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Retrocomputing

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earned this badge 311 times.
Commodore Plus/4 60671 bytes free - how?
Awarded Aug 13 at 3:42
When did schools stop caring about form factor?
Awarded Aug 12 at 15:12
When did smart terminals arrive?
Awarded Aug 2 at 21:28
Did the BBC ask for extra line spacing?
Awarded Jul 31 at 10:55
What does “teletext” exactly refer to in BBC Micro specifications?
Awarded Jul 30 at 10:02
Hard disks in 1977
Awarded Jul 13 at 10:07
Did any 8-bit machine select palette by character name instead of color memory?
Awarded Jul 3 at 22:13
Was BCD a limiting factor on 6502 speed?
Awarded Jul 1 at 14:14
What did Richard Stallman have against VMS?
Awarded Jun 30 at 20:15
Why was the SNES color gamut RGB?
Awarded Jun 19 at 11:35
Did the NES CPU save die area by omitting BCD?
Awarded Jun 19 at 5:05
Why was the 1540 a computer in its own right?
Awarded Jun 13 at 14:11
How much extra did a color RF modulator cost?
Awarded Jun 7 at 17:11
Why didn't CPUs multiplex address pins like DRAM?
Awarded Jun 6 at 9:56
Why did 5.25″ floppies invert the meaning of the write-protection notch?
Awarded May 31 at 12:03
NTSC scan lines used by 8-bit computers
Awarded May 20 at 21:17
Did ROM chips jump from 8K to 32K?
Awarded May 17 at 7:20
Spectrum clones 512x192 mode usable text resolution
Awarded May 14 at 12:52
When were the various frequency Z80 CPUs introduced?
Awarded May 3 at 7:40
How big is the screen of the Amstrad CPC 464?
Awarded Apr 30 at 20:18
When did tabs start defaulting to 8 columns?
Awarded Apr 17 at 2:20
What was the first dedicated core router?
Awarded Apr 15 at 11:37
Minimum game cartridge manufacturing time
Awarded Mar 27 at 11:20
PDP-11 JMP and JSR - how was the target specified?
Awarded Mar 23 at 17:31
Did any 8-bit computers use 16kx4 RAM chips?
Awarded Mar 14 at 20:32
How many transistors in the CDC 1604?
Awarded Mar 14 at 10:20
When did the PC bus start slowing access to video RAM?
Awarded Mar 11 at 10:56
How did Apple IIe software handle 64K bank switching?
Awarded Mar 7 at 17:05
Atari SIO vs IEEE 488
Awarded Mar 6 at 0:31
Largest ratio between base and maximum RAM
Awarded Mar 5 at 16:57
What was the performance penalty for denormal inputs on 80s-era FPUs?
Awarded Feb 17 at 8:12
Did VMS ever acquire filesystem cross-links?
Awarded Feb 16 at 16:16
What did corporations use for long-distance networks in the 1980s?
Awarded Feb 14 at 8:26
Did any 8-bit device ever merge a CPU core?
Awarded Feb 8 at 10:01
Which CPUs have implemented trap on signed integer overflow?
Awarded Feb 5 at 10:17
Did 486 SMP systems provide Total Store Ordering?
Awarded Feb 3 at 3:22
Did any x86 CPU optionally trap unaligned access?
Awarded Feb 1 at 16:17
What data compression did Donkey Kong Country use?
Awarded Jan 21 at 10:00
Spectrum DIY upgrade to 48K
Awarded Jan 4 at 9:21
Why doesn't the Acorn Electron use fast page mode?
Awarded Jan 4 at 0:32
What does Spectrum BASIC have that ZX81 lacks?
Awarded Jan 3 at 14:25
Did BBC Micro business software stick to 40 columns?
Awarded Dec 30, 2023 at 11:40
Transistor count of copper and blitter
Awarded Dec 23, 2023 at 9:41
Did any assemblers work like this?
Awarded Nov 26, 2023 at 20:58
Why did CGA RGBI output leave DAC to the monitor?
Awarded Nov 9, 2023 at 0:10
First 80286 Based Computer
Awarded Oct 27, 2023 at 15:01
VIC-II transistor count
Awarded Oct 14, 2023 at 8:04
IBM would-be purchase of CP/M
Awarded Oct 7, 2023 at 4:25
Why did the Apple IIc perform badly in the market?
Awarded Sep 22, 2023 at 19:02
Did the Oric-1 improve on the Spectrum's keyboard?
Awarded Sep 12, 2023 at 12:32
Cartridge modems - was the Vic-20 a special case?
Awarded Sep 1, 2023 at 22:12
Did a serial port card reader sink the prospects of consumer chip card readers?
Awarded Aug 24, 2023 at 12:48
When was Breakout developed by Steve Wozniak?
Awarded Aug 23, 2023 at 22:41
Did the IBM ServiceFree really reach 80 MIPS in 1975?
Awarded Aug 10, 2023 at 13:06
What could SID do that APU could not?
Awarded Aug 8, 2023 at 16:10
How did the Fairchild Channel F provide a 2K frame buffer?
Awarded Aug 7, 2023 at 12:56
Did the IBM 1401 have much better code density than the 360?
Awarded Aug 4, 2023 at 16:27
Were cartridge slots cheaper at the back?
Awarded Jul 23, 2023 at 5:48
In what ways was the Windows NT POSIX implementation unsuited to real use?
Awarded Jul 14, 2023 at 5:20
Why did the Apple III have more heating problems than the Altair?
Awarded Jul 10, 2023 at 12:31
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