Retrocomputing
John Doty's user avatar
John Doty's user avatar
John Doty's user avatar
John Doty
  • Member for 3 years, 7 months
  • Last seen this week
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Top posts
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All Questions Answers
Score Newest
answer
23
Was there any computer since about 1960 without interrupt support?
Nov 27
answer
19
How did Multics make library calls available as shell commands?
Jan 1
answer
18
What are the major technical difference between Multics and Unix?
Jul 21, 2020
answer
9
Why did Visual Basic use parentheses for both function call and array access?
Apr 30, 2021
answer
8
Undocumented instructions in x86 CPU prior to 80386?
Jun 5, 2021
answer
8
Why did Linux standardise on RTS/CTS flow control for serial ports
Nov 7
answer
7
How did early laser printers get by with so little memory?
Apr 13, 2021
answer
7
Did many programs really store years as two characters (Y2K bug)?
Jun 20, 2020
answer
6
Were any IBM mainframes ever run multiuser?
Nov 26, 2020
answer
6
Advantage of RS-232 over 20mA current loop
Feb 5, 2021
Top network posts
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60
Why do exploration spacecraft like Voyager 1 and 2 go through the asteroid belt, and not over or below it?
46
Are human eyes interferometers?
45
Why did NASA need to observationally confirm whether DART successfully redirected Dimorphos?
37
Why do Canopus Star Trackers track Canopus? Why not so Sirius?
30
Time is the only dimension that has an arrow, and the only dimension which contributes an opposite sign to the metric. Is that just a coincidence?

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