Y'see, without that clock, the computer wouldn't boot. You're a bit later in the progression, then; the IBM PC had no clock battery and you had to manually set the clock on boot. There were a number ...

All modern Intel and AMD PCs can trace their roots to a single system: the IBM Personal Computer. Originally released in August 1981, this computer became so popular and long-lived that competitors ...

What made the IBM PC a truly revolutionary device when it debuted in 1981? The technical reference manual that came with it, for one thing. Michael Kanellos is editor at large at CNET News.com, where ...

IBM, whose first PC in 1981 moved personal computing out of the hobby shop and into the corporate and consumer mainstream, has put the business up for sale, people close to the negotiations said ...