Scores was a computer virus affecting Macintosh machines.

Many types of computers can use it, including Windows PC's and Macintosh machines.

Apple's brand name remains well known and, because of its past popularity, there are an estimated 20 million people worldwide who use Macintosh machines and software.

The question still remains, however, whether PC users will try Macintosh machines in large numbers.

The same disks work on both Microsoft Windows and Macintosh machines.

During the quarter, Apple shipped 1.07 million Macintosh machines, generating $1.49 billion in revenue.

This, plus other developments in technology, will allow the machine to operate four times as fast as the older Macintosh machines.

The existing Macintosh machines offer users little ability to alter the machine.

Macintosh machines are built to play sound; other computers will need a sound card, or the game will be played in silence.

Software programs written specifically for Windows hardware usually won't run on current Macintosh machines without special software.