BT0078, Website Design

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ASSIGNMENT

PROGRAM	BSc IT
SEMESTER	THIRD
SUBJECT CODE & NAME	BT0078, Website Design
CREDIT	2
BK ID	B1005
MAX. MARKS	30

1. Draw and explain the diagram of website development life cycle.

Answer: Just like the field of software development, the website development process can be separated into different life-cycle phases. The purpose of a development life-cycle is help align the developers with tasks that need to be done at certain stages, and to work to a set of standards and procedures to help ensure that maximum quality can be achieved. This article looks into each phase of the development life-cycle, however it should be noted that some of these phases can be rearranged to better suit a project, and by no means is this a strict framework that must be followed at all times.

The following life-cycle is

Q. 2. Describe the following in context of validating XML documentswith DTDs

1. Concept of data validation

Answer: A valid document includes a document type declaration that identifies the DTD the document satisfies. The DTD lists all the elements, attributes, and entities the document uses and the contexts in which it uses them. The DTD may list items the document does not use as well. Validity operates on the principle that everything not permitted is forbidden. Everything in the document must match a declaration in the DTD. If a document has a document type declaration and the document satisfies the DTD that the document type declaration indicates, then the document is said to be valid. If it does not, it is said to be invalid.

2. Writing document type definition (DTD) files:

Answer : While XML is extremely flexible, not all the programs that read particular XML documents are so flexible. Many programs can work with only some XML applications but not others. For example, Adobe Illustrator 10 can read and write Scalable Vector Graphics (SVG) files, but you wouldn't expect it to understand a Platform for Privacy Preferences (P3P) document. And within a particular XML application, it's often

3. Internal and external DTDs:

Answer : When you're first developing a DTD, it's often useful to keep the DTD and the canonical example document in the same file so you can modify and check them simultaneously. Therefore, the document type declaration may actually contain the DTD between square brackets rather than referencing it at an external URI. Example 3-4 demonstrates. Some document type declarations contain some declarations directly but link in others using a SYSTEM or PUBLIC identifier. The part of the DTD between the brackets is called the

4. Validating parsers:

Answer : The declarations in the internal subset form part of the DOCTYPE in the document itself. The declarations in the external subset are located in a separate text file. The external subset may be referenced via a public identifier and/or a system identifier. Programs for reading documents may not be required to read the external subset.Note that any valid SGML or XML document that references an external subset in its DTD, or whose body contains references to parsed external entities declared in its DTD (including

5. The NMTOKEN and NMTOKENS Type:

Answer : The effective value of the attribute can only be a valid name token (or a spaced-separated list of such name tokens), but it is not restricted to a unique identifier within the document; this name may carry supplementary and application-dependent semantics and may require additional naming constraints, but this is out

Q. 3. Define XSL-FO.

Explain the following:

1. Purpose of XSL Formatting Objects (XSL-FO)

Answer: Purpose of XSL Formatting Objects (XSL-FO):

Answer : XSL Formatting Objects, or XSL-FO, is a markup language for XML document formatting which is most often used to generate PDFs. XSL-FO is part of XSL (Extensible Stylesheet Language), a set of W3C technologies designed for the transformation and formatting of XML data. The other parts of XSL are XSLT and XPath. Version 1.1 of XSL-FO was published in 2006.  XSL-FO was discontinued: the last update for the Working Draft was in January 2012, and its Working Group closed in November 2013.

XSL Formatting Objects (XSL-FO) are the second half of the Extensible Stylesheet Language (XSL). XSL-FO is an XML application that describes how pages will look when presented to a reader. A style sheet uses the XSL

2. XSL-FO Documents and XSL-FO Processors:

Answer : XML was designed as a portable means to exchange data between different applications; data presentation is often left to the applications themselves. An XML document typically describes data in an orderly manner, with indentation being the only formatting. In this section I take a look at the use of XSL-FO as a specialized XML

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