实验34_抢答器 .............\qdq .............\qdq.c .............\qdq.hex .............\qdq.lnp .............\qdq.LST .............\qdq.M51 .............\qdq.OBJ .............\qdq.Opt .............\qdq.plg .............\qdq.Uv2 .............\STARTUP.A51 .............\STARTUP.LST .............\STARTUP.OBJ