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Competency Exam

Module 2: Creating / Displaying Digital Color


  1. What colorants are used in color photography?
      A. RGB pigments
      B. RGB dyes
      C. CMY pigments
      D. CMY dyes

  2. All the following are essential elements of conventional process color printing except:
      A. halftone screening
      B. offset lithography
      C. color separation
      D. CMYK inks

  3. Colors are created on a TV or computer monitor by:
      A. RGB pigments
      B. RGB phosphors
      C. CMY dyes
      D. CMY phosphors

  4. Colorants used in various desktop digital color printers include all the following except:
      A. CMY dyes
      B. CMYK dyes
      C. CMYK toners
      D. CMY phosphors

  5. The most familiar application of additive color mixing is:
      A. process color printing
      B. photography
      C. digital color printing
      D. television

  6. When equal amounts of two primary colors are mixed, the resulting color's relationship to the third (unused) primary is called:
      A. complementary
      B. co-dependent
      C. independent
      D. subtractive

  7. The complement of magenta is:
      A. red
      B. green
      C. blue
      D. yellow

  8. Filters can be used to control the color of light. Imagine you are lighting a scene in a photo studio, and you want to shine blue light on the background. What color filter would you use?
      A. red
      B. green
      C. blue
      D. yellow

  9. The subtractive color mixing system filters light using:
      A. RGB pigments and dyes
      B. CMY pigments and dyes
      C. RGB phosphors
      D. over-projection

  10. When cyan is mixed in equal amounts with magenta, the resulting color is:
      A. red
      B. blue
      C. green
      D. black

  11. When cyan, magenta and yellow are mixed in equal amounts, the resulting color is:
      A. red
      B. blue
      C. green
      D. black

  12. The three color process produces a wide range of colors by varying the strength of CMY colorants that are:
      A. complementary
      B. projected side-by-side
      C. printed side-by-side
      D. overprinted

  13. As an experiment, you replace the CMY inks in a printing press with RGB inks. Why will this experiment fail to produce a wide range of intermediate colors?
      A. because of ink impurities
      B. because it's impossible to produce RGB inks
      C. because all color is absorbed when two additive primaries are overprinted
      D. all of the above

  14. Your color computer monitor is an additive color mixing system. Its color gamut is different from the gamut of a printing press. Which is most likely to produce a greater range of light colors, as well as reds, greens and blues?
      A. color computer monitor
      B. printing press

  15. The basic building block for all digital images is the:
      A. halftone screen
      B. pixel
      C. bit
      D. halftone grid

  16. To produce an image, a digital device must represent three properties of a pixel. Which is not one of them?
      A. size
      B. color
      C. angle
      D. location

  17. Your computer uses 8 bits to represent color values. How many individual colors can you produce?
      A. 16
      B. 64
      C. 256
      D. 16.7 million

  18. Which bit depth is most commonly used in today's desktop digital imaging applications?
      A. 8 bit
      B. 24 bit
      C. 32 bit
      D. 64 bit

  19. You are creating a page layout which includes color tints. You can specify the color of the tints in several ways. Which is not among them?
      A. Pantone Matching System
      B. system palette
      C. scanner software controls
      D. color picker

  20. An advantage of working with hue, saturation and brightness values versus RGB or CMYK color spaces, is the ability to:
      A. produce brighter hues
      B. change brightness without altering hue or saturation
      C. produce a wider range of brightness
      D. change hue without altering RGB or CMYK values

  21. If you are editing images for printed reproduction, they must ultimately be converted from RGB to CMYK color space. If you are not familiar with CMYK halftone dot values, you can optimize the conversion by using:
      A. image compression software
      B. gray component replacement
      C. unsharp masking
      D. color management software

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