This is the 25th anniversary of the IBM 5150. It was hardly the first personal computer -- insolent little startups such as Apple and Commodore had come first -- but IBM's entry into the P.C ...

The landmark personal computer, introduced by IBM 30 years ago Friday, launched the PC revolution, changing the way people work, communicate, and play.

In my column last week, on the 40th anniversary of the IBM PC, I shared how a single application birthed the original IBM Personal Computer on August 21, 1981.

William C. Lowe had a bold idea: IBM should develop a personal computer that could be mass marketed, expanding the company's reach beyond businesses and into people's homes.

Its hard to argue that had it not been for VisiCalc, IBM might not have entered the market at the time they did in 1981. They contributed greatly to the birth of the market for personal computers ...

The IBM PC-AT was introduced in 1984. The "AT" stood for "advanced technology." The machine was the first upgrade from IBMs original PC architecture introduced in 1981 (the XT expanded storage options ...

That was in 1980. One year later, the IBM 5150 personal computer was selling out at stores such as Sears and ComputerLand for $1,565, not including a monitor.