Abstract: An electronic device including a display, a sensor, and a processor. The processor is configured to, based on an interaction mode which is operated according to a user interaction being initiated, control the sensor to detect a position of a user, control the display to display a graphic object at a position corresponding to the detected position, and change, based on the user interaction being input in the interaction mode, the graphic object and control the display to provide feedback regarding the user interaction.

Abstract: Disclosed is method for operating of an electronic device, including receiving a resource information list of a web content from a first server, receiving, from the first server, at least one resource included in the resource information list of the web content, and requesting at least one resource of the resource information list of the web content from a second server based on the received resource information list and the received at least one resource.

Abstract: An electronic device comprising a display, a sensor, and a processor is provided. The processor is configured to, based on an interaction mode which is operated according to a user interaction being initiated, control the sensor to detect a position of a user, control the display to display a graphic object at a position corresponding to the detected position, and change, based on the user interaction being input in the interaction mode, the graphic object and control the display to provide feedback regarding the user interaction.

Abstract: A method of displaying an image is provided. The method of displaying an image by an electronic device includes displaying an image including additional information, acquiring a user input made on the image, updating the additional information corresponding to the image and the image based on the input, and displaying the updated image according to the updated additional information.

Abstract: A method of displaying an image is provided. The method of displaying an image by an electronic device includes displaying an image including additional information, acquiring a user input made on the image, updating the additional information corresponding to the image and the image based on the input, and displaying the updated image according to the updated additional information.

Abstract: Disclosed is method for operating of an electronic device, including receiving a resource information list of a web content from a first server, receiving, from the first server, at least one resource included in the resource information list of the web content, and requesting at least one resource of the resource information list of the web content from a second server based on the received resource information list and the received at least one resource.

Abstract: An apparatus and method for assigning a degree of importance to content in an electronic device is provided. The method includes displaying the content on a display unit, determining a marking region on the content displayed on the display unit, marking the marking region, and assigning the degree of importance to the marking region in consideration of marking information of the marking region.

Abstract: A system for interactive class support and education management is provided. The system includes a first device configured to create a course, to upload materials used for the course to a server, to set students to participate in the course, to configure a student group in a class, and to manage information of the students and education of the students, and a second device configured to submit an assignment result and a test by using materials created by the first device. The first device performs correction guidance for the assignment and test submitted by the first device and stores teacher-correction-guided content in the server, and the second device receives the correction guidance from the first device.

Abstract: A mobile terminal includes an image-obtaining unit configured to obtain an image including a screen displayed by a display device; a display unit configured to display the obtained image to a user; a user input unit configured to receive touch information on the display unit from the user; and a transmission unit configured to transmit screen display information about how the screen is displayed on the display unit and the touch information to a broadcast receiving terminal connected to the display device, wherein the touch information includes selection information of a first point on the display unit and movement direction information of the first point when the first point moves.