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单选题 按状态迁移顺序划分,计数器可以分为加法计数器、减法计数器和( )
学科：数字电子技术基础
时间：2023-05-09 09:46:04
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题目1单选题
<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/74504314aa5240e9bd3436a4902debfe.png">A. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/b1ca7a20fb5549f99061b38ebb6109ba.png">B. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/590e05f6f7524688925591c4c4d455b9.png">C. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/0e438102dbe44c5dae4ae0a2df7fe6b3.png">D. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/db5319e7d32a44caa2e52cfa0beb0b02.png">
题目2判断题
以8421奇校验码方式传送十进制数8时,如果校验位上出现了1就表明在传送过程中出现了错误.( )A. 对B. 错
题目3判断题
<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/d3c80f0f46ac4e9384c20a597eade328.png">A. 对B. 错
题目4单选题
可以选用( )实现往复振荡的方波信号A. 计数器B. 多谐振荡器C. 单稳态触发器D. 施密特触发器
题目5单选题
<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/2e3617fa8cf248ecb8f8a981c192bcc7.png">A. 11001.01 100101.00100101B. 19.4 11001.01C. 31.2 11001.01D. 31.2 100101.00100101
题目6单选题
<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/10179748cbc44b56a977541ce58abf16.png">A. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/9eb42aa2ab1a4f1686c2081512b24e11.png">B. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/ef4ebf5c678b44589c3595925096c441.png">C. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/deec1cb8ebc541fbaa71ba4dacd03894.png">D. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/bd7038db09db4352bfe39b415adf5183.png">
题目7单选题
<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/a20aa251199e447e8c966a37c046f62b.png">A. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/2246fb8d2c3240ed903526d73d617e54.png">B. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/46e3020770bd466aba5f5b6afa1f9963.png">C. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/2fdba5fd5ec84714ba3218354df06c2d.png">D. <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/43e0ff4f7ff14dcfbba1c6fa94c5ee88.png">
题目8单选题
按状态迁移顺序划分,计数器可以分为加法计数器、减法计数器和( )A. 二进制计数器B. 十进制计数器C. 同步计数器D. 可逆计数器
题目9判断题
因为逻辑表达式A+B+AB=A+B成立,所以AB=0成立.( )A. 对B. 错
题目10判断题
<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/64139b958b52405195b8b626d0d20e40.png">A. 对B. 错
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