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优先编码器可同时输入多个信号,但是只对优先级别最高的输入信号进行编码并输出
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优先编码器可同时输入多个信号,但是只对优先级别最高的输入信号进行编码并输出
A.对
B.错
正确答案:对
Tag:
数字电子技术
信号
编码器
时间:2024-01-04 10:43:18
上一篇:
组合逻辑电路的设计步骤一般为()
下一篇:
普通编码器要求任何时刻只能有一个输入信号。现有4个输入信号X3,X2,X1,X0,需要2位二进制数A1,A0进行编码。功能表如右表所示,写出普通编码器输出变量逻辑表达式()。
相关答案
1.
组合逻辑电路的输出不仅仅与此刻电路的输入状态有关,还与电路过去的状态相关,电路中具有反馈环节,电路具有记忆存储功能。
2.
化简
3.
化简,
4.
已知真值表如右表所示,输入变量A、B,输出变量F;写出与真值表对应的逻辑函数表达式()
5.
=1
6.
逻辑代数有三个重要的运算规则,不是三规则的是()
7.
二进制数减法运算,0110-0101= 0001。
8.
将十六进制数转换成二进制数。()十六进制=(11001101)二进制
9.
将二进制数转换成十进制数。(1100100)二进制=()十进制
10.
工作信号是模拟信号的电路称为数字电路。
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