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2 marksProgram Checks and Tests

CSEC Information Technology · May/June 2013 · Paper 2 · Question 10(a)(iv)

Consider the provided Pascal program: 1 Program lesser; 2 Var X, Y: integer; 3 4 Begin 5 6 readln(X, Y); 7 If X < Y 8 Then Writeln ('X is the smaller number') 9 Else Writeln ('Y is the smaller number'); 10 End.

State the line number in which the error exists and rewrite the program code that would correct the error.

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Other parts of this question

  1. 10(a)(i)State the output from the program when 4 is input for both X and Y.[2 marks]
  2. 10(a)(ii)State the line number that produced the output statement in (a)(i) above.[1 mark]
  3. 10(a)(iii)The output suggests an error exists. State the name of the type of error.[1 mark]
  4. 10(a)(v)State the type of structure that is used in lines 7 to 9.[1 mark]
  5. 10(b)(i)Write a statement to initialize the variable X to zero.[2 marks]
  6. 10(b)(ii)State the line number in which the statement in (b)(i) above could be appropriately inserted.[1 mark]

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