Lecture 3.pptx the new topiccccccc forrr
- 2. What is the Internet? The Internet is a vast network that connects computers all over the world. Through the Internet, people can share information and communicate from anywhere with an Internet connection. Network of Networks is also known as Internet.
- 3. History of Internet? In the 1960s the U.S. government, businesses, and colleges worked together to make a system that would let computers across the United States share information. They created an early form of the Internet called ARPANET in 1969. In 1971 electronic mail, or e-mail, was invented as a way to send a message from one computer to another. By the mid-1970s many groups of computers were connected in networks. Machines called routers were invented to connect the networks. This is how the original ARPANET eventually grew into the Internet.
- 4. Definitions World Wide Web (WWW) A system of internet servers that support HTML formatting. IP Address A unique series of numbers assigned to every computer network in the internet EX: 168.28.233.11 Domain Name A text based equivalent for one or more IP addresses. HTML Hypertext markup language; coding language telling browsers how to display documents
- 5. Purposes of a Web Site Following are the main purpose of making a website E-Commerce Personal Use Information Source
- 6. E-Commerce Conduct business Sell products and services online ◦Amazon.com ◦Ebay.com ◦Daraz ◦OLX Communicate with other businesses & customers
- 7. Personal Use Marketing self with personal portfolio Stay in touch with social media Send and receive e-mail Fun/entertainment
- 8. Informational Source These includes websites of Non-profit organizations ◦Wikipedia ◦Encyclopedia ◦Weather News ◦Sports Update
- 9. Internet Necessities These includes Internet Service Provider (ISP) PTCL Wateen Wi-tribe Zong Web Browser Internet Explorer Google Chrome Opera Search Engine Google Yahoo
- 10. URL URL stands for Uniform Resource Locator it Identifies Internet locations. Example http://www.Google.com ◦ Protocol ◦ Host ◦ Name ◦ Folder name ◦File name
- 11. Domains .com .edu .gov .net
- 12. Cookies Used by Web servers to differentiate users and to maintain data related to the user during navigation To delete cookies: Click Settings Advanced Settings Clear Browsing Data All Cookies
- 13. Web Browser A Web browser is: ◦A tool for travelling the Internet ◦Client software for viewing World Wide Web pages. ◦A multimedia interface allowing integration of text, graphics, audio and video. Example: Chrome Internet Explorer Safari Firefox
- 15. Address Bar A Web browser is: ◦Displays the URL address of the site you are viewing ◦Allows you to go directly to a site on the Internet
- 16. Using History in IE(Internet Explorer) Displays all recently visited web sites Use to help you to return to previously viewed web pages
- 17. Using Bookmarks in IE(Internet Explorer) Save links to useful resources. Create your own custom menus CTRL + Shift + B to see bookmarks bar Click the star to add a bookmark Drag a link to the bookmark bar
- 18. Tabbed Browsing Allows more than one web page to open within the same browser window. Each window appears on a separate tab. Use to organize web pages while browsing.