Chapter Exam

Chapter 16: JavaScript Functions — Online MCQ Test

Q: Which keyword is used to define a function in JavaScript?

Answer: B. function — The keyword function is used to declare a function in JavaScript.

Q: Which statement correctly calls the function named display()?

Answer: C. display(); — A function is called by writing its name followed by parentheses, such as display();

Q: Which of the following is NOT a function in JavaScript?

Answer: D. console page() — console page() is not a valid JavaScript built-in function. The others are standard built-in functions.

COMPUTER APPLICATIONS · CLASS 11th · Tamil Nadu State Board

Practice Chapter 16: JavaScript Functions with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 11th COMPUTER APPLICATIONS. This chapter covers: This chapter covers function definitions parameter passing return values and built-in JavaScript functions. Students write modular reusable code blocks and handle event-driven scri.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 16: JavaScript Functions — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 11th COMPUTER APPLICATIONS — Chapter 16: JavaScript Functions, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is a JavaScript function?

A. A block of code designed to perform a particular task ✓
B. A variable used to store text
C. A loop that repeats statements
D. A style rule for web pages

Answer: A. A block of code designed to perform a particular task
A function is a reusable block of code that performs a specific task whenever it is called.

Which keyword is used to define a function in JavaScript?

A. define
B. function ✓
C. method
D. call

Answer: B. function
The keyword function is used to declare a function in JavaScript.

Which statement correctly calls the function named display()?

A. display;
B. call display();
C. display(); ✓
D. function display();

Answer: C. display();
A function is called by writing its name followed by parentheses, such as display();

Which of the following is NOT a function in JavaScript?

A. alert()
B. confirm()
C. parseFloat()
D. console page() ✓

Answer: D. console page()
console page() is not a valid JavaScript built-in function. The others are standard built-in functions.

Which is the best reason to use a function in an event-driven JavaScript program?

A. To make the browser slower
B. To run the same code repeatedly when an event occurs ✓
C. To prevent all user interactions
D. To replace HTML tags

Answer: B. To run the same code repeatedly when an event occurs
In event-driven programming, functions are used as handlers so that the same task runs whenever an event happens.