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操作数00000101与00000101执行逻辑______操作后，运算结果为00000000。
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执行下列移位指令时向操作数的符号位填入0的是56
逻辑左移
逻辑右移
算术左移
算术右移
计算机能直接执行的指令包括两部分它们是
源操作数与目标操作数
操作码与操作数
ASCII码与汉字代码
数字与字符
操作数00000101与00000101执行逻辑1操作后运算结果应为00000000
或
与
异或
与
在Excel__式中用于指定对操作数或单元格引用数据执行何种运算
运算符
=
操作数
逻辑值
算术左移SAL和逻辑左移SHL两条指令对执行完成后结果完全相同的情况是______
目的操作数最高低为0
目的操作数最高低为1
目的操作数为任意情况
无论什么情况都不可能相同
假设AL寄存器中的数据是00001010B执行下列哪一条指令后它被改变为00000101B
AND AL, 00000101B
OR AL, 00000101B
XOR AL, 00001111B
NOT AL
MCS-51的数据传送指令是把源操作数传送到目的操作数指令执行后源操作数改变目的操作数修改为源操作数
在Excel97__式中____用于指定对操作数或单元格引用数据执行何种运算
操作数
=
运算符
逻辑值
微处理器在执行一条指令时主要将它分解成以下几个步骤去完成其中顺序正确的是
取指令、取操作数、指令译码、执行运算、回送结果
取指令、指令译码、取操作数、执行运算、回送结果
取指令、指令译码、执行运算、取操作数、回送结果
取指令、执行运算、取操作数、指令译码、回送结果
操作数01010101与10100101执行逻辑11操作后运算结果为11110000
与
或
与非
异或
若操作数00000101与00000101执行逻辑______操作后
或
与
异或
与非
操作数01010101与10100101执行逻辑2操作后运算结果为11110000
与
或
与非
异或
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