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Share Your Experience: Take the 2024 Developer Survey
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supercat
  • Member for 8 years
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114 votes
Accepted

Why did the Apple IIe make a hideous noise if you inserted the disk upside down?

73 votes

Why did C use the arrow (->) operator instead of reusing the dot (.) operator?

54 votes

What character is the MS-DOS cursor?

52 votes
Accepted

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

48 votes

What does the "x" in "x86" represent?

45 votes
Accepted

Did any PC software floating point use non-IEEE format?

40 votes

Typical dpi of dot matrix printers available in the 1980s

39 votes

Why couldn't early C compilers handle variable declarations between statements?

38 votes
Accepted

Why did the Z80 break 8080 compatibility?

38 votes
Accepted

What was the first mainstream advanced debugger?

35 votes

Why did the monsters have "infinite invisible pillars" of hitboxes vertically in all versions of the DOOM engine?

34 votes

Why was desktop CPU frequency so low in the late 1990s?

34 votes
Accepted

In the ISO 1990 C standard library, what was the rationale for having memcpy return one of its inputs?

32 votes

Why do Game Boy games have explicit save functions, instead of using battery-backed non-volatile cartridge SRAM to store the game state?

31 votes
Accepted

What order were files/directories output in dir?

30 votes

Why did some old MS-DOS games lack the ability to exit them?

30 votes

Status of brute forcing all possible memory states of a video game

29 votes

How much did IBM save by limiting the PC to 4.77 MHz?

28 votes

What languages are better fit for generating efficient code for 8-bit CPU's than C?

27 votes

Use of undocumented opcodes

27 votes

Did something like floppy disk jukeboxes for home computers exist in the 70s or 80s? Would that have been a feasible concept?

26 votes
Accepted

Why was it possible to cause an Apple //e to shut down with SHIFT and paddle button 2?

23 votes

Could you see what you are typing in a Teletype?

23 votes

Intel CPU bug in the 90s

22 votes

Can the Z80 Bus Request be used as an NMI?

22 votes
Accepted

Besides the VIC-20 did any other micros have fewer than 32 columns available for text mode?

22 votes
Accepted

How can a Z80 assembly program find out its own memory address?

22 votes

How does Laplink achieve "high speeds" on standard/legacy serial ports?

22 votes

Reason for the Amiga clock speed

22 votes

What innovation helped CD-ROM speeds increase exponentially?

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