1. Explain and give the results of the use of WEB server on the computer system2. Explain and give examples of HTML scrib3. Differences of XHTML and HTML4. The purpose of each program syntax in module 3
"Answer"
1. Web server is software that provides data services that serve HTTP or HTTPS request received from a client who is known as a web browser and sends the results back in the form of pages - web pages are typically in the form of the HTML document.
2.<html>/ / Tag to create a html<head>/ / Tag to the html head<title> P.Web: This is the Title </ title>/ / P.Web title tags: This is the Title</ Head>/ / Closing tag in the html head<body>/ / Body tag of html<p> / / tag to create a paragraphLet's learn html by using paragraphs<p>It's also a paragraph, please try<p>There are three paragraphs here</ Body> / / closing tag in the html body</ Html> / / html closing tag creation
3. XHTML stands for Extensible HyperText Markup Language, is the HTML version of a more disciplined, rigorous and stable. XHTML is a combination of HTML and XML (Extensible Markup Language). XML was created to explain the data, while HTML was created to display data.
HTML (native language of the World Wide Web) is rapidly being replaced by XHTML. Both are almost the same because XHTML is inherited or derived from the HTML that is designed to match the XML standard. There are only a few minor differences between the two markup languages, it could be said that XHTML is a new generation of HTML.One of the advantages of XHTML is that it can be used on the non "computer" like cell phones and the like.• All element and attribute in XHTML documents must be typed in lower case (this is not necessary in the HTML).• All opening tags must be closed with a closing tag, in many HTML tags left open without closing the opening but there was no error when opened in browser, one example is a line break and the image tag.• In the world of XHTML, all tags must be nested on a regular basis (properly nested), meaning that if you open the tag "a" after it opened a new tag in it, then the most recent tag must be closed first and the first open tag should be closed at the end . Although nesting is also contained in the HTML world, but not as restrictive as the rules in XHTML.• Each value in the attribute should be wrapped with double or single quotes and attributes alone should not be abbreviated.• Image tags should have alt attribute which provides a description of the image, to allow them to have some of the requirements for accessibility together with different web standards.• Other requirements of XHTML is the presence of the DOCTYPE statement that determines which rules are followed by your document (rule inherited from XML). You will find this statement in the first row from the top when you turn the page source code XHTML document type declaration (also called a DTD or DOCTYPE). Most web pages are created today will include the DOCTYPE declaration. There are 3 DTD for XHTML: Strict (only without the tag will validate if worn), Transition (will still validate the tag obsolete), and Frameset (for pages that are "set up frame"). All XHTML documents must conform to XML syntax rules.
4.--> <a href> ... <a>(To link)
--><img src="login_.jpg" />(To create a picture image)
--> <body bg
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