Teach IB Computer Science A1.1.7 with this fully editable PowerPoint lesson on internal and external secondary storage, including SSDs, HDDs, eMMC, optical drives, flash drives, memory cards and NAS.

Students compare storage types by speed, capacity, portability, durability, cost and use case. The deck connects each type to realistic scenarios such as student laptops, video editing, digital cameras, backups, school networks and shared files.

This ready-to-teach slide deck includes:

• Clear explanations of internal and external storage types
• Comparisons of SSDs, HDDs, eMMC and removable media
• Scenario decision guides linking features to requirements
• NAS, backups, shared access and centralized storage
• Worked examples with IB-style command terms
• IB-style questions, mark schemes and exam guidance
• Teacher question-writing templates and exit-ticket review
• Editable PowerPoint format for easy classroom adaptation

Ideal for IB Computer Science classroom teaching, revision, flipped learning or independent study.