Data & Binary is a core area of KS3 Computing in the national curriculum. It covers essential concepts that build the foundation for GCSE study and beyond.
This topic includes subtopics such as Binary, Hexadecimal, Data representation. Each area is tested with multiple-choice questions that include detailed explanations to deepen your understanding.
Quick Reference
| 1 byte | 8 bits |
| 1 kilobyte (KB) | 1,024 bytes |
| 1 megabyte (MB) | 1,024 KB |
| Binary 1010 | = 8 + 2 = 10 in decimal |
Key Definitions
What You'll Cover
Test Yourself — Data & Binary
Try 3 quick questions. No account needed.
Quick Quiz
Memory Tricks & Mnemonics
"8 bits = 1 byte" — "Bit = small, Byte = big(ger)"
Remember the relationship between bits and bytes.
Binary place values: 128, 64, 32, 16, 8, 4, 2, 1
Convert binary to decimal by adding the place values where there's a 1.
Frequently Asked Questions
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