4x4矩阵键盘实验C\4X4
................\4X4.BIN
................\4x4.c
................\4X4.DSK
................\4X4.HEX
................\4x4.lnp
................\4X4.LST
................\4X4.M51
................\4X4.OBJ
................\4x4.Opt
................\4x4.plg
................\4x4.Uv2
................\TEMP.LST
................\WAVE.LIN
................\实验说明.txt
................\实验说明文档.doc
4x4矩阵键盘实验C