Looking for reliable SEBA Class 10 Computer Science Chapter 1 (Introduction to Computer Network) extra questions and answers for the 2026–27 academic year? Access important short questions, conceptual explanations on guided/unguided media, topology comparisons, IP addressing, network hardware devices, and exam-oriented practice notes to score top marks in your HSLC board exams.
Q1. What is a computer network?
Answer: A computer network is a group of computers and devices connected together to share information and resources.
Q2. Give one example of resource sharing in a network.
Answer: If one printer is connected in the network, all computers can use that same printer.
Q3. Why do we use a computer network?
Answer: To share data, internet, printers, and other resources easily among connected computers.
Q4. What are the two main types of network connections?
Answer: the two main types of network connections are :
1. Wired (with cables)
2. Wireless (without cables)
Q5. Write examples of wired network technologies.
Answer: examples of wired network technologies are: Coaxial Cable, Twisted Pair Cable, Optical Fiber Cable
Q6. Write examples of wireless network technologies.
Answer: Wi-Fi, Bluetooth, WiMAX
Q7. On the basis of connecting technology, what are the 3 types of computer networks?
Answer: 3 types of computer networks are:
1. Wired Network
2. Wireless Network
3. Hybrid Network
Q8. On the basis of size, what are the 4 main types of computer networks?
Answer: the 4 main types of computer networks are:
1. PAN (Personal Area Network)
2. LAN (Local Area Network)
3. MAN (Metropolitan Area Network)
4. WAN (Wide Area Network)
Q9. What is PAN (Personal Area Network)?
Answer: PAN is the smallest network for personal devices.
Range: About 10 meters
Devices: Laptop, Mobile, Tablet, Printer
Example: Sharing files using Bluetooth.
Q10. Difference between PAN and WAN.
Answer:
Difference between PAN and WAN are:
| PAN | WAN |
| It is Very small, personal use (about 10m). | It is Very large, connects worldwide (Internet). |
SEBA Class 10 Computer Science Chapter 1 Extra Questions
Q11. What is a Local Area Network (LAN)?
Answer: A LAN connects computers in a small area like a building, office, or school.
Q12. What device is commonly used in LAN to connect computers?
Answer: commonly used in LAN to connect computers is a switch or hub.
Q13. Where can you see examples of LAN?
Answer: School labs, Banks, Cyber cafés.
Q14. What resources can be shared in a LAN?
Answer: Internet, Printers, Files.
Q15. Write two advantages of LAN.
Answer: two advantages of LAN are:
1. Saves money – one Internet connection for all.
2. Enables resource sharing – printers and data.
Q16. What is MAN?
Answer: MAN connects many LANs in a city or large area.
Q17. Who usually sets up a MAN?
Answer: Internet Service Providers (ISPs).
Q18. Which technology is often used in MAN?
Answer: Optical Fiber Cables.
Q19. Give one real-life example of MAN.
Answer: one real-life example of MAN is cable TV or city-wide Internet connection.
Q20. What is WAN?
Answer: WAN connects computers across very large areas like countries or continents.
Class 10 Computer Science Chapter 1 Important Questions SEBA 2026-27
Q21. How is a WAN formed?
Answer: Using leased telecommunication circuits provided by telecom companies.
Q22. Give one example of WAN.
Answer: The Internet.
Q23. What are the main uses of WAN?
Answer: the main uses of WAN are:
1. Online education
2. Business communication
3. Video calls & social media
4. Banking and online shopping
Q24. Can WAN connect different LANs and MANs?
Answer: Yes, it connects LANs and MANs globally.
Q25. Why do we need to identify a computer in a network?
Answer: To access or send data to a specific computer in a network.
Q26. What is a network address?
Answer: A unique identifier that allows devices to locate and communicate with each other.
Q27. Name three types of network addresses.
Answer: three types of network addresses are:
1. Hostname
2. IP Address
3. MAC Address
Q28. What is a hostname?
Answer: A hostname is the name of a computer or device connected to a network.
Q29. Why is a hostname important?
