peripheral deviceEquipment that is directly connected a computer. A peripheral device can be used to input data; e.g., keypad, bar code reader, transducer, laboratory test equipment; or to output data; e.g., printer, disk drive, video system, tape drive, valve controller, motor controller. Related category COMPUTERS, ARTIFICIAL INTELLIGENCE, AND CYBERNETICSAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |