8位电子时钟含年月日及闹钟 汇编代码，多功能数字时钟，带年月日时分秒可调功能，及闹钟设置更改等。-8-bit digital clock and alarm clock with year, month date of assembly code, multi-functional digital clock with year, month, day, hour adjustable features, and the alarm clock set to change and so on.