A、A.AB<br /> B.<img src="https://img.ppkao.com/2019-04/wangjue/2019041612322333927.jpg" /><br /> C.<img src="https://img.ppkao.com/2019-04/wangjue/201904161232269440.jpg" /><br /> D.AB+C
A、A.AB<br /> B.<img src="https://img.ppkao.com/2019-04/wangjue/2019041612322333927.jpg" /><br /> C.<img src="https://img.ppkao.com/2019-04/wangjue/201904161232269440.jpg" /><br /> D.AB+C
A、已知逻辑图如下图所示,写出其逻辑状态表和逻辑函数表达式。<br /> <img src="https://img.ppkao.com/2018-08/lina/2018082009322318325.jpg" />
A、分析图所示电路的逻辑功能,写出输出函数Y的逻辑表达式。<br /> <img src="https://img.ppkao.com/2019-04/wangjue/2019041615353343533.jpg" />
A、分析如下74LS153数据选择器构成电路的输出逻辑函数式。<br /> <img src="https://img.ppkao.com/2019-05/caoguanchen/2019050614573236402.png" />
A、某同步时序逻辑电路如图所示。<br /> <img height="139" src="https://img.ppkao.com/2018-08/longzhengxuan/2018082411294162848.jpg" width="330" />
A、A.<img height="24" src="https://img.ppkao.com/2018-08/longzhengxuan/2018082411093733140.jpg" width="48" /><br /> B.<img height="23" src="https://img.ppkao.com/2018-08/longzhengxuan/2018082411094122769.jpg" width="52" /><br /> C.<img height="21" src="https://img.ppkao.com/2018-08/longzhengxuan/201808241109444116.jpg" width="52" /><br /> D.<img height="25" src="https://img.ppkao.com/2018-08/longzhengxuan/2018082411094827166.jpg" width="70" />
A、试写出图2.48所示数字电路的逻辑函数表达式,并判断其功能。<br /> <img src="https://img.ppkao.com/2018-08/yuanhao/2018082410021725563.jpg" />
A、试用单片3线-8线译码器T3138和门电路(如图所示)实现逻辑函数:<br /> <img src="https://img.ppkao.com/2019-04/wangjue/2019041615392682327.jpg" />
A、写出下列函数的功能。<br /> <img src="https://img.ppkao.com/2018-07/lina/2018072509545255304.jpg" /><br /> <img src="https://img.ppkao.com/2018-07/lina/2018072509552461386.jpg" />
A、写出下列函数的功能。<br /> <img src="https://img.ppkao.com/2018-07/lina/2018072514585069201.jpg" /><br /> <img src="https://img.ppkao.com/2018-07/lina/2018072514585454790.jpg" />