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500 votes

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

94 votes

Why weren't bootable game disks ever common on the IBM PC?

37 votes
Accepted

Why does the original Donkey Kong update the screen in a curtain closing pattern?

35 votes
Accepted

Did arcade monitors have same pixel aspect ratio as TV sets?

34 votes
Accepted

What makes MOVEQ quicker than a normal MOVE in 68000 assembly?

28 votes
Accepted

How did Elite on the NES work?

25 votes

Why did 8-bit Basic use 40-bit floating point?

24 votes

What is the most rudimentary input method a platform has ever been programmed in?

23 votes

What makes accurate emulation of old systems a difficult task?

23 votes
Accepted

Reason for gold lines on old ICs?

23 votes
Accepted

Why does the Galaksija use SRAM instead of DRAM?

23 votes

Why did Commodore 64 cartridge games disappear?

23 votes
Accepted

Why the switch to "Mickey Mouse" (type C14) power cables?

22 votes

What is a subpixel in Super Mario Bros, and how does it relate to wall clipping?

22 votes
Accepted

Details of video memory access arbitration in Space Invaders

21 votes

Why did 1950s-60s computers have such wide words?

21 votes
Accepted

Was drilling 3"5 720 KiB floppies to 'upgrade' them to 1440 KiB at all reliable?

20 votes

What did the 'turbo' button actually do?

18 votes

What causes that "organic fade to black" effect in classic video games?

16 votes

Back in 1984 I wrote some games for Spectrum - Will they still be playable?

16 votes

Why was the 6809 so expensive?

15 votes

How did Z80 multiprocessing work in the Namco Galaga hardware?

15 votes
Accepted

How and why did Intel make the PCI bus "CPU Agnostic"?

15 votes

How did computers generate 'noise' sound files?

13 votes

Why did common floppies never advance past 1.4 MB in size?

12 votes

Why did Windows 95 crash the whole system but newer Windows only crashed programs?

11 votes

How did Satoru Iwata compress Pokemon GS to fit two regions on a single cartridge?

11 votes

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

11 votes
Accepted

Source Code Archival in early Game Developement

10 votes

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