initially selected information to be displayed on the character display 28 by operating character generating rom 18 and display controller 19 in accordance with the initially selected information commands instructing the ensuing process are input via keyboard 23 then in accordance with the input command information pc 24 causes the second selected information to be displayed on the character display 28 in the same manner the information memory control apparatus of the preferred embodiment sequentially reproduces final product information from the compact disk before eventually outputting at least one of those desired information related to character picture or audio next operation of the information memory control apparatus functioning as an electronic catalogue will be described below generally attributes of catalogue book information are divided into character picture table and index assume that a compact disk stores information having attributes of character picture and audio in con unction with a complete product or a component part in addition to memory addresses of respective product informations the compact disk also stores management information related to the classifications of the product kinds performances and prices for featuring respective products for example assume that the product kinds are classified into a b and c performances are classified into 2 groups and 3 kinds i e a1 a2 a3 and b1 b2 b3 and prices are classified into i ii and iii respectively first in reference to the initially selected picture information shown on the character display 28 the product kind classification a that correctly matches the desired product is input via keyboard 23 next based on the secondly selected.