【单选题】
计算机可直接执行的指令一般包含操作码和操作对象两部分，它们在机器内部都是以___表示的。
A. 二进制编码的形式
B. ASCII编码形式
C. 八进制编码的形式
D. 汇编符号的形式
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答案
A
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