Download Statistical Analysis - Software Development - Old Exam and more Exams Software Development Methodologies in PDF only on Docsity!
Cork Institute of Technology
Higher Certificate in Computing in Information
Technology Support – Award
(NFQ – Level 6)
Autumn 2006
Software Development
(Time: 2 ½ Hours)
Instructions: Examiner: Ms Gemma O’Callaghan Answer questions 1 and any two others. Mr. J. Greenslade Question 1 is compulsory. Mr. J. Walsh
Question 1: (50 marks) (a) What is the output from the following program? #include using namespace std;
int procedure(double &num1, int repetition);
int main() { double x, y; int z;
x = 6.0; z = 3;
cout<<" procedure: "<< procedure (x,z)<<endl; cout<<"x :"<<x<<endl; y = 7.0; cout<<" procedure again: "<< procedure (y,4)<<endl; cout<<"y: "<<y<<endl;
return 0; }
int procedure(double &num1, int repetition) { int count = 0; do { num1= num1+1.1;
repetition --; count++; }while(repetition > 0);
return count; } (6 marks)
(b) Create a class called LoanAccount. Use a static class variable to hold the annualInterestRate for all account holders. Each object of the class contains the following data members, an account number and a loan balance which indicates the total amount that is currently owed on the loan account. Provide a method calculateMonthlyInterest() which will calculate the monthly interest by multiplying the loan balance by the annualInterestRate divided by 12.Provide a constructor method that allows an object of this class to be initialised when it is declared. (10 marks)
(c) Write a statement to declare a file pointer called input. Write a statement to open the file “Assignment.txt” that is associated with the file pointer for reading. Write a statement to close the file pointer when you are finished with it. (6 marks)
(d) Write C++ code to read from the file “Assignment.txt” that you opened above and count the number of punctuation characters in the file. (e.g. full stop, comma, question mark, exclamation mark and semicolon)
(6 marks)
(e) Write the C++ code to display the following pattern.
**
(6 marks)
(f) Write a C++ function that takes an integer value and returns the number with its digits reversed. For example, given the number 5689, the function should return 9865. (6 marks)
(g) Write a structure template for an employee record consisting of their employee number, their first name, their surname, their department and their salary. Write statements to input values from the keyboard for each member of the employee record.
Question 4: (25 marks) (a) Explain the differences between arrays and linked lists. (4 marks)
(b) Show how to define the structures used to be able to create a linked list of characters. (5 marks)
(c) Write the C++ code needed to create a linked list of integers that is made up of three nodes. head -> 1 -> 2 -> 3 -> NULL (10 marks)
(d) Write a function to add an element to the front of a linked list of integers.
