3. The apparatus of claim 2 which further comprises: a voice recognition mechanism for producing the ideal answer from an instructor voice stream.
3. The apparatus of claim 2 which further comprises: a voice recognition mechanism for producing the ideal answer from an instructor voice stream. 4. The apparatus of claim 3 which further comprises: an input/output (I/O) mechanism configured for audio or visual presentation of a question posed by an instructor and of the answer given by a student.