input unit的用法和樣例：
例句
- The most popular input device is the terminal.
最通用的輸入設備是終端器。 - The hardware of a computer includes input,processing and output devices.
計算機硬件包括輸入設備，處理設備，輸出設備。 - The most common input device is a keyboard.
最常用的輸入裝置就是鍵盤(pán)。 - This tape contains the program in a form which the input device can read at high speed.
這種形式的紙帶記錄程序輸入裝置能很快閱讀。
