He confirmed that the virus had wiped out files in personal computers made by I.B.M. and in compatible machines.

I.B.M. and compatible machines control most of the rest of the market.

Should one go ahead and buy an existing I.B.M. or compatible machine?

Because these computers are general purpose IBM PC compatible machines, they can run many different operating systems.

The company's philosophy was to make all its new machines backwardly compatible.

The Singerlight compatible with 27-series machines is Singer part number B428.

The VCD format has no region coding, so discs can be played on any compatible machine worldwide.

The program, for I.B.M. and compatible machines, lists at $39.95.

It costs $1,695 with two disk drives and is the machine most compatible with older models.

Magellan is designed for International Business Machines' personal computers and compatible machines.