Retrocomputing

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earned this badge 715 times.
What type(s) of compressed files was the MS-DOS EXPAND command able to decompress?
Awarded Jan 29 at 13:40
Which font with slashed zero is being used in this screengrab?
Awarded Jan 26 at 11:21
How do 80x25 characters (each with dimension 9x16 pixels) fit on a VGA display of resolution 640x480?
Awarded Jan 26 at 10:01
In what sense would the Atari 3200 have been a 10-bit machine?
Awarded Jan 24 at 3:40
Who invented garbage collection?
Awarded Jan 20 at 13:30
When was the term ‘directory’ replaced by ‘folder’?
Awarded Jan 17 at 15:50
Was sneakernet a job description?
Awarded Jan 14 at 11:16
Why are some soft switches on the Apple II only triggered with a write?
Awarded Jan 13 at 13:27
Which version of BASIC uses RANDOM for seeding the random number generator (RNG)?
Awarded Jan 12 at 12:36
What are the most historically relevant implementations of Prolog? And what platforms?
Awarded Jan 11 at 8:05
IBM PC memory map - why RAM at the bottom?
Awarded Jan 10 at 2:40
Did anyone ever run out of stack space on the 6502?
Awarded Jan 3 at 11:36
Testing "8-bit readiness" with an emulator or pre-packaged kit
Awarded Jan 1 at 8:10
How did the X-Men game for Sega Genesis have its state survive a console reset?
Awarded Dec 29, 2022 at 18:11
References for the complexity of the COBOL language
Awarded Dec 29, 2022 at 8:33
When was the CHS (cylinder - head - sector) system invented and what was before it?
Awarded Dec 28, 2022 at 23:40
Did Microsoft really reserve secret APIs in Windows?
Awarded Dec 26, 2022 at 13:19
What was the last terminal to include a physical bell?
Awarded Dec 25, 2022 at 23:58
Is my "SNSP-001A (FRG)" SNES a one-chip or two-chip SNES?
Awarded Dec 24, 2022 at 15:42
Were Windows 3.x applications dependent upon 80286 instructions?
Awarded Dec 21, 2022 at 14:41
How could the SNES take advantage of in-cartridge coprocessors that weren't invented when the SNES came out?
Awarded Dec 20, 2022 at 2:02
Why does the FAT file system have separate ‘hidden’ and ‘system’ attributes?
Awarded Dec 20, 2022 at 1:33
What motivated stack being invented originally?
Awarded Dec 12, 2022 at 18:36
Where do command line switches originate from?
Awarded Dec 12, 2022 at 17:56
Why was USB 1.0 incredibly slow even for its time?
Awarded Dec 11, 2022 at 23:49
What was the last x86 processor that didn't have a microcode layer?
Awarded Dec 7, 2022 at 17:42
Did they forget to add the physical layout to the USB keyboard standard?
Awarded Dec 7, 2022 at 7:02
Why did x86 support self-modifying code in the 80s and 90s?
Awarded Dec 5, 2022 at 9:33
Does the 8080 always handle unaligned access correctly?
Awarded Dec 2, 2022 at 17:55
What was the purpose of the ‘overlay number’ field in the MZ executable format?
Awarded Dec 2, 2022 at 7:15
Was any indentation-sensitive language ever used with a teletype or punch cards?
Awarded Dec 1, 2022 at 2:52
Does the kernel of Windows 95/98/ME have a name?
Awarded Nov 30, 2022 at 14:07
Why were nested functions excluded from B and C?
Awarded Nov 29, 2022 at 18:48
Why would any "local" video signal be "interlaced" instead of progressive?
Awarded Nov 28, 2022 at 2:00
What dot matrix printer? - UK, 1987
Awarded Nov 18, 2022 at 13:19
Why was the DOS kernel discarded?
Awarded Nov 18, 2022 at 8:50
Did underclocking the early Z80 chips improve yield?
Awarded Nov 17, 2022 at 8:41
What was the last Mac in the obelisk form factor?
Awarded Nov 16, 2022 at 10:33
Why is the Unix epoch January 1st 1970?
Awarded Nov 13, 2022 at 1:01
Which BASICs used a backslash, \, as a statement separator?
Awarded Nov 11, 2022 at 9:48
Why was video, audio and picture compression the poorest when storage space was the costliest?
Awarded Nov 7, 2022 at 10:57
Why was there a need for separate I/O address space in addition to a memory address space already?
Awarded Oct 31, 2022 at 4:55
Was the IBM S/360 Responsible for Popularizating the 'A'-to-'F' Notation in Hexadecimal Numbers?
Awarded Oct 27, 2022 at 17:57
What was the original unix font?
Awarded Oct 26, 2022 at 4:14
What exactly were those large orange chips on the Hayes Micromodem II interface card?
Awarded Oct 23, 2022 at 22:07
Why does MOS 6502 require an external clock if it has an internal oscillator?
Awarded Oct 21, 2022 at 15:21
Was there a way to play an hourly custom sound on Macs circa 1985-1995?
Awarded Oct 16, 2022 at 14:06
Were there computers that used processing-in-memory or smart RAM?
Awarded Oct 16, 2022 at 7:27
Apple IIe problem (can’t save and load files anymore)
Awarded Oct 15, 2022 at 1:25
Identify PROM from diagram
Awarded Oct 14, 2022 at 7:36
How much PlayStation 1 hardware in the PS2?
Awarded Oct 14, 2022 at 6:40
Why did IBM PC have horizontal cursor instead of vertical or block cursor?
Awarded Oct 5, 2022 at 7:08
Anyone up for decompiling some 8080 code for Kaleidoscope?
Awarded Oct 2, 2022 at 15:27
What are the three or four holes on the back of a 3.5inch floppy disk indicating and used for?
Awarded Sep 28, 2022 at 21:42
74'181 ALU why would anyone (have) use(d) these wild functions?
Awarded Sep 25, 2022 at 10:12
How was the APL character set represented on IBM mainframes?
Awarded Sep 13, 2022 at 21:11
How does MS-DOS 6 cache the DIR results?
Awarded Sep 12, 2022 at 9:22
What was the purpose of those special user accounts in Unix?
Awarded Sep 11, 2022 at 15:10
BASIC Output to RS-232 with Tandy Model 100
Awarded Sep 10, 2022 at 21:47
Can 6502 programs be transliterated to the SPC700?
Awarded Sep 10, 2022 at 18:27
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