Retrocomputing

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Accepted answer and score of 40 or more. This badge can be awarded multiple times.

earned this badge 54 times.
Did underclocking the early Z80 chips improve yield?
Awarded Mar 16 at 13:00
Why did Windows 3.0 fail in Japan?
Awarded Mar 7 at 13:15
Identify these old accounting machines
Awarded Feb 27 at 22:57
Did anyone ever run out of stack space on the 6502?
Awarded Jan 7 at 8:51
Why were floppy disks invented after hard disks?
Awarded Nov 21, 2022 at 5:15
What are the three or four holes on the back of a 3.5inch floppy disk indicating and used for?
Awarded Oct 1, 2022 at 2:55
1913 mystery computer below Grand Central Station
Awarded Jul 12, 2022 at 23:03
Why did Nintendo name its console the "Famicom"?
Awarded Jul 6, 2022 at 8:36
Why does NumLock exist?
Awarded Jul 3, 2022 at 6:33
Why was the return key symbol ↵ drawn differently from the motion of a CR-LF?
Awarded Apr 4, 2022 at 13:42
Where and when did the `0x` convention for hexadecimal literals originate?
Awarded Feb 25, 2022 at 2:11
What are the "virtual machines" that were running on 80386 and later x86 CPUs before full hardware virtualization?
Awarded Jan 7, 2022 at 13:33
How do I connect a command prompt to a serial line in MS-DOS 6.22?
Awarded Dec 31, 2021 at 22:32
What is the massive CD drive used in the movie "Licence to Kill"?
Awarded Dec 8, 2021 at 8:27
How can I store a machine language program to disk on a C64?
Awarded Nov 8, 2021 at 12:55
Did any notable product use Intel's first RAM?
Awarded May 1, 2021 at 20:32
Why does this BASIC program declare variables for the numbers 0 to 4?
Awarded Apr 30, 2021 at 7:22
How did Woz write the Apple 1 BASIC before building the computer?
Awarded Feb 13, 2021 at 10:46
Why was "C:" chosen for the first hard drive partition?
Awarded Dec 7, 2020 at 2:05
Is this a real system? Which one?
Awarded Dec 3, 2020 at 21:34
Did IBM originally plan to use the 68000 in the PC?
Awarded Nov 20, 2020 at 0:20
How did games like Doom offer free trials? What was packaged in their free trial software packages?
Awarded Oct 29, 2020 at 19:01
What did code on punch cards do with the other six bits per column?
Awarded Sep 30, 2020 at 16:32
Why is the keyboard and cellphone / telephone numbers in a different order?
Awarded Jul 20, 2020 at 8:10
Why is the clock frequency of the PS/2 keyboard protocol so high?
Awarded Jul 16, 2020 at 14:32
Why did SCSI require so many pins?
Awarded Jul 11, 2020 at 22:45
Did many programs really store years as two characters (Y2K bug)?
Awarded Jun 21, 2020 at 21:36
Why does the 80486 take longer to execute simple instructions than complex ones?
Awarded May 22, 2020 at 16:51
How was microcode implemented in retro processors?
Awarded May 7, 2020 at 16:11
Why were most PCs and electronics beige back in the day?
Awarded Apr 10, 2020 at 4:00
Why did the MS-DOS API choose software interrupts for its interface?
Awarded Feb 27, 2020 at 0:05
Why did the ZX80 CPU run at only 3.25 MHz?
Awarded Jan 2, 2020 at 11:05
What type of interpreter were most 8-bit BASIC implementations?
Awarded Nov 29, 2019 at 2:45
Z80 CPU address lines not stable
Awarded Nov 16, 2019 at 9:35
When did computers stop checking memory on boot?
Awarded Sep 10, 2019 at 7:20
Why do old games use flashing as means of showing damage?
Awarded Sep 3, 2019 at 20:30
What made Windows Me so crash-prone?
Awarded Jul 15, 2019 at 13:35
Why did CPU designers in the 70s prioritize reducing pin count?
Awarded May 30, 2019 at 7:40
Why are first four x86 General Purpose Registers named in such unintuitive order?
Awarded May 10, 2019 at 20:45
Will PC-DOS run faster on 4 or 8 core modern machines?
Awarded Feb 9, 2019 at 8:05
Why does an instruction include the address of the next instruction on the IBM 650?
Awarded Feb 4, 2019 at 9:10
Why did trackballs disappear?
Awarded Jan 21, 2019 at 5:25
Did IBM encourage Bill Gates to retain the rights over PC-DOS?
Awarded Nov 25, 2018 at 23:50
What limited the use of the 6809 CPU in personal computers?
Awarded Nov 1, 2018 at 17:40
Why did line printers have 132 columns?
Awarded Oct 4, 2018 at 16:25
Did personal computers ever support 8" floppies?
Awarded Sep 23, 2018 at 20:30
Why were chips socketed in early computers?
Awarded Sep 6, 2018 at 18:00
How was C ported to architectures that had no hardware stack?
Awarded Aug 31, 2018 at 13:45
History of Ctrl-S and Ctrl-Q for flow control
Awarded Aug 15, 2018 at 2:50
Why did F1 become the Help Key?
Awarded Jun 21, 2018 at 13:20
What determines the color of every 8th pixel on the Apple II?
Awarded Apr 19, 2018 at 7:22
How did people use ed?
Awarded Jan 5, 2018 at 10:41
How does the 68060 branch predictor work?
Awarded Dec 28, 2017 at 9:49
Did any 8-bit computer system / OS have concepts for concurrency and multitasking like we know from today?
Awarded Aug 25, 2017 at 8:09

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