Importance

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Abstract

There is provided a computer system which enables a portable terminal to be made smaller, lighter and less expensive, in which the portable terminal can share data with a host computer such as a personal computer installed in an office or the like so that data management can be centralized, and as long as any stand-alone application software is installed in the host computer, it can use the application software freely at any time. The computer system comprises a host computer incorporating therein stand-alone application software, and a portable terminal coupled to the host computer through a communication medium, the host computer including host-side input control means capable of switching over between a host-side input device and a host-side communication device for use as an input data source supplying input data to the application software, and processing result fetching means for fetching output data resulting from the processing by the application software and sent to a host-side output device and sending it to the host-side communication device.

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First Claim