Retrocomputing

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Why did the Motorola 68000 processor family fall out of use in personal computers in the 21st century?
Awarded 20 hours ago
Why did the Motorola 68000 processor family fall out of use in personal computers in the 21st century?
Awarded yesterday
What's the most recent version of AmigaOS?
Awarded 2 days ago
Is there a list of space-saving techniques for representing constants?
Awarded Sep 24 at 16:03
Were there any PCs using the i376?
Awarded Sep 22 at 14:33
Was leaving all xxxxxx11 opcodes unused on the 6502 a deliberate design choice?
Awarded Sep 21 at 8:34
How could early computers perform data operations before John von Neumann proposed the concept of ALU?
Awarded Sep 18 at 15:57
What is the arcade game played in the "The Boys Next Door" movie?
Awarded Sep 14 at 21:51
Where can I find the code of the ancestors of the WebKit family of web browsers?
Awarded Sep 12 at 22:22
Did the Z8000 ever hit the home computer market?
Awarded Sep 8 at 22:08
What is the history and development of memory caching?
Awarded Sep 6 at 21:56
Were there 8086 coprocessors other than the 8087?
Awarded Sep 6 at 18:57
What was the most critical supporting software for COBOL on IBM mainframes?
Awarded Sep 5 at 13:12
How did the ZX Spectrum avoid key ghosting?
Awarded Sep 4 at 14:57
Why did 1990s-2000s LCD all use 60 Hz refresh?
Awarded Aug 31 at 8:22
Running DOS, Windows 3, and Windows 98 from one FAT32 partition?
Awarded Aug 23 at 9:06
When did assembly source code begin to be written in lowercase?
Awarded Aug 21 at 13:01
Why is the Amiga ROM at a high memory location, and RAM in low memory?
Awarded Aug 19 at 8:31
Raytheon 704 mini uses?
Awarded Aug 18 at 4:41
Why were single quotes ('…') chosen for characters, and double quotes ("…") for strings?
Awarded Aug 17 at 13:22
When and why was the question mark chosen to abbreviate PRINT?
Awarded Aug 15 at 1:31
"Quit all programs, and then restart your computer" in the Windows 95 "Illegal operation" dialog
Awarded Aug 12 at 8:40
Did the IBM ServiceFree really reach 80 MIPS in 1975?
Awarded Aug 11 at 15:42
Why didn’t the 1980s micros use MC68010?
Awarded Aug 7 at 20:05
Is the substitution "ss" for "ß" on mainframes due to the SS being the largest customer of IBM punched cards outside the USA?
Awarded Aug 1 at 15:48
Is the substitution "ss" for "ß" on mainframes due to the SS being the largest customer of IBM punched cards outside the USA?
Awarded Aug 1 at 12:26
Why does the Commodore 64 have 4K of non-banked RAM at $C000?
Awarded Jul 27 at 12:18
Why are the homing bumps on D and K on Apple keyboards?
Awarded Jul 22 at 7:42
How were the test registers used on the i386 and the i486?
Awarded Jul 21 at 16:26
Is there any hard data about type-in programs in the 80s?
Awarded Jul 21 at 14:25
Did type-in-programs or type-in-listings teach programming in the 70s and 80s or was it just tedious typing of the source code?
Awarded Jul 20 at 20:56
Did any compiler fully use Intel x87 80-bit floating point?
Awarded Jul 16 at 7:55
In what ways was the Windows NT POSIX implementation unsuited to real use?
Awarded Jul 14 at 18:10
PDP-8 transistor count
Awarded Jul 14 at 4:46
Why does the 6502 JSR instruction only increment the return address by 2 bytes?
Awarded Jul 14 at 1:08
How could the Intel 4004 address 640 bytes if it was only 4-bit?
Awarded Jul 6 at 19:01
Beep command with letters for notes (IBM AT + DOS circa 1984)
Awarded Jun 29 at 12:12
Difference between program and application
Awarded Jun 27 at 17:51
Do any FAT8 filesystem images survive?
Awarded Jun 26 at 11:47
ImageWriter II occasionally prints hex dumps
Awarded Jun 24 at 7:56
Samsung SyncMaster 3 cannot show resolutions up from 800x600 despite manual saying otherwise
Awarded Jun 24 at 2:32
Did computer games for Commodore 64 really take "25 minutes" to load "if everything went alright"?
Awarded Jun 23 at 17:26
How did ZX Spectrum games loaders prevent the use of MERGE?
Awarded Jun 23 at 14:43
What key factor led to the sudden commercial success of MS Windows with v3.0?
Awarded Jun 22 at 1:06
Why did the VT100 terminal have to be connected to a host computer if it already had a processor?
Awarded Jun 15 at 7:10
How was the @ sign added to keyboards and character sets?
Awarded Jun 14 at 8:56
Why did they switch from phone numbers to IP addresses?
Awarded Jun 14 at 1:42
When IPv6 was designed were there any specific considerations for other planets?
Awarded Jun 12 at 19:19
Did anybody use PCBs as macro-scale mask-ROMS?
Awarded Jun 9 at 17:48
Why was MacOS unix certified?
Awarded Jun 7 at 23:47
What is DRAM refresh and why is the weird Apple II video memory layout affected by it?
Awarded Jun 6 at 2:06
Why was MacOS unix certified?
Awarded Jun 5 at 13:15
Why is the processor instruction called "move", not "copy"?
Awarded Jun 2 at 12:42
What is the serial protocol commonly used over RS-232 (among other links) and where did it come from?
Awarded Jun 1 at 12:04
How can a 32-bit x86 CPU start with reset vector 0xFFFFFFF0 even though it starts in 16-bit real mode?
Awarded May 31 at 18:36
May the PDP-11's stack grow in either direction?
Awarded May 30 at 12:57
Where/when did the sentence "a good developer is lazy" first appear?
Awarded May 25 at 18:35
What is the simplest UNIX system with a MMU?
Awarded May 24 at 10:25
8-bit home computers without BASIC
Awarded May 23 at 17:10
Where/when did the sentence "a good developer is lazy" first appear?
Awarded May 23 at 10:35
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