CONTROL METHOD OF LECTURE PROVIDING SYSTEM INCLUDING KEYPAD APPARATUS LINKED WITH MOUNTED STUDENT TERMINAL

摘要

A method for controlling a lecture providing system including a server, an electronic device, a display device, and a keypad device is provided. The control method may include, by the electronic device, transmitting information about a problem and an answer to the problem to the server, the display device receiving and displaying information on the problem from the server, and the keypad device , obtaining based on a user command and transmitting it to the server, the server obtaining a plurality of correct answers information obtained from the keypad device and other keypad devices, and the display device 400, the plurality of correct answers displaying information.