Output devices refer to the hardware components of a computer that display or print data or information. There are a variety of synonyms that can be used interchangeably with 'output devices', including output peripherals, display devices, and output equipment. Other similar terms include output units, communication devices, output hardware, and output machines. These terms all refer to the same set of devices, such as printers, monitors, projectors, and speakers, that allow users to view or hear the data and information processed by a computer system. Regardless of the terminology used, output devices are essential components of modern computing and play a crucial role in how we interact with technology.