Lesson 1 introduction

Section A — MCQs (1 mark each)

1. Which header file is used for input and output in C++?

#include <stdio.h>

#include <iostream>

#include <math>

#include <string.h>

2. Which operator is used for scope resolution in C++?

3. What is the correct way to declare an integer variable?

integer a;

int a;

num a;

a int;

4. Which loop is guaranteed to execute at least once?

for

while

do-while

D) Nested loop

5. What will this output?

&lt;span class=&quot;ͼ11&quot;&gt;int&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;x&lt;/span&gt; = &lt;span class=&quot;ͼy&quot;&gt;5&lt;/span&gt;;

&lt;span class=&quot;ͼ11&quot;&gt;cout&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;&lt;&lt;&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;x&lt;/span&gt;&lt;span class=&quot;ͼv&quot;&gt;++&lt;/span&gt;;

A) 4
B) 5
C) 6
D) Error

Section B — Short Answer Questions (2–3 marks each)

6. Differentiate between

while

loop and

do-while

loop.

7. What is the use of

break

and

continue

statements?

8. Explain function overloading with an example.

9. What is an array in C++?

10. What is the difference between compiler and interpreter?

Section C — Output Based Questions

11. Find the output:

&lt;span class=&quot;ͼu&quot;&gt;#include&lt;/span&gt;&lt;span class=&quot;ͼz&quot;&gt;&lt;iostream&gt;&lt;/span&gt;

&lt;span class=&quot;ͼv&quot;&gt;using&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;namespace&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;std&lt;/span&gt;;

&lt;span class=&quot;ͼ11&quot;&gt;int&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;main&lt;/span&gt;() {

    &lt;span class=&quot;ͼ11&quot;&gt;int&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;a&lt;/span&gt; = &lt;span class=&quot;ͼy&quot;&gt;10&lt;/span&gt;;

    &lt;span class=&quot;ͼ11&quot;&gt;int&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;b&lt;/span&gt; = &lt;span class=&quot;ͼy&quot;&gt;5&lt;/span&gt;;

    &lt;span class=&quot;ͼ11&quot;&gt;cout&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;&lt;&lt;&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;a&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;+&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;b&lt;/span&gt;;

    &lt;span class=&quot;ͼv&quot;&gt;return&lt;/span&gt; &lt;span class=&quot;ͼy&quot;&gt;0&lt;/span&gt;;

}

12. Find the output:

&lt;span class=&quot;ͼu&quot;&gt;#include&lt;/span&gt;&lt;span class=&quot;ͼz&quot;&gt;&lt;iostream&gt;&lt;/span&gt;

&lt;span class=&quot;ͼv&quot;&gt;using&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;namespace&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;std&lt;/span&gt;;

&lt;span class=&quot;ͼ11&quot;&gt;int&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;main&lt;/span&gt;() {

    &lt;span class=&quot;ͼv&quot;&gt;for&lt;/span&gt;(&lt;span class=&quot;ͼ11&quot;&gt;int&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;i&lt;/span&gt; = &lt;span class=&quot;ͼy&quot;&gt;1&lt;/span&gt;; &lt;span class=&quot;ͼ11&quot;&gt;i&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;&lt;=&lt;/span&gt; &lt;span class=&quot;ͼy&quot;&gt;3&lt;/span&gt;; &lt;span class=&quot;ͼ11&quot;&gt;i&lt;/span&gt;&lt;span class=&quot;ͼv&quot;&gt;++&lt;/span&gt;) {

        &lt;span class=&quot;ͼ11&quot;&gt;cout&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;&lt;&lt;&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;i&lt;/span&gt;;

    }

    &lt;span class=&quot;ͼv&quot;&gt;return&lt;/span&gt; &lt;span class=&quot;ͼy&quot;&gt;0&lt;/span&gt;;

}

13. Find the output:

&lt;span class=&quot;ͼu&quot;&gt;#include&lt;/span&gt;&lt;span class=&quot;ͼz&quot;&gt;&lt;iostream&gt;&lt;/span&gt;

&lt;span class=&quot;ͼv&quot;&gt;using&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;namespace&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;std&lt;/span&gt;;

&lt;span class=&quot;ͼ11&quot;&gt;int&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;main&lt;/span&gt;() {

    &lt;span class=&quot;ͼ11&quot;&gt;int&lt;/span&gt; &lt;span class=&quot;ͼ11&quot;&gt;x&lt;/span&gt; = &lt;span class=&quot;ͼy&quot;&gt;4&lt;/span&gt;;

    &lt;span class=&quot;ͼv&quot;&gt;if&lt;/span&gt;(&lt;span class=&quot;ͼ11&quot;&gt;x&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;%&lt;/span&gt; &lt;span class=&quot;ͼy&quot;&gt;2&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;==&lt;/span&gt; &lt;span class=&quot;ͼy&quot;&gt;0&lt;/span&gt;)

        &lt;span class=&quot;ͼ11&quot;&gt;cout&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;&lt;&lt;&lt;/span&gt; &lt;span class=&quot;ͼz&quot;&gt;&quot;Even&quot;&lt;/span&gt;;

    &lt;span class=&quot;ͼv&quot;&gt;else&lt;/span&gt;

        &lt;span class=&quot;ͼ11&quot;&gt;cout&lt;/span&gt; &lt;span class=&quot;ͼv&quot;&gt;&lt;&lt;&lt;/span&gt; &lt;span class=&quot;ͼz&quot;&gt;&quot;Odd&quot;&lt;/span&gt;;

    &lt;span class=&quot;ͼv&quot;&gt;return&lt;/span&gt; &lt;span class=&quot;ͼy&quot;&gt;0&lt;/span&gt;;

}

Section D — Programming Questions

14. Write a C++ program to check whether a number is prime or not.

15. Write a C++ program to find factorial of a number using loop.

16. Write a C++ program to print Fibonacci series up to

n

terms.

17. Write a program to swap two numbers using:

Temporary variable
Without temporary variable

Section E — Long Questions

18. Explain Object Oriented Programming (OOP) concepts in C++.

Include:

Class
Object
Inheritance
Polymorphism
Encapsulation
Abstraction

19. Write a C++ program using class and object to calculate area of rectangle.

20. Explain constructors and destructors with syntax and examples.

No comments yet! You be the first to comment.

GET HELP

BOOTCAMPS

CONTACT US

Follow Us On

Sample Course 1

Curriculum