Abstract: The invention concerns a computer comprising a central unit, an input device, a communication interface with a remote network and display and/or sound reproduction means. The invention is essentially characterised in that the computer can consist of elements already existing in the user's surroundings (for example, portable telephone, television).

Abstract: The invention concerns a computer comprising a central unit, an input device, a communication interface with a remote network and display and/or sound reproduction means.

Abstract: Electronic device including a housing for receiving chipcards having electrical connection elements which are situated on at least one of their lateral faces, said electronic device including: chipcard holding means arranged to keep these cards each in a predetermined position and orientation with respect to one another, means of electrical connection with each of the electrical connection elements of a card, which means of electrical connection are arranged to cooperate with the electrical connection elements of a card positioned in the housing, and means of controlling the functions of the different cards placed in the housing through the expedient of electrical connections established between the means of electrical connection.