Answers

  1. Helps individuals with disabilities or impairments to complete certain tasks on their computers and to improve computer experience.
  2. Google Docs voice typing, Speechnotes, and e-Speaking.
  3. Full screen, the entire screen gets magnified, and moving the mouse can show where you want to see.
    Lens, acts as a magnifying glass on the mouse.
    Docked, shows magnified part on the mouse at the top of your computer.