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Welcome, 9IPT.

posted Nov 30, 2009, 1:21 PM by Eddie Woo   [ updated Nov 30, 2009, 3:40 PM ]
Make yourself at home. Before we move onto course-related stuff, we need to do a bit of housekeeping first. You can now find your own section in the Sandbox. Please navigate to it and customise it a little - for some ideas on how to arrange your page, have a look at the Sandbox pages of some of my IPT 2008-09 students. 

Yesterday, we had our first lesson and we started to go into detail on communications systems. Systems dedicated to transmitting & receiving surround us everyday. Even considering non-computer-based systems, it is difficult to imagine life without communications systems.

In your section, please make your first post (you'll find it works just like your science class wiki - which was based on this website). Once you've created it, upload the work you did yesterday as an attachment. You can upload it in any form you like - Word document, OneNote, HTML, Paint, TXT - whatever! So long as it's there and readable.  Make sure your subsequent work is uploaded either during each lesson, or after the lesson (on the same day at the latest). I'll be checking your progress regularly.

Now, back to communications systems. Yesterday, I introduced you to the following framework diagram:


You'll notice a bit of extra detail in the diagram, which I will explain on the board.

Questions
1. For each of the following instances of communication, identify the source, transmitter, medium, receiver and destination that form the communications system.
  • You receive a postcard in the mail from a family member overseas.
  • Mr. Woo watches FlashForward.
  • You place an order at McDonald's.
  • The person taking your order at McDonald's requests for your meal to be made.
2. Explain what a protocol is, and why it is needed in a communications system.

3. Define handshaking, and give examples of when this takes place.

4. In your textbook, read the sections Speed of transmission and Error checking on pages 77-78. Then, answer questions 6-9 on page 80.
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