Trace table revision pack for OCR J277 GCSE Computer Science. 8 progressive questions: counter loops, conditional accumulators, WHILE loops, swap algorithms, linear search, two-counter problems, nested loops and a partial bubble sort pass. Every question maps to specific spec points (1.2.3, 2.1.1, 2.1.3) and uses OCR Exam Reference Language pseudocode.
What is included:
- 8 trace table questions with answer space
- Full mark scheme with completed trace tables and OCR-style mark allocations
- A rules page covering inclusive vs exclusive loops, zero-based array indexing, and how to record IF/WHILE conditions in a trace
- Common student mistakes feedback prompts for teachers
- Spec references on every page
- 13 pages, A4 portrait, grayscale-safe, printable without colour ink
Total marks: 53. Suggested timing: 50 minutes under exam conditions, or use as 6 starters across two weeks before the paper.
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