Teaching device of the multiple-choice answer type

A teaching device includes a reading station (46) provided with six on-off switches (54) for automatically sensing a text key encoded as a pattern of punched holes (27, 29) in a text book (20). The teaching device automatically generates an answer key from the text key by means of a pseudo-random nu...

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Bibliographische Detailangaben

Hauptverfasser:	SLAVIK, WILLIAM HENRY, CARLSON, WILLIAM PETER, MCGOWAN, MICHAEL JOSEPH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS
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