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3 marksModular Programming and Data Structures

CAPE Computer Science Unit 1 · 2012 · Paper 2 · Question 6(b)(iv)

A grocery application requires storing product records containing an integer ID, integer quantity in stock, and floating-point price.

Assuming two productRec structs, item3 and item4, are already loaded with data, write C code to exchange their values.

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Other parts of this question

  1. 6(a)Explain THREE ways in which good programming style can be maintained.[6 marks]
  2. 6(b)(i)Write a declaration for a C struct productRec that can store the record for each product.[2 marks]
  3. 6(b)(ii)Declare TWO variables, item1 and item2, that have the record structure declared in (b)(i).[1 mark]
  4. 6(b)(iii)Write C code to put data in the item1 struct declared in (b)(ii) using any values.[2 marks]
  5. 6(c)Write C code to read a 7-character uppercase string into a character array, print each vowel present in the string (or 'NO VOWELS' if none are present), and…[11 marks]

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