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Cambridge IGCSE Computer Science practice

Paper 2 structured question: Arrays

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Arrays

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Paper 2Algorithms, Programming and Logic2 marks

Understanding 2D arrays.

Description

Matrix Representation

Consider the following 2D array: [[1, 2, 3], [4, 5, 6], [7, 8, 9]].

  1. a

    Explain how to access the element in the second row and first column of the array.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 2 structured question: Arrays

Paper 2Algorithms, Programming and Logic1 marks

Description

Array Manipulation

Consider the following 1D array: [5, 10, 15, 20, 25].

  1. a

    State the value of the third element in the array.

    Aim for approximately 1 distinct marking point.

    [1]