Computer Science · Topic revision workspace
Read the notes, score 80% and know 75% of the cards.
Topic overview
Programming combines sequence, selection, iteration, data types, variables, operators, subroutines, arrays, validation and testing.
Exam tip
Use indentation and meaningful identifiers. Test normal, boundary and invalid inputs rather than repeating the same kind of case.
Revision notes
Secure these ideas first. Say each definition in your own words, then connect it to the topic overview.
Revision notes
The exam will rarely ask for an isolated definition. Practise selecting the right idea and using it as part of a complete explanation or method.
Core knowledge
Instructions executed one after another in order.
Choosing which instructions execute based on a condition.
Repeating instructions using a count or condition.
A named reusable block of code that performs a task.
Checking that input is sensible and follows defined rules.
A test using values at and immediately around the limit of valid input.
Active recall
Content reviewed 23 July 2026 against the current linked specification.
Mark the notes complete, then test what you can recall.