Abstract: According to one embodiment, an information processing system includes: a storage module; an extractor; a notifying module; and a search module. The storage module is configured to store therein content. The extractor is configured to extract a plurality of keywords acquired from the storage module, the keywords being related to content in use by a user. The notifying module is configured to notify the user of the keywords extracted by the extractor. The search module is configured to add the keywords extracted by the extractor to a selected keyword selected by the user from among the keywords notified by the notifying module, and to carry out a search of content based on the keywords.

Abstract: According to one embodiment, a mobile terminal capable of viewing a Web page, as described in embodiments, comprises a storing unit configured to store an access history of the Web page, and a history recording unit configured to record the access history of the Web page in the storage unit and, upon moving from the Web page to a Web page having other identification information after access, record an access history of the Web page corresponding to the other identification information in the storage unit.

Abstract: A mobile communication terminal configured to run a plurality of application programs is provided, which includes an operation section configured to be operated by a user, a display section configured to display a plurality of icons individually corresponding to the respective programs, a first memory in which a history of use of the programs can be stored, a second memory in which an arrangement of the icons displayed on the display section can be stored, an updating section configured to update the arrangement of the icons stored in the second memory on the basis of the history of use of the programs stored in the first memory, and a display controller configured to display the icons on the display section in accordance with the arrangement stored in the second memory upon the operation section being operated by the user in a specific manner.

Abstract: An efficient data communications system is disclosed. In one embodiment, a data communications system includes a central control unit; a plurality of terminals; and a communication channel having an upstream channel and a downstream channel, the communication channel connecting the central control unit and the terminals, the upstream channel being time-shared among the terminals and a time shared channel being assigned to a terminal that requests a time-shared channel. The central control unit further comprises means for measuring a transmission delay between the central control unit and each terminal via the communication channel; means for selecting the maximum transmission delay from the measured transmission delays; and means for controlling the timing of data transmission of the central control unit according to the maximum transmission delay.