IGCSE Computer Science - Unit 1 (Data Representation) Q&A )

Master all the essential Data Representation questions for Cambridge IGCSE / O Level Computer Science in one powerful pack.

This digital resource contains carefully selected, exam-style questions covering every key point from Unit 1: Data Representation for syllabuses 0478, 2210, and 0984.

It is ideal for last-minute revision, classroom use, homework, or self-study throughout the course.

Topics covered include

• Binary, denary, and hexadecimal number systems
• Conversions between denary, binary, and hexadecimal
• Binary addition and overflow
• Use of hexadecimal in computing (e.g., colours, error codes, memory)
• Data storage units (bit, nibble, byte, kilobyte, etc.) and file size calculations
• Representation of text, images and sound (including character sets such as ASCII and Unicode)

Features:

• “All important” questions from the whole Data Representation unit in one place
• Clear, student-friendly wording matched to Cambridge IGCSE / O Level style
• Suitable for 2023–2028- 0478 / 0984 syllabuses and the current 2210 O Level specification
• Perfect for teachers preparing worksheets, tests and exam practice, and for students aiming for top grades
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If you want a focused question bank that saves planning time and helps learners gain confidence in Data Representation, this resource is for you.