n transmits the data corresponding to the management information to the apparatus that has requested data transmission. In the aforementioned data transferring apparatus, the display/input unit may be operated by a single input operation unit or a number of input operation units, each having an ID number. The controller may identify, upon selecting by the input operation unit the information concerning the presence of the data displayed on the display/input unit, the ID number of the operated input operation unit and may register the management information representing the information concerning the presence of the selected data in the management table in correspondence with the identified ID number. In the aforementioned data transferring apparatus, the management table in which the management information representing the information concerning the presence of the data selected by the input operation unit is registered is provided on the network according to the ID number of the input operation unit. 