1. An electronic translating apparatus with an extended memory, comprising: a basic memory for storing in a predetermined order a number of codes corresponding to words in a translation dictionary; an extended memory which is physically separate from said basic memory and which stores in a predetermined order codes corresponding to words different from the codes stored in said basic memory; address designating means, coupled to said basic memory and to said extended memory, for designating addresses of said basic memory and said extended memory and for reading out the codes of words at the designated addresses; comparing means coupled to said basic memory and to said extended memory, for comparing the codes of words read out by said address designating means from said basic memory and extended memory, respectively; selecting means coupled to said comparing means, for selecting one of the codes of the words compared by said comparing means according to the order in which the words would be listed in a translation dictionary; converting means, connected to said selecting means, for converting said selected codes of the words into visual patterns; and displaying means coupled to said converting means for displaying said visual patterns.