Character Encoding

§3.3.5Foundation and Higher tierAQA GCSE Computer Science (8525)

Character Encoding is one of 8 subtopics in Data Representation, part of AQA GCSE Computer Science (specification §3.3.5). Examiners can ask about 3 named concepts here, from Character Sets to Why Unicode Over ASCII?. Inside the app, this subtopic can be practised directly: exam-format questions, AI-marked against the official mark scheme.

Concepts you need to know

The named concepts the 8525 specification examines in this subtopic. The full what-to-know, how-to-get-top-marks and examiner-expectations breakdown for each lives inside the app.

Character SetsASCII and UnicodeWhy Unicode Over ASCII?

Other subtopics in Data Representation

Number Bases Converting Between Number Bases Units of Information Binary Arithmetic Representing Images Representing Sound Data Compression

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