1.
input device
A piece of equipment used to enter data or commands into a computer or electronic system, such as a keyboard, mouse, or touchscreen.
キーボードは入力装置だ。
A keyboard is an input device.
入力装置を交換した。
I replaced the input device.
マウスやタッチパッドも入力装置の一種です。
A mouse and touchpad are also types of input devices.
入力装置 is a computing term for any hardware that sends data or commands to a computer. It is a formal, technical term used in textbooks and IT contexts.
WORD FORMATION:
入力 (input) + 装置 (device, apparatus)
COMMON EXAMPLES:
- キーボード: keyboard
- マウス: mouse
- タッチパネル: touchscreen
- マイク: microphone
- スキャナー: scanner
- ペンタブレット: pen tablet
CONTRAST:
- 入力装置: input device (sends data to computer)
- 出力装置: output device (presents data from computer)
- 記憶装置: storage device
- 周辺機器: peripheral device (broader category)
Like 出力装置, this is a technical umbrella term. In everyday conversation, people refer to specific devices by name.