I hope that's a joke. In case it isn't: IBM PC predates all of those except UNIX...

dsr_ on Oct 19, 2013 | parent | context | favorite | on: What are the Windows A: and B: drives used for?

I hope that's a joke. In case it isn't: IBM PC predates all of those except UNIX (and you wouldn't think much of the pre-1980 UNIXen); CP/M, which originated the standard, comes from 1973.

trimbo on Oct 19, 2013 [–]

Sure, but the Mac came out in 1984. And don't forget the Apple II and C64.