Study resource
Number bases common mistakes
Study Number bases with curriculum-aligned Common Mistakes resources, practice links, and exam-focused support.
At a glance
common mistakes
Resource type
Topic
Number bases
AqaA LevelComputer ScienceFundamentals of data representation
Common mistakes
Using the wrong number of binary bits for a hexadecimal digit
Treating one hexadecimal digit as two or eight binary digits, or converting the hexadecimal value as though A to F were decimal digits.
Fix itUse exactly four binary digits for every hexadecimal digit and remember that A to F represent decimal values 10 to 15.
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