• 2021-04-14
    中国大学MOOC: 逻辑电路如图所示,当 A =“1”, RD = SD =“1”,R =“0” 时,C脉冲来到后 RS 触发器 ( )。http://edu-image.nosdn.127.net/C45985FDDC630B85F462535924E6F3B4.jpg?imageView&thumbnail=890x0&quality=100