The Computing Progression Pathways suggests that at the white level, on the theme of Communication & Networks, a student should demonstrate that he/she:

• Understands the hardware associated with networking computer systems, including WANs and LANs, understands their purpose and how they work, including MAC addresses. (Abstraction) (Algorithmic Thinking) (Decomposition) (Generalisation)

The following link to cs4fn articles that illustrate Communication & Networks – White Level

• You are revamping a hotel and are introducing new card locks rather than ones with keys. Your first thought is to connect all the doors to a computer network. Would that work?

  Hotel Doors and Keycode algorithms [cs4fn-link]

More of our resources, including linked computing ‘story’ booklets can be found in our resources section. You may also want to look at cs4fn’s teacher resources or browse the latest cs4fn magazine.