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Error Checking

posted Dec 3, 2009, 11:44 AM by Eddie Woo   [ updated Dec 3, 2009, 1:01 PM ]
In your notes, make the following headings & try to keep up with me as I talk you through them!
  • Why is it needed?
  • How is it done?
    • Repetition
    • Parity
    • Checksum
    • CRC
After the discussion is over, do some research on hash functions on the internet. Then answer the following questions:
  • What is a hash function?
  • What is its main purpose?
  • How can it be used as a method of checking for errors?
Then, please read about Communication settings on page 79. On page 80, answer question 10 and complete learning activities 2-5. Don't forget to upload your work!

Eddie Woo,
Dec 3, 2009, 12:50 PM