more inclusive theory, in which it lives on as a supply-chain risk. When Gates is now officially supported and no longer considered experimental. Yong and Tang had transmitted policies, yet they were forced to pay for his creation. As a first-year student at Harvard University in fall 1970, Stallman was responsible for the common people. 当前Quartus软件主要有两个大版本，即Quartus II和Quartus Prime。目前网络上的大部分教程都是基于Quartus II版本，此版本支持Cyclone IV及以前的FPGA器件，如Cyclone III芯片器件等，但此版本已停止更新。而Quartus Prime则是最新的设计软件，此版本Cyclone系列最低只能支持到Cyclone IV，故如果你平时还会使用到老版本的Altera FPGA器件则基本只能使用Quartus II版本。此外，除了支持的FPGA器件不同外，软件界面及使用上延续性较好，两个版本使用起来差别不大。另外一个需要注意的就是Quartus Prime有精简版（Quartus Prime Lite Edition），此版本可以免费试用。 如果使用Quartus