My web document

1. What is a markup?

A markup is simply to define elements and provide a specific tag to markup each element.

2. What is a hypertext and hypermadia?

Hypertext is a text whick contains links to other texts.Hypermedia is a similar concept and includes graphics,sound and video.

3. What is a doctype and why is it important to include it in every HTML documnet?

A doctype declaration specifeis the verion of HTML to be used by a brower.Its is important to include it as browers will attemps to render documnet whitout a doctype with thier so called "quick mode" with possible unexpected result.

4. What language can be used to style web document?

Cascading stylesheet.

5. Which element are required for a valid XHTML5 document?

A doctype declaration
An HTML element with the head and body nested within it
And last a title nested with in the head

6. What is a self closing element?Give an example?

Its an element that does not require a end tag. An example: < meta name="author" content="your name" / >

7. What is XML and why is it important to web developers?

XML is a general purpose markup language with stricter syntax rules than HTML. XML is important because it is essential for well structured documents that are easier to develop and maintain.

8. Describe 4 XMl rules?

1.Elements must be properly nested.
2.Elements must have a start and end tag.
3.Element names are case-sensitive.
4.Attributes may not be repeated.

9. What is the difference between a "well-formed" and a valid web document?

A well formed document is one which follows XML syntax
On the other hand a valid document is one which conforms to a particular doctype and is also well formed.