???0?1?????? (bit),?????????????????????????? (binary system) ? - PowerPoint PPT Presentation

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Title:

???0?1?????? (bit),?????????????????????????? (binary system) ?

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Title: 1 Author: Jerry Last modified by: Mike Created Date: 5/6/2006 1:05:59 AM Document presentation format: Company: Personal User – PowerPoint PPT presentation

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Title: ???0?1?????? (bit),?????????????????????????? (binary system) ?


1
???????
  • ?2? ??????????

2
2-1 ???????
  • ???0?1?????? (bit),??????????????????????????
    (binary system) ?

3
?? ???? ??
??? (byte) 8?? B
?? (word) 16?? W
??? (double word ) 32?? DW
??? (quad word) 64?? QW
4
?? ?? ??? ???
???? (kilobyte) KB 210Bytes 103Bytes
????? (megabyte) MB 220Bytes 106Bytes
????? (gigabyte) GB 230Bytes 109Bytes
???? (terabyte) TB 240Bytes 1012Bytes
????? (petabyte) PB 250Bytes 1015Bytes
????? (exabyte) EB 260Bytes 1018Bytes
5
  • ???????????bps???
  • ??????Kbps ?Mbps ?Gbps ???

6
2-2 ????
  • ??????K???????N???????????
  • N????NK (dp-1dp-2
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