Input device and Peripheral device

Input device noun - A device that can be used to insert data into a computer or other computational device.

Peripheral device and input device are semantically related. In some cases you can use "Peripheral device" instead a noun phrase "Input device".

Peripheral device noun - (computer science) electronic equipment connected by cable to the CPU of a computer.

Input device and peripheral device are semantically related. Sometimes you can replace phrase "Input device" with "Peripheral device", this phrases are similar.