IB Year 2 Higher Level Computer Science

Friday 29 January 2021 - Block 4, Room C152
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Daily Note

  1. Networks 
    1. I will not be here today.
    2. PLEASE review the daily bulletin
    3. PLEASE review the testing schedule! Today is a TESTING DAY 1
    4. open iTerm and type this: ifconfig -en0 <-- that is a zero, not an oh. 
    5. Compose an email and send me the following information: 
      1. State the IP address of the computer you are using?
      2. State the IP address of the router your computer is connected to.
      3. State the subnet mask of your computer? 
      4. State the DNS address of your computer? 
      5. State the MAC address of your wireless NIC?
    6. review and explain to a friend: Data packet 
    7. review and explain to a friend: Network speed 
    8. review and explain to a friend: network hardware
    9. review and explain to a friend: what is the difference between a switch and a router?
    10. review and explain to a friend: OSI model 
    11. review and explain to a friend Network Standards 
    12. review and explain to a friend Network Protocols
    13. carefully read the page and complete the two formative learning activities on the Wireless networks wiki page.
    14. carefullly read the page and complete the formative learning activities on the Packet switching wiki page.
    15. Please ANSWER one question each on our class discussion board about either wireless networks or packet switching. 


A little less comfortable

A little more comfortable

Our Big idea

The big idea for today is Networking.

The essential questions for this topic are:

How does a computer network really work?

It takes time to explore and really understand a big idea. If you want to
learn more about networking (which is connected to today's daily note), please click here .

We are learning this because as a designers must understand scientific and technical innovation. Designers use systems, models, methods, and processes to solve problems.


These links are here to help you access important classroom resources. Please ensure you have all these pages bookmarked.

Google classroom
All daily notes

High school bulletin
Current event activity



Reminders & routines:

Please read and follow these reminders:

  1. IF today ==  testing_day_for_me:
         remember to go get tested!
  2. IF today == Friday:
  3. Please check now: is visual studio code working from my programming folder?