Page 56 - DCAP512_WAP_AND_WML

WAP & WML

Notes  Also a card may contain input fields for the user to enter data as we have the form
functionality using HTML in web browsers.

 WML pages are requested and served in the same way as HDML (Handheld Device Markup
Language is used to format content for Web-enabled mobile phones. HDML is Openwave’s
(formerly known as phone.com) proprietary language, which can only be viewed on
mobile phones that use Openwave browsers.

4.5 Keyword

HDML: Handheld Device Markup Language
HTML: Hypertext Markup Language

WML: Wireless Markup Language
XML: Extensible Markup Language

4.6 Review Questions

1. WML’s similarity to HTML was not random. Comment.

2. A WAP deck is the equivalent of a Web page, the card being the portion of the Web page
that can be seen on the screen. Explain.
3. A Web server may generate WML content for WAP devices or it may simply dish out
HTML (XML). Discuss.
4. Converting HTML automatically to WML typically does not produce good or even usable
results. Explain with examples.

5. The id attribute is used to provide an element with a unique name within a single deck.
Discuss.
6. State some of the differences between WML tags and HTML tags.

7. How are the wired world and the wireless domain bridged?
8. Each card typically contains some content, such as text and images that are displayed to the
user. Explain with examples.

9. A proxy must implement both the client and server requirements of the WWW
specifications. Comment.
10. All web browsers support a set of standard content formats. Is it true? Why?

Answers: Self Assessment

1. WAP - enabled 2. software package
3. Navigation 4. gateways (proxies)
5. HTML (XML) 6. WAP
7. Screen 8. Single

9. Binary 10. Pages
11. Align 12. Hyperlink

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