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Retrocomputing : Recent Questions and Answers (Page 6)

Find answers to your questions about Retrocomputing or help others by answering their Retrocomputing questions.

What are the major technical difference between Multics and Unix?

From the naming of operating system only i.e Unix = Uniplexed Information and Computing Service vs Multics = Multiplexed Information and Computing Service, I was first having a misconception that...

Asked on 08/25/2021

6 answer

What was the name of the object-oriented C language I used in the 1980s on the Mac

I clearly recall working with an object-oriented C derivative on the Mac but I cannot find any definitive references to it. It was back in the days of System 7...

Asked on 02/22/2021 by OldCurmudgeon

1 answer

How can I connect this 3-pin Slot 1 CPU fan to my system that uses a 2-pin connector?

I'm trying to put a new CPU cooler in my 1999 IBM Aptiva 2163-580 (which has an Intel 440BX chipset, in case that's relevant). The system uses a Slot 1...

Asked on 02/20/2021 by gparyani

2 answer

Why was the VT05 resolution 72×20?

According to https://en.wikipedia.org/wiki/VT05the VT05 presented the user with an upper-case only ASCII character display of 20 rows by 72 columns.At first glance this seems a reasonably natural...

Asked on 02/05/2021

0 answer

Looking for information on a programming language called WhatDoesItDo

I am looking for information on a training language called "WhatDoesItDo". It was used in 1978 at Austin Community College on a Motorola 6800 CPU. If anyone has any information,...

Asked on 02/03/2021 by user2887859

2 answer

Why did CGA RGBI output leave DAC to the monitor?

CGA on the original IBM PC produced sixteen colors, one bit each for red, green, blue and overall intensity modifier. The preferred output device was the later-arriving 5153 color monitor,...

Asked on 01/29/2021

1 answer

Why did SCSI require so many pins?

SCSI, I think, is a serial interface. A standard serial port on PCs used a 9-pin DSub connector where a parallel port used a 25-pin connector. Then why did SCSI...

Asked on 01/23/2021 by Daniel A. White

2 answer

How was 8-channel audio achieved on Amiga?

Oktalyzer was a Tracker style program for Amiga, that allowed composing and playing music with 8 channels instead of the "hardware-natural" 4. So far I learned it achieved that...

Asked on 01/21/2021 by SF.

2 answer

Why does the Amiga 500 have half the HSYNC pulses seperately compared to those in CSYNC?

After many years I bought myself a new old Amiga 500 (rev 5) and wanted to hook it up to an LCD monitor (Samsung Syncmaster 152N) that has a VGA...

Asked on 01/12/2021 by durandal

3 answer

What does a "DK" signature at the start of track 0 sector 3 of a Dragon 32/64 floppy disk?

I'm looking at disk image files for the Dragon 32 / Dragon 64 computers. The Dragon computers are very similar to the Tandy TRS-80 Color Computer "CoCo" but are not...

Asked on 01/05/2021

0 answer

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