Looking for authentic SEBA Class 9 Computer Science Chapter 4 MCQ solutions for the 2026–27 academic year? Access complete multiple-choice questions with correct options, clear explanations, and objective notes designed to help you score top marks in your annual exams.
Q1. The physical or logical layout/connection structure of a computer network is called…
(a) Protocol
(b) Topology
(c) Architecture
(d) Transmission media
Answer: (b) Topology
Q2. Which device is required to centralize connections in a Star Topology?
(a) Repeater
(b) Router
(c) Switch
(d) Modem
Answer: (c) Switch
Q3. How many cables are required to form a Mesh Topology of 10 computers?
(a) 15
(b) 25
(c) 30
(d) 45
Answer: (d) 45
Q4. Which of the following is NOT a network protocol?
(a) HTTP
(b) HTTPS
(c) ISP
(d) FTP
Answer: (c) ISP
Q5. How many repeaters are required to transfer data up to 400 meters using a standard twisted-pair cable?
(a) Not required
(b) 2
(c) 3
(d) 4
Answer: (a) Not required
Q6. Unsolicited, bulk, or unwanted marketing emails normally land in the…
(a) Inbox
(b) Trash
(c) Drafts
(d) Spam
Answer: (d) Spam
Q7. An organization or company that provides internet connectivity to users is called an…
(a) URL
(b) ISP
(c) IP
(d) HTTP
Answer: (b) ISP
Q8. The first network established in the world that led to the development of the Internet was…
(a) NSFNET
(b) ARPANET
(c) ETHERNET
(d) INTRANET
Answer: (b) ARPANET
Q9. Who invented the World Wide Web (WWW) in 1989?
(a) Charles Babbage
(b) Tim Berners-Lee
(c) Alan Turing
(d) Vint Cerf
Answer: (b) Tim Berners-Lee
Q10. In a search engine, search results are ordered based on…
(a) Textual query ranking
(b) File size
(c) Domain registration date
(d) Creation time
Answer: (a) Textual query ranking
Q11. The sent section of an email interface contains…
(a) Deleted emails
(b) Unsent drafts
(c) Successfully delivered emails
(d) Received emails
Answer: (c) Successfully delivered emails
Q12. Which field in an email header hides the recipient’s email address from other recipients?
(a) To
(b) CC
(c) Subject
(d) BCC
Answer: (d) BCC
Q13. What does BCC stand for in email terminology?
(a) Basic Carbon Copy
(b) Blind Carbon Copy
(c) Binary Communication Control
(d) Blind Computer Copy
Answer: (b) Blind Carbon Copy
SEBA Class 9 Computer Science Chapter 4 MCQ Solutions
Q14. The protocol used specifically to transfer files from a client to a server over a network is…
(a) HTTP
(b) SMTP
(c) FTP
(d) POP3
Answer: (c) FTP
Q15. Which protocol is primarily used for sending outgoing email messages?
(a) POP3
(b) SMTP
(c) HTTP
(d) IMAP
Answer: (b) SMTP
Q16. Which protocol downloads incoming emails from the email server to the client device?
(a) POP3
(b) SMTP
(c) FTP
(d) TCP
Answer: (a) POP3
Q17. The secure version of HTTP that encrypts web data using SSL/TLS is…
(a) HTTP-S
(b) HTTPS
(c) S-HTTP
(d) FTP
Answer: (b) HTTPS
Class 9 Computer Science Chapter 4 MCQ Question Answer SEBA 2026-27
Q18. Every document or resource available on the World Wide Web is identified by a unique address called a…
(a) IP
(b) MAC
(c) URL
(d) ISP
Answer: (c) URL
Q19. What does URL stand for?
(a) Universal Resource Locator
(b) Uniform Resource Locator
(c) Unified Reference Link
(d) Uniform Resource Link
Answer: (b) Uniform Resource Locator
Q20. In a web browser, the main application page of a website is known as the…
(a) Bookmark
(b) Index page
(c) Homepage
(d) Cover page
Answer: (c) Homepage
Q21. Which software is required on a user’s computer to access and display web pages?
(a) Web Server
(b) Web Browser
(c) Search Engine
(d) Text Editor
Answer: (b) Web Browser
SEBA Class 9 Computer Science Chapter 4 Objective Questions
Q22. Google Chrome, Mozilla Firefox, and Microsoft Edge are examples of…
(a) Operating Systems
(b) Web Browsers
(c) Search Engines
(d) Email Providers
Answer: (b) Web Browsers
Q23. Which of the following is a dedicated Search Engine?
(a) Google
(b) Opera
(c) Safari
(d) Brave
Answer: (a) Google
Q24. Text containing embedded links to other pages or media on the web is called…
(a) Plain Text
(b) Hypertext
(c) Rich Text
(d) Ciphertext
Answer: (b) Hypertext
Q25. Which domain extension (TLD) is typically used by commercial websites?
(a) .edu
(b) .gov
(c) .org
(d) .com
Answer: (d) .com
Class 9 Computer Science Chapter 4 Multiple Choice Questions
Q26. Which top-level domain (TLD) is reserved exclusively for educational institutions?
(a) .edu
(b) .org
(c) .net
(d) .com
Answer: (a) .edu
Q27. In a client-server network architecture, server computers generally have…
(a) Less memory than client computers
(b) Higher storage and processing capacity than client computers
(c) No operating system
(d) Identical specifications to client computers
Answer: (b) Higher storage and processing capacity than client computers
Q28. Real-time face-to-face audio and video communication between multiple users over the internet is called…
(a) Instant Messaging
(b) Emailing
(c) Video Conferencing
(d) Blogging
Answer: (c) Video Conferencing
Q29. Buying and selling goods or services online using the internet is known as…
(a) E-Learning
(b) E-Commerce
(c) E-Governance
(d) E-Banking
Answer: (b) E-Commerce
SEBA Class 9 Computer Science Chapter 4 MCQ Notes
Q30. High-speed long-range wireless communication standard designed for broadband connectivity is…
(a) Bluetooth
(b) WiMAX
(c) Infrared
(d) Zigbee
Answer: (b) WiMAX
💻 Updated MCQ Guide Notice: This page features a full collection of SEBA Class 9 Computer Science Chapter 4 Multiple Choice Questions (MCQs) with accurate options and detailed explanations, fully updated for the 2026–27 academic session in accordance with the latest revised Assam Board (SEBA) curriculum.
💡 Master Class 9 Computer Science MCQs:
- Have a doubt or need clarification on any objective question or concept in Chapter 4? Drop your query in the comments section below!
- Save and bookmark this URL for fast objective revision before your unit tests, mid-term, and annual examinations.
- Share this link with your classmates and WhatsApp study groups to help them prepare effectively!