AQA A-Level Computer Science exam tips
Number bases exam tips
Study Number bases with curriculum-aligned Exam Tips resources, practice links, and exam-focused support.
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exam tips
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Topic
Number bases
AqaA LevelComputer ScienceFundamentals of data representation
Exam tips
Label the base clearly
Write the base as a subscript whenever you give or use a number, such as 1011₂, 11₁₀ or B₁₆.
The same sequence of symbols can represent different values in different bases, so the subscript makes the meaning unambiguous.
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