5个源码包括4输入16输出译码器、并入串出、带复位的六十进制、动态LED显示两个两个不同值、静态LED十六进制显示。-5 source coders include a 4-input and 16-output decoder, parallel-in and the string-out, sixty hex with reset, two LEDs display two different values dynamiclly, two LEDs display sixteen h