ZIMSEC O-Level Computer Science
8.15Form 2: Transmission modes and media, types of networks, internet service providers
Form 2: Transmission modes and media, types of networks, internet service providers in ZIMSEC O-Level Computer Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic39 practice questions2 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 8.15.1Describe the simplex, half-duplex and full-duplex transmission modes.
- 8.15.2Explain the characteristics of twisted pair, coaxial, fibre-optic and wireless media (cost, noise immunity, size and scalability).
- 8.15.3Outline the LAN, WAN, PAN and MAN types of network.
- 8.15.4Explain the services offered by internet service providers.
Lessons
- Full access
Serial, parallel, simplex, half-duplex and full-duplex transmission
30 min
- Full access
Transmission media: cables and wireless
30 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
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