ZIMSEC O-Level Combined Science
7.3.4.6Telecommunication
Telecommunication in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson
Overview
Form 4 (competency matrix 8.12.5).
Learning objectives
What the syllabus expects you to be able to do.
- 7.3.4.6.1Describe communication over a distance by cell phone and email.
- 7.3.4.6.2List types of media for transmitting signals and describe how signals pass through them.
- 7.3.4.6.3Describe the operation of cell phones and their transmitters and receivers.
Lessons
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Telecommunication: cell phones, email and transmission media
35 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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