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IGCSE Computer Science 0478 — 3.3 Data Storage

Where data lives — primary, secondary, virtual and cloud storage.

Modules (30)

Printables for this journey

Every module above has its own free printable worksheet with an answer key. These crosswords and word searches cover the same terms:

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Years 5–6 Digital Systems Crossword: Inside digital systems (Modules 1–10) 10 clues · Digital system, Hardware, Software, Input, process, output and storage and more
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Years 5–6 Digital Systems Crossword: Inside digital systems and Data and networks (Modules 11–20) 10 clues · Cloud storage, Motherboard, Graphics processing unit (GPU), Network interface (wired and wireless adapter) and more
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Years 5–6 Digital Systems Word Search: Inside digital systems and Data and networks (Modules 1–20) 20 words to find · Digital system, Hardware, Software, Input, process, output and storage and more
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Crossword: 3.2 Input and Output Devices and 3.3 Data Storage (Modules 293–303) 10 clues · Sensors, microprocessor and actuator in a control system, Matching sensors to the data they capture, Choosing the most suitable sensor for a given context, Choosing input devices, output devices and sensors together for a system and more
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Crossword: 3.3 Data Storage (Modules 304–313) 10 clues · Why secondary storage is needed, Magnetic storage: platters, tracks and sectors, Magnetic storage: reading and writing with electromagnets, Hard disk drive (HDD) and more
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Crossword: 3.3 Data Storage (Modules 314–324) 10 clues · Comparing magnetic, optical and solid-state storage, Choosing a secondary storage device for a scenario, Virtual memory, Why virtual memory is needed and more
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Crossword: 3.3 Data Storage and 3.4 Network Hardware (Modules 325–341) 10 clues · Comparing cloud storage with local storage, Writing exam answers about data storage, What a MAC address is, MAC addresses are given at manufacture and more
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Word Search: 3.2 Input and Output Devices and 3.3 Data Storage (Modules 283–303) 22 words to find · Humidity sensor, Infra-red sensor, Level sensor, Light sensor and more
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Word Search: 3.3 Data Storage (Modules 304–324) 20 words to find · Why secondary storage is needed, Magnetic storage: platters, tracks and sectors, Magnetic storage: reading and writing with electromagnets, Hard disk drive (HDD) and more
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Word Search: 3.3 Data Storage and 3.4 Network Hardware (Modules 325–354) 20 words to find · Comparing cloud storage with local storage, Writing exam answers about data storage, What a MAC address is, MAC addresses are given at manufacture and more

Frequently Asked Questions

Are these worksheets free?

Yes — every worksheet and its answer key is free to view, download, and print, with no account required to access any individual module.

Do I need an account?

No account is needed to view or print a worksheet. A free teacher account adds extras like assigning modules to a class and tracking progress automatically — it takes under three minutes to set up and doesn't need a credit card.

What year level is this for?

This curriculum is aligned to the Australian Curriculum (ACARA) and Victorian Curriculum, spanning roughly Years 3 to 10 — from first sequencing and variables through to object-oriented programming and advanced data structures. Start wherever matches your class's current level; each module builds on the last.

Can I print them?

Yes — every module has a one-click Print Worksheet button that generates a printable page with the practice questions and a full answer key.

Is this aligned to a curriculum?

Yes — the module sequence is mapped to the Australian Curriculum (ACARA) and Victorian Curriculum, and a class's progress is reported back against those curriculum bands (e.g. ACARA Years 5–6 sequencing and iteration, Years 7–8 functions and data structures), not just a generic difficulty scale.

Can students use this without a teacher?

Yes — students can start any module and practice directly, no class or account required. Joining a teacher's class with a class code adds progress tracking, class badges, and live Sprints, but isn't needed to work through the worksheets or modules solo.

Do I need to know IGCSE Computer Science Paper 1 myself to teach this?

No — every module comes with a full worked answer key, and Cloodit tracks who's stuck automatically, so you don't need to solve each exercise yourself before assigning it or be able to debug a student's work line by line.

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