Refrigerator having automatic food ordering function and method for operating the same

A refrigerator having an automatic food ordering function, comprising:

• a network interface configured to transmit data to and receive data from an external network over the Internet;
• a network microcomputer configured to process data received from an input device and to transmit the processed data and external network data associated therewith through the network interface;
• a display provided at a front of the refrigerator and configured to display an image signal on a screen thereof;
• at least one container provided in the refrigerator and configured to receive at least one type of food article;
• at least one sensor provided in the container and configured to sense a residual amount of the food article stored in the container;
• and
• a controller configured to transmit a signal to the display related to the residual amount of the food article sensed by the sensor for display on the screen when the residual amount of the food article is less than a predetermined amount.