| 摘要 |
PURPOSE: A computer having plural video output units is provided to output the same screen or each different screen to plural video output units by setting plural graphic cards in a computer. CONSTITUTION: A CPU(Central Processing Unit, 120) loads a driver of a data memory(110) on a RAM(Random Access Memory) if a user powers on a computer. If the user operates a signal input unit(100) such as a keyboard or a mouse to generate first to Nth graphic signals, the signal input unit outputs the first to Nth graphic signals to the CPU. The CPU divides the graphic data generated in a process of processing data by controlling the driver on the RAM and outputs first to Nth driving signals to first to Nth graphic processors(130, 150) respectively. The graphic processors transmit graphic data to first to Nth video output units(140, 160) by processing the graphic data divided by the CPU. The video output units output the processed graphic data for the user to recognize visually. The graphic data are provided to the user through one of the plural video output units according to designation of the user.
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