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A-LevelComputer ScienceAlgorithmsMay/June 2021Paper 3 Q88 Marks

The given algorithm is a simple bubble sort that arranges a set of scores stored in a one-dimensional array into descending order, and orders the corresponding students' names stored into a two-dimensional array in the same order as the scores. All the arrays are indexed from 1. The contents of both arrays after sorting are shown. Score 1 98 2 97 ... 248 5 249 3 Name 1 Smithfield Tom 2 Johnson Jane ... 248 Peters Jade 249 Allen John YearSize ← 249 Flag ← TRUE WHILE Flag = TRUE Flag ← FALSE FOR Student ← 1 TO YearSize - 1 IF Score [Student] < Score [Student + 1) THEN Temp1 ← Score[Student] Temp2 ← Name [Student,1] Temp3 ← Name [Student,2] Score [Student] ← Score [Student + 1] Name [Student,1] ← Name [Student + 1,1] Name [Student,2] ← Name [Student + 1,2] Score [Student + 1] ← Temp1 Name [Student + 1,1] ← Temp2 Name [Student + 1,2] ← Temp3 Flag ← TRUE ENDIF NEXT Student ENDWHILE

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The correct answer is . This question tests the candidate's understanding of algorithms within the Computer Sciencesyllabus. The examiner's mark scheme requires...

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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

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About This A-Level Computer Science Question

This structured question appeared in the Cambridge A-Level Computer Science (9618) May/June 2021 examination, Paper 3 Variant 1. It tests the topic of Algorithms and is worth 8 marks.

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