User tofro

79 votes

Accepted

What's this computer in the 1988 movie "Vampire's Kiss"?

identify-this-computer

answered Oct 10, 2021 at 9:16

67 votes

Was there a specific benefit to inverted (XOR) mouse cursors other than aesthetics?

answered Mar 30, 2021 at 16:26

63 votes

Why were floppy drives not any faster?

history floppy-disk

answered Jan 16, 2018 at 14:20

56 votes

Why do C to Z80 compilers produce poor code?

z80 c compilers

answered Mar 28, 2018 at 16:51

55 votes

Accepted

Is it safe to turn on a 40-year old TRS-80?

hardware trs-80

answered Jan 17, 2018 at 13:04

41 votes

Accepted

Did computers come with circuit diagrams?

documentation

answered Nov 8, 2020 at 13:50

37 votes

Accepted

What was the typical thickness of fanfold printer paper?

printer

answered Nov 4, 2018 at 18:18

35 votes

Accepted

How did the ZX80 store both a useful program and screen memory?

memory zx81 zx80

answered Oct 15, 2018 at 13:03

34 votes

How did installers locate the Program Files directory on Windows 95?

windows-95

answered Mar 16 at 10:23

34 votes

Does an ISA card have a fixed memory address?

hardware ibm-pc

answered Oct 23, 2017 at 8:43

34 votes

How can I recover the contents from an Amiga HDD using modern Linux?

amiga data-preservation file-system amiga-1200

answered Jan 8, 2018 at 14:33

33 votes

Accepted

Why was segment register value scaled by such a small factor of 16 on i8086?

intel registers

answered Jun 25, 2016 at 21:51

32 votes

Where is DOS stored in memory when a program starts?

ms-dos memory-layout pc-dos

answered Jun 2 at 9:39

31 votes

Accepted

Can the two CPUs in a Commodore 128 run at the same time?

z80 6502 cpu commodore-128 microprocessor

answered Jul 30, 2016 at 12:36

30 votes

Accepted

Why the "jmp" instruction is not working?

ms-dos assembly 8088

answered Jun 7, 2017 at 11:14

30 votes

Magnetic exposure to floppy disk damages file system and requires complete reformat?

floppy-disk file-format

answered Jan 15, 2018 at 12:57

30 votes

Accepted

Did 5.25" floppies undergo a change in magnetic coating?

history hardware floppy-disk

answered Mar 4, 2019 at 20:56

29 votes

What prevents faster versions of old architectures from being created?

hardware-mods

answered Jun 24, 2016 at 12:54

29 votes

How was early randomness generated?

hardware software rng

answered Feb 5, 2017 at 12:08

28 votes

Accepted

Proportional fonts on 8-bit computers

display text font

answered Sep 14, 2018 at 12:31

27 votes

What was the effect of the Video Game Crash of 1983 outside of North America?

history game-consoles

answered Feb 7, 2019 at 20:21

27 votes

Why are old CPUs like MOS Technology 6502 and Motorola 68000 considered better for real time systems applications than modern x86 based CPUs?

6502 m68k

answered Oct 16, 2020 at 19:53

26 votes

Accepted

Uses for the halt instruction?

programming assembly instruction-set microprocessor

answered Jun 16, 2018 at 7:32

25 votes

What was the first computer to support Arabic writing?

history

answered Mar 28, 2017 at 10:10

25 votes

Accepted

How did the original Apple Macintosh and Atari ST use protected mode?

apple-macintosh operating-system motorola-68000 atari-st

answered Apr 27, 2017 at 8:12

25 votes

Accepted

Blue and yellow stripes on the screen when loading from tape on ZX Spectrum

zx-spectrum cassette-tape display

answered Jun 2, 2017 at 20:41

24 votes

Why is the Amiga ROM at a high memory location, and RAM in low memory?

amiga memory-layout motorola-68000

answered Jul 25, 2016 at 22:47

24 votes

When IPv6 was designed were there any specific considerations for other planets?

history internet

answered Oct 22, 2020 at 8:37

22 votes

Accepted

Did CP/M support custom hardware using device drivers?

ms-dos software-development cp-m

answered Mar 14, 2019 at 9:03

22 votes

Did any notable product use Intel's first RAM?

history memory intel

answered Apr 29, 2021 at 6:51

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259 Answers

What's this computer in the 1988 movie "Vampire's Kiss"?

Was there a specific benefit to inverted (XOR) mouse cursors other than aesthetics?

Why were floppy drives not any faster?

Why do C to Z80 compilers produce poor code?

Is it safe to turn on a 40-year old TRS-80?

Did computers come with circuit diagrams?

What was the typical thickness of fanfold printer paper?

How did the ZX80 store both a useful program and screen memory?

How did installers locate the Program Files directory on Windows 95?

Does an ISA card have a fixed memory address?

How can I recover the contents from an Amiga HDD using modern Linux?

Why was segment register value scaled by such a small factor of 16 on i8086?

Where is DOS stored in memory when a program starts?

Can the two CPUs in a Commodore 128 run at the same time?

Why the "jmp" instruction is not working?

Magnetic exposure to floppy disk damages file system and requires complete reformat?

Did 5.25" floppies undergo a change in magnetic coating?

What prevents faster versions of old architectures from being created?

How was early randomness generated?

Proportional fonts on 8-bit computers

What was the effect of the Video Game Crash of 1983 outside of North America?

Why are old CPUs like MOS Technology 6502 and Motorola 68000 considered better for real time systems applications than modern x86 based CPUs?

Uses for the halt instruction?

What was the first computer to support Arabic writing?

How did the original Apple Macintosh and Atari ST use protected mode?

Blue and yellow stripes on the screen when loading from tape on ZX Spectrum

Why is the Amiga ROM at a high memory location, and RAM in low memory?

When IPv6 was designed were there any specific considerations for other planets?

Did CP/M support custom hardware using device drivers?

Did any notable product use Intel's first RAM?