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5 Written questions

5 Matching questions

  1. 24 bit color
  2. 32 bit integer
  3. 16 bit color
  4. precision
  5. 8 bit color
  1. a 64 thousand colours
  2. b 256 possible colours
  3. c 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. d accuracy of a floating point value depends on number of bits for mantissa (significant digits)
  5. e 4 bytes with binary place values 2^0 to 2^31, maximum value (2^32)-1

5 Multiple choice questions

  1. binary values corresponding to grid of pixels including colour code
  2. photos, images that can't easily be represented as shapes
  3. number of bits used to code a colour, aka colour depth
  4. 7 bit code representing (only) latin type alphabets and language symbols
  5. 16 bit code to represent characters from all the world's alphabets and symbols

5 True/False questions

  1. unicode disadvantagelimited types of image possible, drawings only


  2. lossless compressionsome resolution data is lost, image quality affected


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


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


  5. vector graphicimage stored as collection of shapes, each represented by set of numbers defining properties such as coordinates, line thickness, fill colour, layer level