Answer: A hostname is important as it helps distinguish one device from another.
Q30. How can you find the hostname in Windows?
Answer: we can find the hostname in Windows by typing hostname in Command Prompt.
Introduction to Computer Network Class 10 SEBA Extra Question Answer
Q31. Can you change a hostname?
Answer: Yes, through system settings or terminal commands.
Q32. What is an IP address?
Answer: A unique number assigned to each device on a network.
Q33. What is IPv4?
Answer: Internet Protocol Version 4 – a 32-bit address written in dotted decimal (e.g., 172.16.254.2).
Q34. What is IPv6?
Answer: Internet Protocol Version 6 – a 128-bit address providing many more unique addresses.
Q35. What is a MAC address?
Answer: A permanent hardware identifier assigned to a Network Interface Card (NIC).
Q36. What is a NIC?
Answer: Network Interface Card – hardware that connects a computer to a network.
Q37. What are the types of NIC?
Answer:
Wired NIC: Uses cables
Wireless NIC: Uses antenna
Q38. What is the difference between Internal and External NIC?
Answer:
Internal NIC: Built into the motherboard.
External NIC: Connected via USB port.
Q39. What is a Hub?
Answer: A basic device that connects computers and broadcasts data to all connected devices.
Q40. What is a Switch?
Answer: A smart device that sends data only to the intended computer, reducing traffic.
SEBA Class 10 Computer Science Chapter 1 Short Notes
Q41. What is a Router?
Answer: A device that connects different networks and finds the best path for data.
Q42. What is a Routing Table?
Answer: A list stored in the router showing network paths for data transmission.
Q43. What is an Access Point (AP)?
Answer: A device that creates a wireless network for devices to connect.
Q44. What does SSID stand for?
Answer: Service Set Identifier – the name of a Wi-Fi network.
Q45. What are the types of wireless networks?
Answer: Types of wireless networks are:
Open: No password required
Password-protected: Password required
Hidden SSID: Manual entry required
Q46. Which factor affects AP range?
Answer: Antenna power and physical obstructions.
Q47. What is a network protocol?
Answer: A set of rules that allows computers to communicate and transfer data accurately.
Q48. Why do computers need protocols?
Answer: To ensure proper communication between devices of different designs.
Q49. Give examples of protocols.
Answer: TCP/IP, HTTP, HTTPS, FTP, SMTP, POP.
Q50. What is TCP?
Answer: Transmission Control Protocol – splits data into packets and ensures reliable delivery.
SEBA Class 10 Computer Science Chapter 1 Short Notes
Q51. What is IP?
Answer: Internet Protocol – assigns addresses and delivers packets between computers.
Q52. Why is TCP reliable?
Answer: It retransmits lost packets and ensures data arrives in order.
Q53. What is HTTP?
Answer: Hypertext Transfer Protocol – used for web data transfer (not secure).
Q54. What is HTTPS?
Answer: Secure version of HTTP that encrypts data.
Q55. What is FTP?
Answer: File Transfer Protocol – transfers files between computers.
Q56. What are SFTP and FTPS?
Answer: Secure versions of FTP that encrypt data and login credentials.
Q57. What is SMTP used for?
Answer: Sending outgoing emails.
Q58. What is POP used for?
Answer: Receiving and downloading emails from the server.
Q59. What is the use of the ping command?
Answer: To check network connectivity between two computers.
Q60. What does ipconfig show?
Answer: IP address, subnet mask, and default gateway of the computer.
HSLC Computer Science Chapter 1 Important Short Questions
Q61. What does the hostname command do?
Answer: Displays your computer’s network name.
Q62. What is the purpose of the arp command?
Answer: Maps IP addresses to MAC addresses on a network.
💻 Updated Extra Questions Guide Notice: This page features an extensive collection of SEBA Class 10 Computer Science Chapter 1 (Introduction to Computer Network) Extra Questions and Detailed Answers updated for the 2026–27 academic session. All network protocols, transmission media notes, topology diagrams, and security basics strictly follow the latest revised Assam Board (SEBA) curriculum.
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