这非常经典的硬件知识问答集合，里面涵盖了从模电到数电到系统产品开发的细节知识，是非常非常宝贵的经验总结。-This is a classic collection of hardware knowledge quiz, which covers from the mold to the number of electrical systems development to product details of knowledge, is a very valuable experience.

计算机通信 模电 数电 信息系统 电子信息理论-computer communication

数模转换和模数转换实现数字系统对电模拟量的检测、运算、和控制-Digital to analog conversion and analog digital conversion testing, operation, and control of digital analog to the electricity system