Present Session III. The Internet is a global system of interconnected computer networks that use the standard Internet Protocol Suite (TCP/IP) to serve.

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Presentation transcript:

Present Session III

The Internet is a global system of interconnected computer networks that use the standard Internet Protocol Suite (TCP/IP) to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks of local to global scope that are linked by a broad array of electronic and optical networking technologies. The Internet carries a vast array of information resources and services, most notably the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support electronic mail. computer networksInternet Protocol Suiteinformationhypertext World Wide Webelectronic mail The Internet ( Wikipedia Definition )

TCP/IP Transmission Control Protocol Rules by which data are sent between systems Internet Protocol Rules by which messages are addressed

IP Address Unique for every computer connected IPv Max = 4,294,967,296 DNS – (Domain Name Server) =

What’s in a Name?? HTTP: HTTPS: File: Domain Name YouNameItNoSpaces Domain Type COM EDU ORG GOV

Browser A web browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web.software applicationWorld Wide Web

Firefox freebee

Safari ( Apple )

Internet Explorer ( Microsoft )

Browser Review

IMAP vs POP I nternet M essage A ccess P rotocol – Stored on the Server – Allows you to read all of your in multiple locations. – Checking may be faster P ost O ffice P rotocol – Stored on Your Computer by Your Client – Allows you to read previously received and attachments when offline.

G M ail( Google )