Question 1

What is the primary purpose of a variable in programming?

Accepted Answer

Variables are containers for storing data values that programs use and manipulate during execution.

Question 2

In programming, what is a function primarily used for?

Accepted Answer

Functions are reusable blocks of code designed to perform specific tasks and improve code organization and efficiency.

Question 3

What does a loop in programming allow you to do?

Accepted Answer

Loops enable repeated execution of code blocks based on specified conditions, reducing redundancy.

Question 4

Which of the following is a correct example of declaring a variable in most programming languages?

Accepted Answer

The syntax 'int age = 25;' correctly declares an integer variable with proper data type and initialization.

Question 5

Which of the following is NOT a basic data type in programming?

Accepted Answer

Filename is not a basic data type; integer, float, and boolean are fundamental data types in programming.

Question 6

What is the difference between '=' and '==' operators in programming?

Accepted Answer

The '=' operator assigns a value to a variable, while '==' operator compares two values for equality.

Question 7

In programming, what does a 'loop' statement do?

Accepted Answer

Loops (for, while, do-while) execute a code block repeatedly based on a specified condition.

Question 8

What is the primary purpose of a variable in a programming language?

Accepted Answer

A variable is a named memory location that holds data which can be modified during program execution.

Question 9

Which of the following best describes the purpose of 'comments' in programming code?

Accepted Answer

Comments are non-executable text used to document code and explain its functionality to other programmers.

Question 10

What is an 'array' in programming?

Accepted Answer

An array is a data structure that stores multiple values of the same type in indexed positions.

Question 11

In programming, what is the correct syntax to declare an integer variable named 'count' with initial value 0?

Accepted Answer

The correct syntax follows the pattern: data_type variable_name = value; with the data type first.

Question 12

What is the function of a 'function' or 'subroutine' in programming?

Accepted Answer

Functions are modular blocks of code designed to perform specific tasks and improve code reusability.

Question 13

Which of the following is a correct example of a conditional statement in programming?

Accepted Answer

An if statement checks a condition and executes code only if the condition is true.

Question 14

A programmer needs to store the data type of a student's roll number in a program. Which data type should be used?

Accepted Answer

Roll numbers are numeric identifiers without decimal values, making the Integer data type the most appropriate and efficient choice.

Question 15

In programming, which of the following is the correct sequence of steps in the program development life cycle (PDLC)?

Accepted Answer

The correct PDLC sequence begins with understanding the problem, then designing the solution algorithm, followed by writing code, testing it, and finally documenting the process.

NDA Programming Basics

Programming Basics — Practice Questions