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文章介绍一块具有智力抢答功能的微机内置插卡。该卡运用微机中断技术，由扩充的８２５９Ａ中断控制器、译码电路和抗干扰电路组成，驱动程序用Ｃ语言编程。
The article introduces a piece of computer built-in card with intelligence grab answer function. The card uses computer interrupt technology, the expansion of the 8259A interrupt controller, decoding circuit and anti-jamming circuit, the driver C language programming.