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Essential Guide to Computing: The Story of Information Technology, The by E. Garrison Walters

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Test Your Understanding

  1. What are three ways to modulate a wave?

  2. What is bandwidth?

  3. What are the advantages of digital communications over analog?

  4. What are the two components of sampling?

  5. What difference does compression make in digital communications?

  6. Describe MPEG compression.

  7. What is the difference between spatial and temporal compression?

  8. Give examples of lossy compression.

  9. How does a cyclical redundancy check work, and what is its purpose?

  10. When is forward error correction used?

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