What is CAD and what is CAM? What is the difference between them? Give an example of some brand names of each. What are some of the advantages of using

CAD/CAM over traditional handwriting of G-code or Pencil drawings? Your discussion post must be a minimum of 75 words. Respond to at least one other person, note that your response needs to be meaningful and relevant and must consist of a minimum of three or more sentences.