1. The main components of a computer system(1) A computer system is a system that is operated by a CPU as the core. Typical computer systems include: PCs (desktops + laptops), embedded devices (mobile...
I have a 14-year-old laptop. I changed jobs and needed to debug outside. The laptop was indispensable. The battery of this 8-year-old computer couldn't hold up a year or two ago. It shut down automati...
Wireless sensor networks involve a variety of cutting-edge research areas, including sensor technology, wireless communication technology, and distributed signal processing technology. It uses integra...
Industries need to have a very clear understanding of the materials they use in order to reduce the time spent in the design, factory inspection, process testing and quality assurance stages. Each mat...
Sound pressure, sound intensity and sound powerWe all know that the three parameters that describe sound are sound pressure, sound intensity and sound power. There is a certain relationship between th...
1. Task Requirements
Use a 2-digit digital tube to realize a 30s countdown display. When the start button is pressed, the digital tube display data starts from 30 and decreases by one until it reaches...