Electronic device and method for controlling the same

A digital television comprising:

• a display;
• an interface configured to receive a control signal for controlling an operation of the digital television from a remote controller;
• a communication unit configured to support internet access;
• a broadcast receiver configured to receive broadcast signals or broadcast associated information from an external broadcast management server via a broadcast channel;
• and
• a controller configured to:
• display broadcast content received through the broadcast receiver on the display,
• display a screen corresponding to a voice recognition mode on the display in response to entering the voice recognition mode, wherein the screen includes a symbol and text indicating the voice recognition mode,
• receive a voice command signal corresponding to a voice command through the remote controller in the voice recognition mode while the broadcast content is displayed, wherein the voice command is input via a microphone provided in the remote controller, wherein the input voice command is a single voice command including a first part defining an Internet based search engine successively followed by a second part defining a search keyword, and
• display a web page corresponding to the Internet based search engine included in the voice command,
• wherein the received voice command comprises natural language,
• wherein the search keyword is extracted from the natural language based on Natural Language Processing (NPL),
• wherein the web page includes a search window including the search keyword,
• wherein the web page includes a search result corresponding to the search keyword, and
• wherein the web page corresponds to a web site corresponding to the Internet based search engine accessed through the Internet.