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CORK INSTITUTE OF TECHNOLOGY
INSTITIÚID TEICNEOLAÍOCHTA CHORCAÍ
Semester 1 Examinations 2012/
Module Title: C Programming
Module Code: SOFT
School: Science & Informatics
Programme Title: BSc (Hons) Software Development and Computer Networking - Year 3
Programme Code: KDNET_8_Y
External Examiner(s): Ms Erica Gill Internal Examiner(s): Ms G MacSweeney
Instructions: Answer Question 1 and TWO other questions
Duration: 2 Hours
Sitting: Winter 2012
Requirements for this examination:
Note to Candidates: the correct examination paper. Please check the Programme Title and the Module Title to ensure that you have received If in doubt please contact an Invigilator.
Question 1 Linked Lists (Compulsory)
(i) Set up a node to hold a flight record of information and a link pointer.
The flight information should include
a flight id, departure airport, destination airport and the total number of seats, the seats
sold, the number of seats sold.
Define the total number of seats as a constant. 4
(ii) Write the main code and functions to
Set up details of flights are read from the file “Flights.dat”
each flight has its own unique flight id.
The flights position is searched against the linked list.
When the flight is found, it is added to the correct position in the list.
(iii) Write a function and the main to book a flight for a customer. Use the search function
provided in (ii)
Locate the flight in the list
Enter the required number of seats
Check the number of seats sold to date against the total
Find the number of required seats by the customer
Decide whether flights can be booked or not and book the flight
(iv) Write all the code to do the following and show how it is used in the main.
A flight is no longer in use.
Find the node to be deleted using the search function in (ii).
Delete this flight from the Flight linked List
Display the contents before and after deletion. State that the record is deleted.
Question 1 40 marks
Question 3 Structs and Arrays
Section A (i) Explain the difference between a static array and a dynamic array 2 (ii) Write two small program using (a) dynamic arrays and (b) static arrays to enter decimal numbers. 6 Point out the main differences between both programs with the respective the arrays (a) and (b) Section A => 8 marks
Section B
Write the following as a program using functions as much as possible
Set up a structure of Accounts including the account number, the customer name, the address , the date the account was opened and the balance. 7
Using files, read in the customers accounts to date into a dynamic account array 6 Deposit/ Withdrawal actions: Search for a customer account by entering the account number In the array- the customer account is either present or not. If present make either a deposit / withdrawal. For a withdrawal, ensure there is enough for a balance. Inform the customer otherwise. 9
Section B => 22 marks Question 3 => 30 marks
Question 4 Pointers
Section A (i) What must you do to assign a pointer to a memory address of a variable 2 (ii) How do you access a pointer to each member of a struct 2 (iii) Assuming the variables int y =0 and int *yPtr = &y Which of the following statements set y to 1 (1) yptr++; (2) (y ) ++; (3) y++; (4) (ptr ) ++; 4 (iv) How do you assign a pointer to the first element of an array 2 (v) How many bytes does a pointer move in going to the next position for an array of floats. 2 Section A => 12 marks Section B (i) Create a structure of type student which contains name, age and course. 2 (ii) Write a function to enter details of student as given in (i). Also include how call this function from the main 6
Section B => 8 marks Section C Write a function to swap values using pointer functions Also write the main code for the function Section C =>10marks
Question 4 30 marks in total
