Q.1. Why is internet not the World Wide Web? (1 Mark)
Ans: The internet is a huge network of computers all connected together. The World Wide Web (WWW) is a collection of webpages found on this network of computers.
Q.2. What is a computer network? (1 Mark)
Ans: A computer network is a collection of inter- connected autonomous computers and other devices which are able to communicate with each other and share hardware and software resources.
Q.3. Renu wants to send an email through Internet. Her teacher told her about SMTP that is used for transferring the mail, and also asked her the full form of SMTP. Help her. (1 Mark)
Ans: Simple Mail Transfer Protocol.
Q.4. What is a homepage? (1 Mark)
Ans: A homepage is the front door of a website. Typically, the homepage is just one of the pages on a Website but in common use the homepage and the website that it introduces are used interchangeably.
Q.5. Rahul got an assignment in which there is a question about website. But he does not know about it. Help him to get the information of website. (1 Mark)
Ans: Website is a collection of web pages belonging to a particular person or an organisation.
Q.6. What is the purpose of a modem? (1 Mark)
Ans: Modem is a device that converts analog signals to digital signals and vice-versa.
Q.7. Shrey is a student of class 10th. He wants to access the web pages on the internet. Which software will be used for accessing these web pages and also told him about it. (1 Mark)
Ans: Web browser is an application software that enables the user to access web pages and web applications on the Internet.
Q.8. What is a blog? (1 Mark)
Ans: A blog is a frequently updated online personal journal or diary. It is a place to express ourselves to the world. Blog is a short form of weblog.
Q.9. What is NIC? (1 Mark)
Ans: NIC is Network Interface Card that connects our computer to a local data network or the internet. It is also called a network adapter.
Q.10. What are newsgroups? (1 Mark)
Ans: A newsgroup is an online discussion forum accessible through internet.
Q.11. How is router different from a modem? (1 Mark)
Ans: Router allows multiple computers to join the same network while a modem connects to the internet. In order for devices on the network to connect to the Internet, the router must be connected to a modem.
Q.12. What is domain name resolution? (1 Mark)
Ans: Domain Name Resolution is the process of getting corresponding IP address from a domain name.
Q.13. Write the name of any two ISPs in India. (1 Mark)
Ans: BSNL, Airtel, Reliance Jio, etc.
Q.14. How is a domain name different from a URL? (1 Mark)
Ans: URL is a string that provides the information location or complete internet address of a webpage. Domain names are used in URLs to identify particular Web servers. For example, in the URL http://www.cbse.nic.in/welcome.htm, the domain name is www.cbse.nic.in.
Q.15. Give one difference between internet and intranet. (1 Mark)
Ans: Internet is a network of computer networks which operate world-wide using a common set of communication protocols. Intranet is an interconnected network within one organisation that uses web technologies for sharing the information internally.
Q.16. What do the following domains signify? (1 Mark)
Ans: (i) .edu – education
(ii) .org – organisation
Q.17. What is a URL? (1 Mark)
Ans: The Uniform Resource Locator (URL) is the unique address or location of a document and other resources on the World Wide Web.
Q.18. Given below are two addresses : (1 Mark)
Identify which one of the above is an IP address and which one is a URL.
Ans: (i) URL (ii) IP address
Q.19. What is an ISP? (1 Mark)
Ans: ISP (Internet Service Provider) are companies which provide Internet related services to its users.
Q.20. Write one example each of URL and IP address. (1 Mark)
Ans: URL: http://www.cbse.nic.in/welcome.htm
IP address : 188.8.131.52