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2.資料 - Coggle Diagram

- - - - exponent
        
        bias(位移量) 2^(m-1)-1
    - - mantissa
    - - single precision
        
        1-8-23
        
        excess-127
      - double precision
        
        1-11-52
        
        excess-1023
  - - - big-5,繁中,2byte
      - GB碼,簡中,2byte
  - - - 全彩,24bit
    - - 破壞性壓縮
        
        JPEG
      - 非破壞性壓縮
        
        PNG
        
        GIF
    - - AI
      - WMF
      - EMF
- - - - simple right/left shift
      - circular logical shift/rotate operation
    - - arithmetic right shift=/2
        
        保留符號位元，複製符號位元至下一個
      - arithmetic left shift=*2
        
        丟棄符號位元，若新的符號位元與舊的不同則overflow