Definition - What does Peripheral Device mean?
A peripheral device is an internal or external device that connects directly to a computer but does not contribute to the computer's primary function, such as computing. It helps end users access and use the functionalities of a computer.
Techopedia explains Peripheral Device
A peripheral device provides input/output (I/O) functions for a computer and serves as an auxiliary computer device without computing-intensive functionality. Peripheral devices connect with a computer through several I/O interfaces, such as communications (COM), Universal Serial Bus (USB) and serial ports.
Peripheral devices include the following:
- External drives
- Graphics cards
A peripheral device may be classified as an internal or external peripheral device.