noun
Computing term for a system message or signal that requests user input.
パスワードの入力要求が表示された。
A password prompt was displayed.
コマンドラインに入力要求が出ている。
A prompt is showing on the command line.
Katakana loanword also used in computing contexts, often interchangeable with 入力要求, but 入力要求 is a native Japanese compound.
Compound of 入力 (input) and 要求 (request, demand).