Teaching machine preferably for studying foreign languages

Claim 1

A teaching machine for teaching students, preferably foreign languages, comprising: task unit means for presetting in the machine a program of sequenced algorithmic exercises, said task unit means having a memory means for storing coded answers to said exercises, and a program panel means for holding a program carrier having said program recorded thereon; answer unit means having an input and an output, said input being connected to said memory means said answer unit means having a set of operable keys which when depressed by a student supplies said machine with said answers; estimation unit means for determining whether said supplied answers are correct, said estimation unit means having two inputs one of which is connected to said task unit means, the other connected to said answer unit means; reference means for providing a correct answer to a student assuming the answer provided by the student to a question in said program is incorrect and providing reference data corresponding to said question and to every question in said program of sequenced algorithmic exercises; decoder means connected to said task unit means and having indicating means for indicating the locations of correct answers on said program carrier; control means for presetting a required mode of operation of said machine, said control means having two outputs and an input, one of said outputs being connected to said task unit means, the other to said reference means, said input being connected to said estimation unit means, said control means ensuring continued operation of said machine to a subsequent exercise of said program of sequenced algorithmic exercises when the student has supplied correct answers to preceding exercises in said program and operatively addressing said reference means when said answers are incorrect.