List of top Web Applications Questions asked in CBSE Class XII

Zooni has just joined a new school and she wants to make new friends. She loves to share her photos and videos on social media. One day, she started getting messages from a stranger that made her uncomfortable. That person was also aware of her entire routine --- where she was going and what she was doing. Zooni felt that the stranger was always watching her as she was receiving hundreds of such messages.
What type of cybercrime is being referred to in this situation? Which law governs such crimes in India?
Write a JavaScript program that uses Math.random() to generate three random numbers greater than 10 and less than 100. The program should also display the sum of the numbers, the largest number, and the smallest number.
Note: Use built-in JavaScript functions wherever needed.
Murugan has gained access to the network of an organization with the authorization of its owner. He has been asked to identify and fix vulnerabilities before people with malicious intentions can exploit them. Which type of hacking is being described in this situation? Will it be considered as a cybercrime?
Describe the role of the AI-powered feature “Magic Edit” in Canva.
Describe Mosaic plagiarism. Also, name any two websites/tools that provide plagiarism checking services.
Describe Paraphrasing plagiarism.
Explain the difference between splitting and cutting a video in Canva.
Predict the output of the following JavaScript code:
var colors = ['Red', 'Blue', 'Green'];
document.write(colors.pop() + "
");
document.write(colors.push('Yellow') + "
");
document.write(colors.join('& amp;') + "
");
document.write(colors.slice(1, 3));
Write the steps to share a design through email-id in Canva.
Describe the role of the AI-powered feature “Magic Animate” in Canva.
Describe Direct plagiarism.
Define multi-user operating system. Give any two examples of multi-user operating system.
What is the key difference between the JavaScript string methods replace() and replaceAll()? Support your answer with an example.
Explain the purpose of the onload event handler in JavaScript.
What is data security? Mention any two security measures that can be used to ensure data security in an organization.
List and explain any three social media etiquettes that individuals should follow to protect their safety and privacy online.
Describe the role of the AI-powered feature “Magic Media” in Canva.
What are JavaScript event handlers? Explain the purpose of onmouseover.
Define the following terms in the context of spreadsheet:
(a) Worksheet
(b) Workbook
Explain the purpose of the following JavaScript array methods:
(a) concat()
(b) reverse()
Explain the meaning of personality. Also, describe the extraversion parameter of personality according to the Five Factor Model.
Explain the following functions of an operating system:
(a) Memory Management
(b) File Management
What is the role of the return keyword inside a JavaScript function ? Explain with an example.
Explain what organic farming is, and state one of its advantages.
Explain the following behavioural and entrepreneurial competencies:
(a) Decisiveness
(b) Perseverance