(1) (Mobile PC) A handheld or laptop computer. See handheld computer, laptop and Ultra-Mobile PC.

(2) (MultiPath Channel) See multipath.

(3) (Multimedia PC) Earlier hardware requirements from the Software Publishers Association for PCs. In order to use the MPC logo, vendors had to ensure their systems met certain requirements, all laughable by today's standards. For example, in 1991, the minimum memory for Level 1 was 3MB and only 4MB two years later. In 1997, Dell was the first to be Level 3 certified, the requirements for which are outlined below.

MPC Level 3 (1996)

RAM: 8MB

Processor: 75 MHz Pentium

Input: 2-button mouse, 101 key keyboard

Hard disk: 540MB

CD-ROM: 4x, 250 ms, CD-ROM XA multisession

Sound: 16-bit, wavetable MIDI playback

Graphics performance: color space conversion

and scaling, direct access to frame buffer

Video playback: OM1-compliant MPEG1 in

hardware or software.