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5 Written questions

5 Matching questions

  1. range
  2. 24 bit color
  3. 32 bit integer
  4. ASCII
  5. precision
  1. a 7 bit code representing (only) latin type alphabets and language symbols
  2. b limit for smallest value (near zero) and largest value on number line depends on number of bits for exponent (moves the point)
  3. c accuracy of a floating point value depends on number of bits for mantissa (significant digits)
  4. d 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. e 4 bytes with binary place values 2^0 to 2^31, maximum value (2^32)-1

5 Multiple choice questions

  1. 16 bit code to represent characters from all the world's alphabets and symbols
  2. number of bits used to code a colour, aka colour depth
  3. no resolution information is lost
  4. graphic file size made smaller by using special algorithms to reduce amount of data needed for bitmap
  5. 64 thousand colours

5 True/False questions

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

          

  2. image file sizeaccuracy of a floating point value depends on number of bits for mantissa (significant digits)

          

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

          

  4. bit map advantagephotos, images that can't easily be represented as shapes

          

  5. 8 bit color64 thousand colours