Lecture notes

WEB TECHNOLOGY(NOTES)

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Module
CCS375 (CCS375)

Institution
Anna University,CEG,chennai-600025

Web technology refers to the tools, technologies, and standards used for the development and functioning of websites and web applications. It encompasses a wide range of disciplines and technologies that work together to enable the creation, deployment, and maintenance of websites on the World Wide...

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Uploaded on January 20, 2024
Number of pages 343
Written in 2023/2024
Type Lecture notes
Professor(s) Kumar
Contains All classes

webdevelopment
webdesign
html
css
responsivedesign
responsivedesign
fullstack
web technology
frontend
backend
javascript

Institution
Anna University,CEG,chennai-600025
Module
CCS375 (CCS375)

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CCS375-Web Technologies Unit – 1 V Semester CSE

UNIT I WEBSITE BASICS, HTML 5, CSS 3, WEB 2.0 7
Web Essentials: Clients, Servers and Communication – The Internet – World wide web –
HTTP Request Message – HTTP Response Message – Web Clients – Web Servers –
HTML5 – Tables – Lists – Image – HTML5 control elements – Drag and Drop – Audio –
Video controls - CSS3 – Inline, embedded and external style sheets – Rule cascading –
Inheritance – Backgrounds – Border Images – Colors – Shadows – Text – Transformations
– Transitions – Animations. Bootstrap Framework

1.1: Web Essentials

Server:
The software that distributes the information and the machine where the
information and software reside is called the server.
 provides requested service to client
 e.g., Web server sends requested Web page

Client:
The software that resides on the remote machine, communicates with the
server, fetches the information, processes it, and then displays it on the
remote machine is called the client.
 initiates contact with server (speaks first)
 typically requests service from server
 Web client is implemented in browser

Web server: Software that delivers Web pages and other documents to
browsers using the HTTP protocol.

Web Page: A web page is a document or resource of information that is
suitable for the World Wide Web and can be accessed through a web
browser.

Website: A collection of pages on the World Wide Web those are accessible
from the same URL and typically residing on the same server.

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,CCS375-Web Technologies Unit – 1 V Semester CSE

URL: Uniform Resource Locator, the unique address which identifies
aresource on the Internet for routing purposes.

Below is additional information about each of the sections of the
httpURL for this page.

CLIENT-SERVER PARADIGM
 The Client-Server paradigm is the most prevalent model for distributed
computing protocols. It is the basis of all distributed computing paradigms at a
higher level of abstraction.
 It is service-oriented, and employs a request-response protocol.

 A server process, running on a server host, provides access
to a service. A client process, running on a client host,
accesses the service via the server process.
 The interaction of the process proceeds according to a protocol.
 The primary idea of a client/server system is that you have a
central repository of information—some kind of data, often in
a database—that you want to distribute on demand to some set
of people or machines.

2

,CCS375-Web Technologies Unit – 1 V Semester CSE

3

, CCS375-Web Technologies Unit – 1 V Semester CSE

TYPES OF CLIENT-SERVER ARCHITECTURE

 Depending upon the number of layers or tiers used in the client-
server model, it can be categorized into 3 types:
 2 Tier Architecture
 3Tier Architecture
 N Tier Architecture

1) Two Tiers Architecture

 In this type of architecture,
the workload is divided
between the server (host of
the system) and the
client(which hosts the user
interface).
 In reality these are located on
separate computers but there
is no absolute requirement of

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