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wizzwizz4
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  • (e^π - π) metres west of previously observed location
103 votes
18 answers
25k views

How was early randomness generated?

84 votes
18 answers
19k views

Why was BASIC built into so many operating systems?

83 votes
3 answers
21k views

Why does the Minus World exist?

49 votes
2 answers
15k views

How did the Z80 instruction set differ from the 8080?

48 votes
5 answers
7k views

What protocol do Teletypes use?

43 votes
1 answer
8k views

Why does the kill-screen glitch occur in Pac-man?

41 votes
2 answers
7k views

How did Windows ME "cripple" DOS?

39 votes
2 answers
12k views

Can a USR command damage a ZX Spectrum?

35 votes
6 answers
4k views

How did Elite (BBC Micro) compress resources?

30 votes
3 answers
4k views

What was the first operating system to feature a separate kernel?

30 votes
2 answers
3k views

What "spectacular to watch" algorithms were used for sorting tapes?

27 votes
1 answer
3k views

What is a dropfile?

26 votes
6 answers
8k views

Why did Pokémon Red have so many overflow bugs?

26 votes
8 answers
3k views

How did debugging software run without memory protection?

25 votes
2 answers
9k views

Why are the | and ¦ keys labelled the wrong way around?

24 votes
2 answers
8k views

How and why did the ZX Spectrum use so many voltages?

24 votes
6 answers
5k views

What techniques were used to reduce the required re-rendering in 3D programs?

23 votes
3 answers
4k views

Main board of the original Game & Watch (Ball)

21 votes
1 answer
2k views

Where did the lookup table in Entombed come from?

20 votes
4 answers
6k views

Does any computer resemble the model taught in UK secondary education?

20 votes
1 answer
3k views

Why does Ms. Pac-man turn upside down?

19 votes
4 answers
3k views

What graphical effects can be created by changing the VIC-II settings?

19 votes
4 answers
4k views

Why was Logo created?

18 votes
1 answer
3k views

Why can you not move on the last level on Dig Dug?

18 votes
2 answers
3k views

What is the instruction set of the PDP-7?

17 votes
2 answers
2k views

What is the difference between DriveSpace and DoubleSpace?

16 votes
1 answer
926 views

How did the Sideways address space work?

15 votes
1 answer
1k views

Why did POKEing ROM addresses mask port writes?

15 votes
2 answers
3k views

Where did Fast InvSqrt() come from?

14 votes
1 answer
531 views

What is the "Data Language" paper referenced in RFC 309?