ZIMSEC O-Level Computer Science
8.23Form 3: Applications of hardware devices; operating systems
Form 3: Applications of hardware devices; operating systems in ZIMSEC O-Level Computer Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic37 practice questions2 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 8.23.1Identify how hardware devices are applied in point-of-sale terminals, ATMs and data-capturing systems.
- 8.23.2Compare personal computer and mobile operating systems.
- 8.23.3Explain the functions of an operating system.
Lessons
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Data capture systems, POS terminals and ATMs
35 min
- Full access
Operating systems and their functions
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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