单片机试卷1

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一、填空题（20分）

1. MCS51系列单片机有:_______________, _______________, _______________等3种基本类型, 其区别在于:__________________________________________________________________________________________.

2. 8051存储器空间包括：_______________________, ________________________, ______________________, _______________________, ______________________

3.按模块划分,单片机硬件结构主要包括: _________________________, ______________________, _______________________, _____________________.

4.ADC选择要点是：____________________, ____________________________,

_________________________, ______________________________, DAC选择要点是：___________________, _______________________, ___________________,   _________

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