System One
System One, System I or System 1 may refer to: == Computing == Acorn System 1, 8-bit microcomputer by Acorn Atari System 1, an arcade game hardware platform by Atari Cromemco System One, a microcomputer from the early 1980s by Cromemco IBM Q System One, a 2019 circuit-based commercial quantum computer by IBM Line Drawing System-1, an early graphical computer Sega System 1, the arcade system board System 1, the initial operating system version for the Apple Macintosh Tulip System-1, 16-bit personal computer by Tulip == Other uses == System-1 Aira, a synthesizer produced by Roland System One, a range of bus passes offered by Transport for Greater Manchester System 1, the fast, automatic mode of thinking, as described in Daniel Kahneman's book Thinking, Fast and Slow == See also == System I (disambiguation) SystmOne, a clinical and administrative software system developed by TPP (The Phoenix Partnership) company.