METHOD OF CONTROLLING DATA INPUT/OUTPUT.

摘要

A data input/output control method comprises the steps of storing in a memory (13) the relationships between connectors (CNi) and external devices (PPR, etc.) connected to these connectors, and the relationships between the external devices (PPR, etc.) and function keys used to operate them; selecting one of the function keys to select a desired external device connected to the connector corresponding to the selected function key, on the basis of the contents of the memory; and transferring data between a device provided with processor and the selected external device.