Computer Networks · JHS2 Computing

Lesson notes

Learning Objectives

Indicator: B8.3.1.1.2 Describe the Internet, world wide web (www) and Internet Protocol (IP) addresses

By the end of the lesson, learners can:

Define the Internet and describe its purpose as a global network of connected computers.
Explain the function of an IP address and state the difference between IPv4 and IPv6 formats using examples.
Describe the role of the Domain Name System (DNS) and compare it to a phonebook.
Distinguish between the Internet and the World Wide Web (www) using a clear analogy or example.
Identify the four classes of Internet addresses (A, B, C, D, E) and give a practical example of each.

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Curriculum details

Strand: Communication Networks (Strand 3)
Sub-strand: Computer Networks (3.1)
Content standard: B8.3.1.1 - Identify the concept of computer networking for global communication
Indicator: B8.3.1.1.2 - Describe the Internet, world wide web (www) and Internet Protocol (IP) addresses
Suggested placement: Term 3, Week 2 (Week 26 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Computing, Common Core Programme (JHS1-JHS3), 2023, p. 33
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

1. Describe the Internet and the classes of internet addresses.
2. Explain the internet Domain Name Server (DNS), which is equivalent to the function of a phonebook.
3. Distinguish between IPv4 and IPv6 addresses.
4. Explore the difference between internet and world wide web (www).