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CLASS -4, SUBJECT-COMPUTER, Chapter 9 The Internet, Short question answer-, Q1 What is internet?, A1 Internet is a vast network that connects computers all over the world., Q2 What is a protocol?, A2 A protocol is a standard set of rules that computer networks or network, devices follow when transmitting and receiving data., Q3 Describe the WWW., A3 WWW stands for World Wide Web which contains huge amount of, information in form of text, graphics, audio, video etc., Q4 What is TOCP/IP?, A4 Transmission Control Protocol/Internet Protocol (TCP/IP) is a, networking protocol that allows two computers to communicate., Q5 What is URL?, A5 URL stands for Uniform Resource Locator. It refers to the unique, address or location of a website., Long question answer, Q1 Describe the history of Internet?, A1.In 1969, the Defence department of United States of America set up a, network of four computers which is called ARPANET. This was the first, step towards the creation of the Internet., Q2 Explain the term web browser. Also, write the names of any five web, VEdit with WDS Office

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browser., A2 A web browser is a software application that enables the users to locate, and access the web pages eg. Google Chrome, Mozilla Firefox, Safari,, Opera, Microsoft Edge., Q3. Distinguish between a web page and a website., A3 Web page- A web page is a document written in HTML., Website- A website is a collection of interrelated web pages., Q4 How does data travel over the internet? Describe., A4 When data is transferred from one computer to another over the, internet, it is broken into pieces using TCP(Transmission control protocol)., These pieces are called packets. The Internet protocol adds the IP address, of the sender computer and the recipient computer to each packet so that, it reaches the correct recipient., VEdit with WDS Office