This course begins with the basics of semiconductor devices and then covers basic digital circuits. Divided into two major stages, the first stage: introduction to electronics and solid-state electronics, focusing on MOS components and CMOS circuits. The second stage: Understand the specifications and operation principles of FPGA/CPLD, understand and be familiar with the use and operation of QuartusII logic circuit design software, and learn the design, implementation and application of digital circuits. *Include* 1. Introduction to Electronics and Semiconductor process. 2. Solid-State Electronics、Solid-State Diodes and Diode Circuits、Field-Effect Transistors. 3. Digital Electronics、CMOS Logic Design 、MOS Memory and Storage Circuits. 4. Quartusll software installation and design process introduction. 5. Arithmetic and Logic Circuit Design、Combinational logic circuit design. 6. Comprehensive application of articles、With Audio sound table tennis game practice.