Internet Basics MCQs Class 9
Internet Basics – MCQs with Answers & Explanations
Class: 9 | Subject: Computer Science
Section: Internet and Web Technologies
Topic: Internet Basics
Prepared as per CBSE Board Examination Pattern
Section: Internet and Web Technologies
Topic: Internet Basics
Prepared as per CBSE Board Examination Pattern
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 9 Computer Science examination preparation.
1. What is the Internet?
Answer: B. A worldwide network of interconnected computers
Explanation: The Internet is a global network that connects millions of computers worldwide, allowing them to share information and communicate.
Explanation: The Internet is a global network that connects millions of computers worldwide, allowing them to share information and communicate.
2. WWW stands for:
Answer: A. World Wide Web
Explanation: The World Wide Web is a service on the Internet that allows users to access websites and web pages using a browser.
Explanation: The World Wide Web is a service on the Internet that allows users to access websites and web pages using a browser.
3. Which device connects a computer to the Internet?
Answer: C. Modem
Explanation: A modem converts digital signals into analog signals and vice versa, enabling Internet connectivity.
Explanation: A modem converts digital signals into analog signals and vice versa, enabling Internet connectivity.
4. ISP stands for:
Answer: A. Internet Service Provider
Explanation: An ISP provides users access to the Internet, such as broadband or mobile data services.
Explanation: An ISP provides users access to the Internet, such as broadband or mobile data services.
5. Which software is used to access websites?
Answer: B. Web Browser
Explanation: A web browser like Chrome or Firefox is used to open and view web pages on the Internet.
Explanation: A web browser like Chrome or Firefox is used to open and view web pages on the Internet.
6. URL stands for:
Answer: A. Uniform Resource Locator
Explanation: URL is the address of a webpage that helps locate resources on the Internet.
Explanation: URL is the address of a webpage that helps locate resources on the Internet.
7. Email is mainly used for:
Answer: B. Sending electronic messages
Explanation: Email allows users to send and receive messages instantly over the Internet.
Explanation: Email allows users to send and receive messages instantly over the Internet.
8. HTTP stands for:
Answer: A. HyperText Transfer Protocol
Explanation: HTTP is the protocol used to transfer web pages from a server to a browser.
Explanation: HTTP is the protocol used to transfer web pages from a server to a browser.
9. A search engine is used to:
Answer: B. Search information on the Internet
Explanation: Search engines like Google help users find relevant information online.
Explanation: Search engines like Google help users find relevant information online.
10. Example of a web browser is:
Answer: B. Google Chrome
Explanation: Google Chrome is a web browser used to access and browse websites.
Explanation: Google Chrome is a web browser used to access and browse websites.
11. FTP is used for:
Answer: A. File Transfer
Explanation: FTP (File Transfer Protocol) is used to transfer files between computers over the Internet.
Explanation: FTP (File Transfer Protocol) is used to transfer files between computers over the Internet.
12. The brain of the Internet is:
Answer: B. Server
Explanation: Servers store and provide web pages and services requested by clients.
Explanation: Servers store and provide web pages and services requested by clients.
13. Which network covers a small geographical area?
Answer: A. LAN
Explanation: LAN (Local Area Network) connects computers within a limited area like a school or office.
Explanation: LAN (Local Area Network) connects computers within a limited area like a school or office.
14. Cyber safety means:
Answer: B. Safe use of Internet
Explanation: Cyber safety involves protecting personal information and using the Internet responsibly.
Explanation: Cyber safety involves protecting personal information and using the Internet responsibly.
15. Which is not an Internet service?
Answer: C. Bluetooth
Explanation: Bluetooth is a short-range wireless technology, not an Internet service.
Explanation: Bluetooth is a short-range wireless technology, not an Internet service.
16. E-commerce refers to:
Answer: A. Online shopping
Explanation: E-commerce means buying and selling goods/services over the Internet.
Explanation: E-commerce means buying and selling goods/services over the Internet.
17. The first page of a website is called:
Answer: B. Homepage
Explanation: The homepage is the main introductory page of a website.
Explanation: The homepage is the main introductory page of a website.
18. Spam refers to:
Answer: B. Junk email
Explanation: Spam is unwanted or unsolicited email messages.
Explanation: Spam is unwanted or unsolicited email messages.
19. Which protocol is secure version of HTTP?
Answer: B. HTTPS
Explanation: HTTPS encrypts communication between browser and server, ensuring security.
Explanation: HTTPS encrypts communication between browser and server, ensuring security.
20. Router is used to:
Answer: B. Connect multiple networks
Explanation: A router connects different networks and directs data packets efficiently.
Explanation: A router connects different networks and directs data packets efficiently.
