Display apparatus for processing multiple applications and method for controlling the same

A method of controlling a television having an Internet browsing function, the method comprising:

• accessing, via a network interface of the television, a first webpage through a web-browser;
• storing a first URL of the first webpage and a first accessed screen of the first webpage accessed by the television in a memory;
• accessing a second webpage through the web-browser,
• storing, a second URL of the second webpage and a second accessed screen of the second webpage accessed by the television in the memory,
• displaying, via a display module of the television, a broadcast program in a first area, wherein the broadcast program is received via the network interface, an external device interface or a tuner;
• while displaying the broadcast program in the first area, displaying, via the display module, a thumbnail list in a second area, wherein the thumbnail list includes a first thumbnail generated from the first accessed screen and a second thumbnail generated from the second accessed screen, wherein the second area is within a portion of the first area in which the broadcast program is displayed, and the second area overlaps with the first area;
• receiving, via a user interface of the television and from a remote controller, a command signal for selecting the first thumbnail;
• and
• in response to receiving the command signal, displaying, via the display module, the first webpage in the web-browser, based on the first URL stored in the memory,
• wherein the second thumbnail corresponds to the second webpage most recently accessed by the television and the first thumbnail corresponds to the first webpage accessed right before the second webpage.