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A-LevelComputer ScienceProgramming FundamentalsMay/June 2024Paper 2 Q58 Marks

A global 1D array of strings contains three elements which are assigned values as shown: Data[1] ← "aaaaaa" Data[2] ← "bbbbbb" Data[3] ← "cccccc" Procedure Process() manipulates the values in the array. The procedure is written in pseudocode as follows: PROCEDURE Process (Format : STRING) DECLARE Count, Index, L : INTEGER DECLARE Result : STRING DECLARE C : CHAR Result ← "****" FOR Count ← 1 TO LENGTH(Format) STEP 2 C ← MID(Format, Count, 1) L ← STR_TO_NUM(MID(Format, Count + 1, 1)) Index ← (Count + 1) DIV 2 CASE OF C 'X' : Result ← TO_UPPER(Data[Index]) 'Y' : Result ← TO_LOWER(Data[Index]) 'Z' : Result ← "**" & Data[Index] ENDCASE Data[Index] ← LEFT(Result, L) NEXT Count ENDPROCEDURE

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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 2024 examination, Paper 2 Variant 1. It tests the topic of Programming Fundamentals and is worth 8 marks.

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