Bit - A data unit which must be in one of the two binary states described above. It is the smallest data unit that exists.
Byte - 8 bits of data which has a possible value from 0 to 255.
Word - Two bytes or 16 bits of data with a possible unsigned value from 0 to 16535.
这个16535我不太明白？
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应该是65535吧 2的16次方减1
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对，应该是2的 16次方减1
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帮顶，接分~~
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UP