Extra Modern Language; used to design web pages

eXtensible Markup Language; used to store and organize data

Example Markup Layout; used to display text on screens

External Machine Language; used to program web servers

To display data on a web page

To describe and organize data in a human- and machine-readable format

To create interactive web applications

To style web pages

XML is used for data storage while HTML is used for data presentation.

XML is only used for web pages while HTML is used for databases.

XML is case-insensitive while HTML is case-sensitive.

XML and HTML serve the same purpose.

<course>

<age>

<student>

none

<age>

<course>

<name>

<student>

John Smith

<course>

18

Computer Science

Prolog, Element Attribute

Header, Body, Footer

Tag, Value, Type

Parent, Branch, Content

Root

Value

sub-element

Footer

<name>John</name>

John</name>

<name>John<name>

<name>John</n>

<date> 1/1/2025</date>

<Date>1/1/2025</DatE>

<daTe> 1/1/2025 </daTe>

<DatE>1/1/2025</date>

Tags must have closing tags.

Tags are case-sensitive.

Tags can be nested.

Tags can be left open.

school

name

age

lastName

< myElement myAttribute=someValue/>

< myElement myAttribute=’someValue’>

< myElement myAttribute="someValue"/>

< myElement myAttribute='someValue'/>

<student>Ali</student>

<student></student>

<student />

<student> </student>

An element that contains no data or child elements

A comment inside the XML

A tag that repeats automatically

An element that stores attributes only

<image>

<image></image>

<image />

Both B and C

<email /> contains data, <email></email> does not

They are both equivalent and represent empty content

<email></email> is incorrect syntax

<email /> is used only in HTML, not XML

<linebreak />

<student />

<name>Ali</name>

<image src="logo.png" />

1

2

3

0

XML tags are case sensitive

XML documents must have a root tag

XML elementss must be properly closed.

All of the above.

eXtra Modern Link

eXtensible Markup Language

X-Markup Language

Example Markup Language

< myElement myAttribute=”value1” myAttribute=”value2”/>

< myElement myAttribute=”value1 value2”/>

Attributes cannot have multiple values.

< myElement myAttribute=”value1, value2”/>

my Element

#myElement

_myElement

<firstElement>some text goes here <secondElement>another text goes here</secondElement> </firstElement>

<firstElement>some text goes here</firstElement> <secondElement> another text goes here</secondElement>

<firstElement>some text goes here <secondElement> another text goes here</firstElement> </secondElement>

</firstElement>some text goes here </secondElement>another text goes here <firstElement>

<

>

$

?

XML is used to store and describe data, while HTML is used to display data.

XML tags are predefined, while HTML tags are user-defined.

HTML is case-sensitive, while XML is not.

HTML focuses on the structure of data, while XML focuses on the layout of web pages.

XML tags are predefined

XML tags are fixed and cannot be changed

XML tags are user-defined

XML tags are case-insensitive

Case-insensitive

Case-sensitive

Optional

Not required

HTML

XML

Both HTML and XML

CSS

Multiple root elements

One single root element

No root element

Optional closing tags