Making PC to PC calls is easy and inexpensive, but you'll have to invest in a compatible microphone and speakers or a headset.

All these developments make PC faxing an increasingly attractive option.

The companies say multimedia should make PC's easier to use and more versatile.

When Wang began making PC's, they were priced too high and weren't compatible with the products from the International Business Machines Corporation that were dominating the industry.

"Now, we're starting to make PC's for ordinary drivers."

That is the step to be taken in next week's announcement, although I.B.M. is expected to also continue making PC's based on Intel chips.

Shuttle makes small PC's for small spaces, like those under televisions, or on tiny desks next to fancy big-screen monitors.

At the time, Compaq, a pioneer in making powerful PC's based on I.B.M.'s industry-standard technology was reeling from the competition of lower-cost clone makers.

Microsoft also plans to make the Games for Windows Live interface more PC friendly, and reduce the technical requirements for developers.

"Digital's networks basically make PC's more useful."