Std 10 Computer Chapter 1 introduction to HTML (Part 1)

Chapter 1
Introduction to HTML
(Part 1-Internet and HTML)

Internet
• Network:
When computers are connected
with each other they can share
resources. Such group of
connected computer is known
as a computer network.
• Internet:
The Internet is a collection of
such multiple computer
networks, hence known as
network of networks.

• Web:
On the platform of the internet, a
distributed information system exists,
which is called WWW
(World Wide Web) or Web.
– The notion of the web was
conceived in 1991 by Tim Berners-Lee,
while consulting at CERN (European
Organization for Nuclear Research) in
Switzerland.
– The web is a repository of multimedia
information on the internet platform.
– The web content in form of web pages
is explored using browser
– Individual document pages on the
WWW are called web pages and are
accessed with a software application
running on the user computer,
commonly called a web browser

• Browser:
Special software applications to
retrieve and view web information.
• Website :
Website is a collection of web pages
that display information about an
organization or institute.
• Hyperlink:
On web pages, links are placed pointing
towards different locations. These links
are known as hyperlink.
– Any content such as text, picture,
graphics etc can be embedded with
such hyperlink.

HTML
• HTML (HyperText Markup Language), describe how a web page
should be displayed by a web browser. HTML is considered as a
language for describing web pages.
• The HTML is a documentation language to mark content of web
pages such as heading, title, table, image etc.
• A HTML is a kind of markup language. A markup language is a set of
tags that enables additional information(besides the content) on how
to present the web content. HTML files are text files that contain
additional formatting markup information in form of tag along with
its content.

• HTML is derived from of SGML
• S-Standardized
• G-General
• M-Markup
• L-Language
• SGML was developed by the
International Organization for Standards
(ISO) in 1986.

HTML tag
• Several sets of angular brackets with words or
letters within them. These brackets and
words inside them are known as tags.
• A tag is made up of letter, words and numbers
enclosed between a left and right angular
bracket. i.e <>

HTML element
• A combination of opening and closing tag
along with some content between the two
tags forms an element.

• An HTML element may be empty or can have
attributes to specify the additional formatting
and publishing instructions.
Start tag Element Content End tag
<p> This is a paragraph </p>
<a href="default.htm"> This is a link </a>
<br>

Structure of an HTML Document
• HTML document is structured into two major parts.
1. Head Section (Head element)
 It contains information about the page such as title and
description of the page.
 All these information should be embedded within the <head>
and </head>
 Eg.Inside <head> section there is <title> element that is written
in head section and that will be displayed in the title bar of
browser.
2. Body Section (Body element)
 The body element is embedded within the <body> and </body>
 This is the content which can be seen or display within the
browser
Both the sections are embedded within the <html> and </html> tags.

HTML Title
• The title of a web page is specified by the TITLE
element, which is placed in the head section of
the document.
• Document should have only one title element.
• Title should be simple text and cannot contain
special commands such as hyperlinks.
• The title appears as a label of the window
displaying the text.
• The title also holds a place in a browser’s history
or bookmark list.

Std 10 Computer Chapter 1 introduction to HTML (Part 1)

Std 10 Computer Chapter 1 introduction to HTML (Part 1)

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Std 10 Computer Chapter 1 introduction to HTML (Part 1)

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