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5 Written Questions

5 Matching Questions

  1. 32 bit integer
  2. ASCII
  3. precision
  4. bit depth
  5. 16 bit color
  1. a 64 thousand colours
  2. b 4 bytes with binary place values 2^0 to 2^31, maximum value (2^32)-1
  3. c number of bits used to code a colour, aka colour depth
  4. d accuracy of a floating point value depends on number of bits for mantissa (significant digits)
  5. e 7 bit code representing (only) latin type alphabets and language symbols

5 Multiple Choice Questions

  1. graphic file size made smaller by using special algorithms to reduce amount of data needed for bitmap
  2. 16 bit code to represent characters from all the world's alphabets and symbols
  3. Digital color model that uses eight bits each for the three additive colors (red, green, blue.) It can reproduce 256 shades of each primary color. Total 16 million shades. True colour.
  4. some resolution data is lost, image quality affected
  5. image can scale to any size without increasing file size, shapes are fully editable by amending numbers that represent attributes eg change layer

5 True/False Questions

  1. two's complement (8 bit)no resolution information is lost

          

  2. range7 bit code representing (only) latin type alphabets and language symbols

          

  3. bit mapbinary values corresponding to grid of pixels including colour code

          

  4. unicode disadvantagelimited types of image possible, drawings only

          

  5. vector disadvantageimage can scale to any size without increasing file size, shapes are fully editable by amending numbers that represent attributes eg change layer

          

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