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davidbak
  • Member for 6 years, 3 months
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431 votes
8 answers
227k views

Why did moving the mouse cursor cause Windows 95 to run more quickly?

  • 1,930
98 votes
19 answers
20k views

How did people use ed?

  • 1,503
97 votes
6 answers
10k views

Were there 8086 coprocessors other than the 8087?

  • 2,195
89 votes
3 answers
15k views

How did Windows 3.1 implement multitasking?

  • 2,827
75 votes
7 answers
9k views

What technological factors drove the rise of "high-speed" modems in the early 1990s?

  • 57.4k
70 votes
3 answers
9k views

Why did Unix use slash as the directory separator?

  • 1,565
66 votes
10 answers
15k views

How was C ported to architectures that had no hardware stack?

  • 34.8k
61 votes
2 answers
20k views

What is the "two-drive trick" that can read Amiga disks on a PC?

60 votes
3 answers
6k views

How does the LOADALL instruction on the 80286 work?

51 votes
4 answers
6k views

Why did the IBM 650 use bi-quinary?

  • 49.6k
45 votes
3 answers
8k views

Why does nobody attempt to build Charles Babbage's Analytical Engine?

44 votes
10 answers
14k views

Fastest non-emulated CP/M Z80-based computer ever built?

  • 21.9k
42 votes
3 answers
6k views

What happened to the SEV instruction on the 6502?

  • 34.8k
35 votes
6 answers
18k views

Comparing raw performance of the Z80 and the 6502

  • 1,517
34 votes
3 answers
4k views

What are the registers W and Z inside a Z80?

  • 34.8k
30 votes
5 answers
7k views

How was microcode implemented in retro processors?

  • 1,927
30 votes
2 answers
5k views

Zilog Z80 freezes while binary counting up to 65 536 (2^16)

  • 533
28 votes
3 answers
6k views

Why did Intel abandon unified CPU cache?

  • 57.4k
27 votes
2 answers
2k views

Are there runnable Multics systems available?

  • 541
26 votes
4 answers
46k views

How can I connect a DIN plug keyboard to USB?

  • 6,645
25 votes
2 answers
7k views

The start of x86: Intel 8080 vs Intel 8086?

  • 3,228
22 votes
2 answers
2k views

Which is the minimum set of interrupts/functions I should implement in a replacement BIOS for a home made IBM PC class computer?

19 votes
3 answers
3k views

How to switch an 80286 from protected to real mode?

  • 5,036
19 votes
3 answers
2k views

How did the Altair 8800 front panel load the program counter?

  • 21.9k
17 votes
4 answers
668 views

How can I run COMIT code?

  • 1,600
17 votes
5 answers
3k views

What tools were used in late MS-DOS era for reverse engineering and patching binary executables?

16 votes
4 answers
2k views

Did the Intel 8086/8088 not guarantee the value of SS:SP immediately after RESET?

  • 5,036
16 votes
1 answer
863 views

Can we express the instructions to the Analytical Engine in terms of assembler or machine code?

  • 2,535
15 votes
2 answers
1k views

Did the transmeta processor architecture work by binary translation?

  • 2,535
15 votes
4 answers
2k views

How powerful was Knuth’s computer?

  • 370