Information processing apparatus and system

Provided are an information processing device and system for effectively implementing a repeat key. An information processing device according to this embodiment comprises: an image interface that acquires a screen in which a text string is inputted from one of a plurality of external devices; an input interface that inputs an operation signal to the one external device; a display interface that communicates with a display terminal; an operation interface that communicates with an operation terminal; a storage unit that stores repeat information indicating a text string that was inputted in the immediately preceding screen; and a processor that displays the screen on the display terminal via the display interface, receives the input of a key via the operation interface, transmits an operation signal indicating the key to the one external device via the input interface, and if the key is a repeat key, transmits, to the one external device via the input interface, an operation signal inputting the text string that is indicated by the repeat information.