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

摘要

A method of 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: transmitting, by the electronic device, a problem and answer information to the problem to the server; receiving, by the display device, information about the problem from the server and displaying it; , acquiring based on a user command and transmitting it to the server, the server acquiring 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.