入にゅう出しゅつ力りょく機き器き

• 入にゅう力りょく装そう置ち

  Refers specifically to input-only devices like keyboards or mice, while 入出力機器 handles both input and output.

• 出しゅつ力りょく装そう置ち

  Refers specifically to output-only devices like monitors or printers, while 入出力機器 handles both input and output.

Compound of 入出力 (input-output) and 機器 (device, equipment). The term is a straightforward technical coinage from computing.