逻辑电路如图所示，当A=“1”时，RS触发器（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/0288874c5a0644caae0d4290f5df0772.png
举一反三
- 电路如图5所示，运算放大器构成 。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201804/ad0dc8cc2e8547ccb31a035a818c1d8d.png
- 逻辑函数F(A,B,C)=AB+BC+AC的卡诺图为（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/7a8254757f8a4fc6ab82fa93a8e86ebf.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/229cbcade3654fb99c66a7c102ec046f.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/1c851f1288be499c92d2a7b40607bd1a.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/3b385269839a45df9645db71096c2e81.png" />
- 同或的逻辑表达式为：（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/de7cc25b0fa441acbd1ae351e6b717bf.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/0521e4ead0c94f6b926ad268101e03dc.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/d7e24d5fe0914412afdc9203542a97be.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/1a45c582099646599b854ab6adc648f4.png" />
- 如图5所示电路中，Is=0时，I=2A，则当Is=8时，I=（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201903/83ffe24312a04f02a0d192228be2ca97.png
- 如图所示的电路属于（ ）滤波电路。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/190dffe6b54f4c01ba9042f0697ba320.png