下图中的门电路是74系列TTL电路。试问门电路的输出是什么状态?()
A: 低电平;
B: 高阻抗;
C: 无法确定
D: 高电平;
A: 低电平;
B: 高阻抗;
C: 无法确定
D: 高电平;
举一反三
- 下图中的门电路是74系列TTL电路。试问门电路的输出是什么状态?() 未知类型:{'options': ['低电平;', '高阻抗;', '无法确定[img=329x202]17d60dc9b598e92.png[/img]', '高电平;'], 'type': 102}
- 图示电路的戴维南等效电路的参数是:()<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/f5d7aa3fc999448ea403bd5116ee008d.png" > A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/777f5a9976174ad7a9e01b3c5734899e.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/1a62711e7171419084181651c195d6f7.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/1138bdbe38b645749caa3f5c7c1e5e8d.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/37958a932ee34853b15f8bb9c495cf32.png" >
- 图中门电路是74系列TTL电路,说明其输出Y是什么状态。[img=172x73]1802e88875dd4ea.png[/img] A: 高阻态 B: 低电平 C: 高电平 D: 短路
- 对于下列已达平衡的反应体系,若压缩容器体积,增加体系总压力,平衡正向移动的是( )。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/326095eaba6d40a3bc4057c25f7eae82.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/d5573e1b78574bdf970effa5e9509ef4.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/c8f59ca38f9a41db94d913281b203ada.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/41aeceac712749ada229b477082c26aa.png" /> <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/d5573e1b78574bdf970effa5e9509ef4.png" /> <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/0084729e370b40eab5afb29706560d04.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/f92df5cfb06d4322aca5548a0937215a.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/d5573e1b78574bdf970effa5e9509ef4.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/8fd7733b85054932be29f9c24c10f538.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/bfdf951768ce48989962f5ffbf5b8a97.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/d5573e1b78574bdf970effa5e9509ef4.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/6661619fa794442781036239c942bac3.png" />
- 已知如下门电路都是74系列TTL电路,问门电路的输出是( )状态。[img=172x73]180300b8db47bce.png[/img] A: 高电平 B: 低电平 C: 短路 D: 高阻态