Patent ID: 7083107

Claim:
A memory card capable of executing one of a plurality of applications corresponding to individual services, the memory card comprising: an adapter that designates one of the services; a main card body to which the adapter is removably connected; an interface for an external device; a memory unit operable to store information of the plurality of applications; a detection unit operable to detect whether or not the adapter is connected to the main card body; and a CPU or LSI that, by selecting one application from among the plurality of the applications based on a detection signal from the detection unit, provides the service designated by the adapter to the external device by way of the interface, wherein a service ID that uniquely identifies a service is stored in the adapter and the memory unit, and the CPU or LSI acquires and compares the service IDs from the adapter and the memory unit, and when the service IDs match, provides a service to the external device.