39
Why did the Motorola 68000 processor family fall out of use in personal computers in the 21st century?
Sep 25
answer
38
When and what was the first 3D acceleration device ever released?
May 25, 2019
answer
34
How could early computers perform data operations before John von Neumann proposed the concept of ALU?
Sep 17
answer
30
Did the IBM ServiceFree really reach 80 MIPS in 1975?
Aug 9
answer
28
Did mechanical hard drives often malfunction in high elevation places such as Bogota?
Mar 14
Top network posts
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177
Why didn't the US and USSR jam each other's early-warning radar?
112
Why did the Germans use the Enigma machine rather than the far superior "Lorenz" cipher machine?
102
How to tell a clone apart?
94
How did the USSR manage to innovate in an environment characterized by government censorship and high bureaucracy?
82
Was WW1 generally foreseen?

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