JSS 2 First Term

Lesson objectives

By the end of the week, learners should be able to:

1. Define a network as two or more devices sharing resources.
2. Explain why schools and offices build networks instead of isolated machines.
3. Name the four basic network types and give one real-world example each.
4. Draw a basic star topology on paper without a device.
5. Tell whether a given connection passes through an internet service provider.

Key vocabulary

• Network: two or more devices connected so they share resources.
• Share: making resources such as printers or files available to others.
• Star topology: one central device connected to all others.
• Bus topology: one cable through which all devices attach.
• Ring topology: devices chained in a closed loop.
• Mesh topology: every device connected to every other device.
• Internet service provider: the company supplying network access.

Common misconceptions

• "Networks are only for school laboratories." Networks exist at home, bank, hospital and transport.
• "A network always needs cables only." Wireless networks also exist and often start with radio links.
• "Mesh is the slowest topology." Mesh offers redundancy but can add complexity and cost.

Teacher activities

1. Starter: ask a pair to describe why two computers in the same building benefit from sharing a printer.
2. Define a network and illustrate it as a shared-resource arrangement on the board.
3. Name the four basic network types and give one example for each, drawing simple diagrams.
4. Compare the four topologies on cost, reliability and scalability in a comparison table.
5. Show a wireless router diagram and ask learners to name the provider connection.
6. Close with the connection question and exit question about why school networks matter.

Student activities

1. Describe the sharing benefit from the starter and state which resource is shared.
2. Name the four basic network types and give one example each from home or school.
3. Fill the four-topology comparison table with cost, reliability and scalability notes.
4. Draw a star topology on paper showing a central device and two attached devices.
5. Decide whether a given connection passes through an internet service provider and explain why.
6. Answer the exit question in one sentence about why school networks matter.

Practical / learning evidence

A completed four-topology comparison table, a drawn star diagram and a three-item network-type identification worksheet. Hand in all three.

Resources and preparation

Printed comparison table template, blank topology drawing sheets and a provider diagram photograph. Offline route: paper tables and drawings, no device needed. Display the photograph carefully and do not let learners dismantle routers without supervision.

Assessment for learning

Inspect the comparison table for at least two criteria filled correctly per topology. Check the star diagram for one central device and two attached connections. Mark the identification worksheet for correct answers with reasons.

Inclusion and homework

Provide the comparison table prefilled for learners who need scaffolding and allow oral answers. Extend confident learners with a five-topology extension and a reliability ranking. Homework: draw three network types from home and state where each lives.