noun
input class
Computing term for a category or class of input, such as in programming or data processing contexts.
このプログラムでは、入力類を定義してデータを分類する。
In this program, we define input classes to categorize the data.
出力類 is the corresponding term for 'output class', used in similar computing contexts.
Compound of 入力 (input) and 類 (class, category). A straightforward technical term.