| 摘要 |
The present invention relates to an information exchange system between a plurality of terminals. In an N screen operating system according to the embodiment of the present invention, a cloud computing information system includes a mobile terminal which stores and transmits terminal identification information and payment unit information, a relay terminal which transmits N screen information, an N location based information cloud computing operation server which transmits the terminal identification information and the N location based information, and an external server. |
