69. A talking electronic apparatus as set forth in claim 68, wherein said visual display means is responsive to respective actuations of individual keys representative of letters of the alphabet by the operator in generating said keyboard input as said operator response for displaying visual letter images corresponding to the actuated keys on said display panel.
69. A talking electronic apparatus as set forth in claim 68, wherein said visual display means is responsive to respective actuations of individual keys representative of letters of the alphabet by the operator in generating said keyboard input as said operator response for displaying visual letter images corresponding to the actuated keys on said display panel. 70. A talking electronic apparatus as set forth in claim 69, wherein at least some of the plurality of word-related problems involve respective requests to the operator to spell individual words and the correct answers corresponding thereto comprising the correct spelling of those words as derived from said digital speech data stored in said memory means.