人们不得不采用数字逻辑电路“搭”成一台机床专用计算机实作为数控系统，被成为硬件连接数控，简称未数控(NC)。
People have to use the digital logic circuit "build" into a special computer numerical control machine tool real as a system, the hardware connecting numerical control, or not numerical control (NC).
本文给出了一用于跟踪控制的单板微计算机硬件设计方法及其具体逻辑电路。
The hardware designing method and the concrete logic circuit of single board microcomputer for tracking controll are given.
组成计算机的是逻辑电路。
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