FIELD: physics, computer engineering.
SUBSTANCE: invention relates to displaying an image in each of a plurality of regions within the same display screen. The display control device includes a display control unit configured to display an image in each of plurality of regions within a display screen, and a message unit. The message unit is configured to provide a message indicating that the images are identical when the plurality of regions display identical images, and not to provide a message when the plurality of regions display different images. Images are identical if they are contained in the same file and different if they are contained in different files.
EFFECT: enabling reliable identification of images displayed in two regions of a screen.
14 cl, 20 dwg
