To get the answer, just put a decimal point in the number "50"—my first Microsoft product was MS-DOS 5.0.

[Yeo Kheng Meng] didn’t cheat by simply running MS-DOS on a modern PC, either: he tested the client on a real 1984 vintage IBM 5155 Portable PC. This semi-portable PC/XT model sports a 4.77 MHz ...

DOS 2.0 came out shortly thereafter with the ... that the absolute garbage-tier original IBM PC ended up taking over the world. It was such a shitheap.... but it was an open shitheap, backed ...

and built an SNTP Time Server that runs on a DOS PC. He tried it with two different hardware setups: a 40 MHz 386 PC from 1993, and the (in)famous IBM PCjr from 1984. A standard GPS module serves ...

AT-class machines ran DOS and were extremely sluggish under Windows. See 286. The original PC launched by IBM in 1981 used Intel's 16-bit 8088 CPU. This chip family was designed so that the ...