How many a byte

A few days ago written discovered the problem a little vague, embarrassing, record it:

  • 1 byte (byte) = 8 bit (bit)

 In the 16-bit system (such as microcomputer 8086) a word (word) = 2 bytes (byte) = 16 (bit)

 In the 32-bit system (such as win32) 1 word (word) = 4 bytes (byte) = 32 (bit)

 In the 64-bit system (such as win64) 1 word (word) = 8 bytes (byte) = 64 (bit)

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Origin www.cnblogs.com/roscangjie/p/11566668.html