O-LevelComputer ScienceAlgorithm design and problem-solving2210/22 · Oct/Nov 2016 · Q34 Marks
The flowchart below inputs an integer. The predefined function DIV gives the value of the division, for example z ← 11 DIV 3 gives the value Z = 3. The predefined function MOD gives the value of the remainder, for example z ← 11 MOD 3 gives the value Z = 2.
- Trace for input value 33Complete a trace table for each of the two input values 33 and 75. Trace table for input value 33 X A B OUTPUT [2]
- Trace for input value 75Trace table for input value 75 X A B OUTPUT [2]
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Mark scheme
Marking points from the official mark scheme (Oct/Nov 2016). The mark or mark type is shown in brackets.
- [4]
- Trace table for input value 33
- X: 33, 4
- A: 4
- B: 1
- OUTPUT: 1, 4
- (1 mark)
- (1 mark)
- Trace table for input value 75
- X: 75, 9, 1
- A: 9, 1
- B: 3, 1
- OUTPUT: 3, 1, 1
- (1 mark)
- (1 mark)
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