‹ GCSE Computer Science
Programming in exam style
Data types, operators, selection, loops, arrays, strings, subroutines, robust programs, SQL and files, read and traced the way exam papers ask.
Start: Data types and operators About 20 min, free
Lessons
Practise and test
By the end you can
Choose data types and use MOD, DIV and Boolean operators Trace selection and loops, and complete trace tables Use arrays, 2D arrays and string handling Explain subroutines, parameters and scope Plan test data and validation Read SQL SELECT queries Revision notes
Specifications AQA 8525 3.2.1 to 3.2.11, 3.7.1OCR J277 2.2.1 to 2.2.3, 2.3.1, 2.3.2Pearson Edexcel 1CP2 Topic 6 (and Topic 1 for trace tables)
Next unit: Writing code Previous unit: Algorithms
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