Karnataka 2nd PUC Computer Science Important Questions 2026 - Check Karnataka 2nd PUC Computer Science Questions Marks-wise

Karnataka 2nd PUC Computer Science Important Questions 2026 provided here will help in the final preparation. Once you complete the Karnataka 2nd PUC Computer Science Syllabus 2025-26 , you can start solving these questions to understand the pattern and difficulty level. Along with that, you can also note down the topics where you need to pay more attention. Through regular practice, you will also get an idea about the time required to solve the different types of questions, like MCQs, short and long answer type questions. To solve different types of Karnataka 2nd PUC Computer Science Important Questions of 1, 2, 3, and 5 marks, you can go through the article below.

Karnataka 2nd PUC Computer Science Important Questions 2026 for 1 Mark

Q1. Identify the reason for the error in the following program segment
class temp

{

private : int x;

};

void main( )

{

temp t;

cout<<”enter the value of X”;

cin>> t.x;

}

(a) A non member function trying to access protected data member

(b) Member function trying to access private data member

(c) A non member function trying to access public data member

(d) The main function trying to access private data member

Q2. A. The inline function is a compact function. A. Inline function runs faster than a normal function. B. Using inline functions, efficient code can be generated.

a) A is correct but B is wrong.
b) A is wrong but C is correct.
c) B is wrong and C is wrong.
d) All A, B, C are correct.

Q3. What is the use of the scope resolution operator (::)?

Q4. If a number of classes are derived from a single base class is called ______

1. Single inheritance
2. Multiple inheritance
3. Multilevel inheritance
4. Hierarchical inheritance

Q5. Assertion (A): Very efficient code can be generated using inline function.

Reason (R): Inline function has complex data structure.

(a) Both A and R are false

(b) A is true and R is false

(c) A is false and R is true

(d) Both A and R are true

Q6. Software whose source code is available to customers and it can be modified and redistributed without any limitation is ______

1. Open source software
2. Community software
3. Free software
4. Free ware

Also Check Karnataka 2nd PUC Computer Science Model Papers 2025-26

Karnataka 2nd PUC Computer Science Important Questions 2026 for 2 Marks

Q1. Define any two characteristics of object oriented programming.

Q2. Give any two differences between static and dynamic memory allocation.

Q3. Write the syntax and example for DROP command in SQL.

Q4. Write the purpose of MAX() and MIN() group functions in SQL.

Q5. Give any two differences between static and dynamic memory allocation.

Q6. Expand the terms SDRAM and DDRAM.

Karnataka 2nd PUC Computer Science Important Questions 2026 for 3 Marks

Q1. Write truth table and standard symbol for NOR gate.

Q2. What is web hosting? Mention any two web hosting methods.

Q3. What are applications of Stack Data Structure?

Q4. What is e-commerce? Mention any two technologies and services used in e-commerce?

Q5. Write HTML tags

i) To produce link from one web page to another web page
ii) To insert image in a web page
iii) To add background colour to webpage

Q6. Identify the type of e-commerce in the following cases

1. Buying of goods by the distributer from the manufacturer
2. Buying of goods from Amazon web site
3. Buying of used car from a owner

Karnataka 2nd PUC Computer Science Important Questions 2026 for 5 Marks

Q1. What is function overloading? Explain the need for function overloading.

Q2. Define default constructor. Write the features, syntax and example of default constructor.

Q3. Explain memory representation of two-dimensional array using row-major ordering.

Q4. Define a class named rectangle with following criteria

1) Data members : length, breadth

2) Member functions: input() and output()

3) Define member functions outside the class to input and output length and breadth of a rectangle

Q5. Write the SQL query for the following questions based on given employee table.

Empid	Name	Age	Salary
101	AAA	35	25000
102	BBB	28	18000
103	CCC	30	10000

1. Develop the table with above fields
2. Display the structure of the table
3. Find total number of employees
4. Find the sum of all employee’s salary
5. Display all employee records with age>=15

Q6. Mention DML commands in SQL. Explain any two commands.

You can also solve Karnataka 2nd PUC Computer Science Previous Year Question Papers while preparing for the final examination. Before going to appear for the exam, you should solve as many Karnataka 2nd PUC Computer Science Important Questions 2026 as possible. The variety of questions gives you a good idea of the difficulty level of questions. Accordingly, they can prepare the questions. With regular practice, you will develop a good understanding of questions and will be able to solve questions quickly in exams.