Has the use of technology reduced the need for employees? • Has the use of technology created new jobs? • What are the new skills that these new jobs require and how are the workers displaced to acquire these skills? • What impact has the use of technology had on the work environment? (Has the technology made the job more interesting and easier to do, or has the technology made the job more repetitive and less interesting?) What are the legal and ethical obligations of an employer to workers displaced by technology? What impact has the use of computers had on the service provided to the public?

How did you do the encryption part?

How does secret key cryptography function? Please provide a short explanation, maybe with an illustration of how the system used to work. What recent experiences do you have with it?

Give an in-depth comparison and contrast of any two modes of communication and your reasoning for choosing one over the other. Give reasons to back up your response.