Intro to Digital Imaging

Areas Covered

  1. Photoshop tools and uses
  2. different types of images - bitmap vs. vector
  3. pixels, dpi and ppi, transparency
  4. file types, compression
  5. files suitable for printing
  6. files suitable for web


  1. pixel
  2. additive colour mixing
  3. subtractive colour mixing
  4. transparency
  5. bit 
  6. byte
  7. RGB, CMYK
  8. bitmap image, vector image
  9. lossy compression
  10. gif, jpeg, png, tiff

Example Short Answer Questions

  1. What is lossy compression?
  2. What is a format suitable for printing a enlargement of an image?