O-LevelComputer ScienceAlgorithm design and problem-solving2210/22 · May/June 2021 · Q36 Marks
3 (a) Draw the most appropriate flowchart symbol for each pseudocode statement.
- (a)Draw the most appropriate flowchart symbol for each pseudocode statement. Pseudocode statement IF Number = 20 PRINT Number Number ← Number + 1[3]
- (b)State the type of each pseudocode statement. For example, X ← X + Y is totalling. IF Number = 20 PRINT Number Number ← Number + 1[3]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2021). The mark or mark type is shown in brackets.
- [1] Pseudocode statement IF Number = 20 Flowchart symbol: Diamond (for decision)
- [1] Pseudocode statement PRINT Number Flowchart symbol: Parallelogram (for input/output)
- [1] Pseudocode statement Number ← Number + 1 Flowchart symbol: Rectangle (for process)
- [1] IF Number = 20 selection
- [1] PRINT Number output
- [1] Number ← Number + 1 counting
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