An electronic apparatus, method, and computer readable medium are provided. The electronic apparatus includes a communicator, and a controller. The controller, based on a first voice input being received, controls the communicator to receive data including first response information corresponding to the first voice input from a server, and outputs the first response information on a display, and based on a second voice input being received, controls the communicator to receive data including second response information corresponding to the second voice input from the server, and outputs the second response information on the display. Based on whether the second voice input is received within a predetermined time from a time corresponding to the output of the first response information, whether a use of utterance history information is identified, and the second response information is displayed differently based on whether the second voice input is received within the predetermined time.