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7 marksAbstract Data Types (ADTs)

CAPE Computer Science Unit 2 · 2011 · Paper 2 · Question 1(c)

Given the circular queue shown in the diagram, draw a diagram illustrating the queue after inserting letters L and Y, removing three letters, and then inserting letters E and Z.

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Other parts of this question

  1. 1(a)(i)Define the term 'Abstract Data Type' (ADT).[2 marks]
  2. 1(a)(ii)Explain how a stack ADT is implemented.[3 marks]
  3. 1(b)Write an algorithm to remove an element that is at the bottom of a stack, maintaining the relative positions of the remaining elements. (An appropriate…[8 marks]
  4. 1(d)Describe how an array of n items is sorted using a bubble sort algorithm.[5 marks]

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