A presentation for absolute beginners who have never touched Web Technologies and may be a bit scared of it!.
This is all about an Web Development Basics
4. INTERNET OVERVIEW
Internet is a global network that connects billions of computers across the world
with each other and to the World Wide Web. It uses standard internet protocol
suite (TCP/IP) to connect billions of computer users worldwide.
Intranet is a private network that belongs to a particular organization. It is based
on internet protocols (TCP/IP) and is protected from unauthorized access with
firewalls and other security systems. Furthermore, to access the intranet, the
authorized user is required to be connected to its LAN (Local Area Network).
Extranet is a part of an organization's intranet. It is a communication network that
is based on internet protocols (TCP/IP). It is a private network that securely
shares internal information and operations of a firm with authorized people
outside the firmwithout giving access to the company's entire network.
12. WEB BROWSER
A web browser is an application for accessing websites.
The purpose of a web browser is to fetch content from the World Wide Web.
Each browser usually consists of three parts
• Controller
• Client protocol
• Interpreters
13. WEB SERVER
A Web server is server software, that can satisfy World Wide Web client
requests.
A web server can, in general, contain one or more websites.
A web server processes incoming network requests over HTTP and
several other related protocols.