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5 Written questions

5 Matching questions

  1. two's complement (8 bit)
  2. vector advantage
  3. bit map
  4. 16 bit color
  5. 8 bit color
  1. a 64 thousand colours
  2. b 256 possible colours
  3. c represents negative and positive numbers in the range -128 to +127
  4. d binary values corresponding to grid of pixels including colour code
  5. e image can scale to any size without increasing file size, shapes are fully editable by amending numbers that represent attributes eg change layer

5 Multiple choice questions

  1. limit for smallest value (near zero) and largest value on number line depends on number of bits for exponent (moves the point)
  2. 7 bit code representing (only) latin type alphabets and language symbols
  3. photos, images that can't easily be represented as shapes
  4. 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.
  5. bitmap file size depends on the resolution and the bit depth for pixel colour; (length in pixels) x (breadth in pixels) x (bit depth)

5 True/False questions

  1. bit map disadvantageresolution dependant (zooming will show pixels), large file size for high resolution / high colour depth, limited editing - pixel operations only

          

  2. 32 bit integer64 thousand colours

          

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

          

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

          

  5. lossy compressionsome resolution data is lost, image quality affected

          

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