A display apparatus includes a display configured to display an image based on at least one between received first and second broadcast signals, a first signal processor configured to selectively activate and inactivate an operation for processing the first broadcast signal, a second signal processor configured to selectively activate and inactivate an operation for processing the second broadcast signal, and a controller configured to control the first signal processor and the second signal processor to selectively activate or inactivate the operations for processing the first broadcast signal and the second broadcast signal in response to a command for switching between the first broadcast signal and the second broadcast signal.