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Self-test 1.1

23 November, 2015 - 15:02
  1. Draw a diagram to capture all the five components of data communication. Explain the relationships among them.
  2. Explain the importance and the functioning of protocols in data communications.
  3. Explain the relationship between computer and network, and the effect of this relationship with the advent of distributed processing.
  4. Match the following three pairs. 
  1. Simplex
  2. Half-duplex
  3. Full-duplex
  1. internet access
  2. Sending stock information to pager
  3. Push-to-talk walkie-talkie