| 摘要 |
Openings (OPa, OPb) corresponding to respective card slots (18a, 18b) are formed in a side face of a digital camera, and a slot cover (121) having a size covering both of the openings (OPa, OPb) is placed in a manner so as to shift thereon, thereby allowing either of the openings of the card slots to be selectively exposed. A CPU, installed therein, is allowed to access a card-type medium attached to the card slot that is not exposed, and is not allowed to access a card-type medium attached to the card slot that is exposed. A card-type medium can be detachably attached to the card slot that is exposed, and with respect to the card slot that is not exposed, the attaching and removing operations of a card-type medium are restricted.
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