ZIMSEC O-Level Computer Science
6.1Hardware and Software
In this topic
Lessons
- Full access
Input devices
35 min
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Output devices
35 min
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Ports, connections and the USB interface
30 min
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Primary storage: RAM, ROM and virtual memory
30 min
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Secondary storage: magnetic, optical and solid-state
35 min
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System software, application software and utilities
30 min
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The central processing unit (CPU)
25 min
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Off-the-shelf, customised and open-source software
30 min
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Data capture systems, POS terminals and ATMs
35 min
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Operating systems and their functions
35 min
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Hardware and software maintenance and troubleshooting
35 min
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Sample question
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