题型:单选题 题类:常考题 难易度:困难
浙江省杭州市2019年6月高二下学期通用技术统测试卷
A | B | C | Y |
0 | 0 | 0 | 0 |
0 | 0 | 1 | 1 |
0 | 1 | 0 | 1 |
0 | 1 | 1 | 0 |
1 | 0 | 0 | 1 |
1 | 0 | 1 | 0 |
1 | 1 | 0 | 0 |
1 | 1 | 1 | 1 |
2脚 | 6脚 | 3脚 |
<1/3Vcc | <1/t+3Vcc | 高电平 |
>1/3Vcc | t<2/3Vcc | 保持 |
>1/3Vcc | >2,73Vcc | 低电平 |
试题篮