Small Computer System Interface, a standard for connecting and transferring data between computers and peripheral devices. Pronounced 'scuzzy' in common usage.
Acronym developed in the early 1980s by the American National Standards Institute (ANSI). The pronunciation 'scuzzy' was adopted by computer technicians for ease of communication, despite its unfortunate similarity to 'scuzzy' meaning dirty or disreputable.
SCSI revolutionized computer hardware by allowing multiple devices to be connected in a chain, but its complex configuration led to the joke 'SCSI: System Can't See It' among frustrated technicians. The standard went through many versions (SCSI-1, SCSI-2, Ultra SCSI) before being largely replaced by SATA and USB in consumer devices.
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