COSC 1436: Programming Fundamentals - Final Exam Prep with 200 MCQs & Answers (2023/2024)

The answers are in bold. Good luck in your exam.

COSC 1436 Programming Fundamentals - Final Exam Review Questions & Answers

1. What is the output of the following C++ code snippet?

C++

int x = 5;

int y = 10;

cout << "The sum is: " << x + y << endl;

 a) The sum is: 510

 b) The sum is: 15

 c) The sum is: x + y

 d) Error

2. Which of the following is NOT a valid C++ data type?

 a) int

 b) double

 c) char

 d) string (Note: string is part of the standard library, not a built-in data type)

3. What is the purpose of the #include <iostream> preprocessor directive?

 a) To define constants

 b) To provide access to input/output stream objects like cout and cin

 c) To declare variables

 d) To create functions

4. Which loop is most suitable when you know the exact number of iterations in advance?

 a) while loop

 b) do-while loop

 c) for loop

,  d) switch statement

5. What is the value of x after the following code executes?

C++

int x = 10;

x += 5;

 a) 5

 b) 10

 c) 15

 d) 50

6. Which of the following is used to get a single character from the user?

 a) cin >>

 b) getline()

 c) cin.get()

 d) cin.ignore()

7. What is the purpose of the if statement in C++?

 a) To repeat a block of code a certain number of times

 b) To execute a block of code only if a certain condition is true

 c) To define a function

 d) To declare a variable

8. Which of the following is an example of a logical operator in C++?

 a) +

 b) -

 c) *

 d) && (AND operator)

9. What is the difference between = and == in C++?

,  a) They are the same.

 b) = is used for comparison, == is used for assignment

 c) = is used for assignment, == is used for comparison

 d) None of the above

10. What will be the output of the following C++ code?

C++

int num = 10;

if (num > 5) {

cout << "Greater than 5" << endl;

} else {

cout << "Less than or equal to 5" << endl;

}

 a) Less than or equal to 5

 b) Greater than 5

 c) No output

 d) Error

11. Which of the following is a valid way to declare and initialize an array in C++?

 a) int myArray[];

 b) int myArray[5] = {1, 2, 3, 4, 5};

 c) int myArray = {1, 2, 3};

 d) int myArray[3] = {1, 2, 3, 4};

12. What is the index of the first element in a C++ array?

 a) 1

 b) 0

 c) -1

,  d) It depends on the array size

13. Which of the following is used to pass an array to a function in C++?

 a) The array name

 b) The array size

 c) Both the array name and size

 d) None of the above

14. What is the output of the following C++ code snippet?

C++

int numbers[3] = {5, 10, 15};

cout << numbers[1];

 a) 5

 b) 10

 c) 15

 d) Error

15. Which of the following sorting algorithms has the best average-case time complexity?

 a) Bubble sort

 b) Insertion sort

 c) Merge sort

 d) Selection sort

16. What is the output of the following C++ code?

C++

int a = 5;

int b = 3;

int c = a / b;

cout << c;