KNOWLEDGE INFORMATION STORAGE DEVICE

PURPOSE:To store knowledge information on knowledge and ideas of plural persons by information kinds with small-scale constitution and enable other individuals to freely refer to the information by providing a storage means for individuals, a common storage means, and a control means. CONSTITUTION:This device is provided with individual stackers 403O-403R which store card data 404 inputted from an input/output device by users, a common stacker group 401 which stores the data 404 by the kinds, and a knowledge information storage control unit which transfers the data stored in the stackers 4030-403R to the stacker group 401 and stores the data by the kinds of card types, and also transfers the data 404 stored in the group 401 to the stackers 403O-403R. Then the stackers 403O-403R store only card data inputted from corresponding users irrelevantly to the kinds of the data and the group 401 stores the data sorted by the kinds. Consequently, only the individual stackers as many as the users are provided and card data of many persons can be registered and retrieved with the small scale constitution.