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user3840170
  • Member for 4 years, 8 months
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  • Europe
14 votes
3 answers
3k views

Why does PC video memory base address change depending on video mode?

24 votes
1 answer
4k views

What did SULFNBK.EXE actually do?

6 votes
2 answers
717 views

Fast-paced, windowed multimedia board or puzzle game for Windows 3.x, featuring the “Toasty!” sound effect

13 votes
1 answer
1k views

What are the blinking rates of the caret and of blinking text on PC graphics cards in text mode?

7 votes
2 answers
413 views

How did ‘logically-sectored FAT’ work?

29 votes
5 answers
4k views

Why does the FAT file system have separate ‘hidden’ and ‘system’ attributes?

12 votes
1 answer
1k views

What was the purpose of the ‘overlay number’ field in the MZ executable format?

19 votes
4 answers
4k views

What was the purpose of those special user accounts in Unix?

22 votes
4 answers
5k views

What was the first programming language with generics?

4 votes
1 answer
520 views

A game about defending a castle, with trading-card-like gameplay and aesthetic, in English and Czech

8 votes
7 answers
2k views

Why are symmetric bi-directional communication port cables not always crossover cables?

37 votes
2 answers
8k views

Why does Windows 1.01 crash at the splash screen?

5 votes
1 answer
564 views

Why does the ‘Get Next Selector Increment Value’ DPMI call exist?

20 votes
1 answer
2k views

Why is MS-DOS not able to read partitions starting at logical sector 0?

18 votes
3 answers
792 views

When and where was the ‘dotted sequence of integers’ version numbering scheme invented?

16 votes
2 answers
1k views

How much of the Program Segment Prefix area can be reused by programs with impunity?

14 votes
1 answer
532 views

Is there a way to cut idle CPU usage under Multitasking MS-DOS 4.0?

37 votes
3 answers
3k views

How can I play QBasic Nibbles on a modern machine?

14 votes
1 answer
749 views

Where did the # (hash, number sign) notation for hexadecimal RGB colour triples originate?

14 votes
2 answers
1k views

Why do sprites lag behind a scrolling map in first-generation Pokémon games?

10 votes
2 answers
887 views

When does an IBM-compatible PC keyboard controller dequeue scancodes?

13 votes
6 answers
1k views

What software used Turbo Vision back in its prime time?

31 votes
3 answers
5k views

Why is the ‘auto’ storage class specifier included in C?

25 votes
3 answers
7k views

Why does DOS ask for the current date and time upon booting?

11 votes
3 answers
3k views

What did the SELECT command do in DOS?

9 votes
2 answers
4k views

Is there a generic VBE driver available for Windows 3.x?

8 votes
2 answers
1k views

Why are there three different settings in the [Paths] section of MSDOS.SYS?

13 votes
1 answer
901 views

Why do PC DOS kernel files have the COM extension, even though they are not executable as COM files?

18 votes
2 answers
3k views

How does Windows 9x determine which disk drivers correspond to which BIOS disks/DOS drive letters?