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Retrocomputing
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  • Member for 8 years, 2 months
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99
Why did MS-DOS applications built using Turbo Pascal fail to start with a division by zero error on faster systems?
Aug 21, 2019
85
Why did Windows 95 crash the whole system but newer Windows only crashed programs?
Jul 29, 2019
80
Why were CLIs typically light text on dark background, whereas GUIs typically use(d) dark text on light background?
Sep 14, 2018
42
Why did so many early microcomputers use the MOS 6502 and variants?
May 14, 2017
36
How did MS-DOS assign drive letters in the case of more than two floppy disk drives?
May 16, 2017
34
Why did connecting the IBM PC 3.5" FDD backwards cause the problems it did?
Jun 20, 2016
20
How to switch an 80286 from protected to real mode?
Aug 6, 2019
19
How did the IBM PC handle multiple physical devices serving memory at the same physical address?
May 24, 2017
18
Why is the "jmp" instruction not working if I put data before it?
Sep 4, 2017
16
Did the Intel 8086/8088 not guarantee the value of SS:SP immediately after RESET?
May 16, 2017
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Why am I not making any progress toward the Research Assistant badge?
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Is the [history] tag meaningful?
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Should we clean up/orthogonalize the microprocessor/architecture/CPU tags?