<multimedia> The original Multimedia Personal Computer specification. Minimum requirements are a 16 MHz 386SX with 2 megabytes of RAM, a 30 MB hard disk drive, and a CD-ROM drive with a sustained data transfer rate of 150 KB/s at no more than 40% of CPU bandwidth and reading at least 16 KB blocks. The maximum average seek time is 1 second and the {Mean Time Between Failure} 10000 hours. Capability Mode 1. The computer must have 8-bit digital sound and an 8-note synthesizer with MIDI playback. Sample rates of 22.05 and 11.025 kHz must be supported by no more than 10% of CPU bandwidth, preferably 44.1 kHz at no more than 15% of CPU bandwidth. The synthesizer must support multi-voice, multi-timbral generation of six simultaneous melody notes and two simultaneous percussive notes with internal mixing capabilities to combine input from three sources and present the output as a stereo, line-level audio signal at the back panel. The video display must have a resolution of at least 640 x 480 in 16 colours. MIDI, I/O, and joystick ports must be previded. Compare MPC Level 2 Specification. (1997-01-19)

World 1-1 is the first level of Super Mario Bros., Nintendo's 1985 platform game for the Nintendo Entertainment System.

A spirit level, bubble level, or simply a level, is an instrument designed to indicate whether a surface is horizontal (level) or vertical (plumb). Different types of spirit levels may be used by carpenters, stonemasons, bricklayers, other building trades workers, surveyors, millwrights and other metalworkers, and in some photographic or videographic work.