| 摘要 |
A computer system has a removable module that contains a processor, other electrical components, and a battery. When the module has been removed from the computer system, the processor runs an application that interacts with t he electrical components in the module to provide stand-alone functionality. Wh en the removable module is in the computer system, the module is accessed by th e computer system to cause the computer system to perform some of the functionality provided by the module. The functionality provided by the removable module includes receiving emails, displaying an appointment calendar, displaying a contacts listing, providing audio content, providing cellular telephone service, obtaining a video image, providing biometric identification information, sensing position, and displaying a television picture.
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