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Modern Application Development II · End Term · 21 Dec 2025 · September 2025 term

Question 29: Consider the following Vue.js application with two diffe…

Question 29

+4 marksOne correct option

Consider the following Vue.js application with two different route scenarios and a component that uses reactive data binding:
Scenario: An e-commerce application where:
• Product list component displays products filtered by category
• Category changes through router parameters: /products/:category
• When a user navigates from /products/electronics to /products/books, the product list should update

Based on the above data, answer the given subquestions.

When the user navigates from /products/electronics to /products/books, what will happen and why?

  1. A

    The computed property will not update because it's being used in a watch handler

  2. B

    The computed property will automatically re-evaluate because the route parameter dependency changed

  3. C

    The displayedProducts variable will update, but the computed property will display stale data

  4. D

    Both the computed property and displayedProducts will update to show books

Show answer

Correct answer

  • B

    The computed property will automatically re-evaluate because the route parameter dependency changed

See the whole paperTake it as a mock test

Question 29 of 29 in the IIT Madras BS Modern Application Development II (MAD 2) End Term paper sat on 21 Dec 2025, in the September 2025 term (Modern Application Development Ii 18 Dec 25). It carries 4 marks.

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