Abstract: The present invention relates to a display apparatus comprising a display part on which a picture based on a video signal is displayed, further comprising a signal processor for processing the video signal; a user selection part for enabling a user to set a part of a full picture displayed on the display part as a selected part; and a controller for controlling the signal processor to process the video signal corresponding to the full picture to be displayed as a first picture on a first area and the video signal corresponding to the selected part to be displayed as a second picture on a second area when the selected part is set through the user selection part.

Abstract: Disclosed is a computer system having a computer and a monitor connected to the computer for displaying an image from the computer thereon. The monitor has an input unit for each user to set and select the display environment, a profile storing unit for storing therein the display environment information set by each user, and a monitor control unit for storing the display environment information set by each user through manipulation of the input unit in the profile storing unit and outputting the display environment information of each user to the computer. The computer has a storage unit for storing the display environment information by each user therein, and a computer control unit for storing the display environment information input by each user from the monitor in the storage unit.