Any collection of data including text, graphics, images, audio and video, or any system for processing or interacting with such data. Often also includes concepts from hypertext.
This term was once almost synonymous with CD-ROM in the personal computer world because the large amounts of data involved were best supplied on CD-ROM. DVDs and broadband Internet connections have now largely replaced CDs as the means of delivery.
A "multimedia PC" typically includes software for playing DVD video, 5.1 audio hardware and can display video on a television. It may also include a television receiver and software to record broadcast television to disk and play it back. The Multimedia Personal Computer (MPC) standard was an attempt to improve compatibility between such systems.