Visual Programming MCQs with Answers
Practice important Visual Programming MCQs with answers and explanations.
Multiple Choice Questions
Q671: How did JavaScript initially differ from Java, despite the similarity in names?
- A: JavaScript was originally named LiveScript and had no direct connection with Java
- B: JavaScript was a server-side language while Java was client-side
- C: JavaScript was designed for enterprise applications while Java was for web development
- D: JavaScript was used only for basic scripting while Java was for complex programming
View Answer
A
Q672: What does jQuery primarily aim to address in JavaScript programming?
- A: Complexity and browser incompatibilities
- B: Performance issues in JavaScript code
- C: Lack of support for animations and dynamic effects
- D: Security vulnerabilities in JavaScript
View Answer
A
Q673: In HTML, what is the purpose of the <!DOCTYPE html> declaration?
- A: To define the HTML version and ensure proper rendering of the document
- B: To link external CSS and JavaScript files
- C: To create a new HTML document with default settings
- D: To specify the character encoding used in the document
View Answer
A
Q674: What is the main role of CSS in web development?
- A: To control the presentation and styling of web pages
- B: To handle server-side processing and database interactions
- C: To manage user input and client-side interactions
- D: To define the structure and layout of web pages
View Answer
A
Q675: Which of the following is NOT a valid HTML5 tag?
- A:
- B:
- C:
- D:
View Answer
B
Q676: How do you include an external JavaScript file in an HTML document?
- A: Use the tag
- B: Use the tag
- C: Use the
tag - D: Use the tag
View Answer
A
Q677: What does the $(document).ready() function in jQuery do?
- A: It ensures that the JavaScript code runs only after the HTML document has been fully loaded and parsed
- B: It automatically handles errors in JavaScript code
- C: It initiates the download of external JavaScript files
- D: It optimizes the performance of JavaScript code
View Answer
A
Q678: How can you change the text color of all <h1> elements to red using CSS?
- A: h1 { color: red; }
- B: h1 { text-color: red; }
- C: h1 { font-color: red; }
- D: h1 { color: #ff0000; }
View Answer
A
Q679: What is the main advantage of using jQuery for handling events compared to plain JavaScript?
- A: jQuery simplifies event handling and ensures cross-browser compatibility
- B: jQuery provides better performance for event handling
- C: jQuery automatically updates the DOM elements
- D: jQuery eliminates the need for JavaScript event listeners
View Answer
A
Q680: What does the document.write() method do in JavaScript?
- A: It writes directly to the HTML document stream
- B: It outputs text to the browser console
- C: It displays a pop-up alert with the provided message
- D: It writes data to an external file
View Answer
A