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PROGRAM
BACHELOR OF COMPUTER APPLICATION
SEMESTER
5
SUBJECT CODE & NAME
BCA5010- WEB DESIGN
Qus:1 Explain the working principle
of Domain Name System
Answer: The DNS is a distributed, scalable
database of IP addresses and their associated names. It is distributed in the
sense that unlike the hosts file, no single computer contains all the DNS
information in the world. The DNS data is distributed across many name servers.
All messages in the Domain Name System protocol use a single format. This
format is shown in Fig. This
Qus:2 Explain
the process steps of developing web site.
Answer: The creation and maintenances of
website broken down into a process of steps. Following these steps will
immensely help you to build a website. All the steps in website creation and
maintenance required and effort, but they don’t necessary involve any technology
for
Qus:3 Briefly explain the structure
tags of HTML document
Answer: A markup language like HTML is
simply a collection of codes/elements tags that indicate the structure and
format of a web document. How do you instruct the browser to display the page
the way you want it to be displayed? Tags are the mechanisms for attaining this
end. The various tags that you put in the html document will serve as commands
to the browser, which will
Qus:4 What are the different levels
of Document Object Model?
Answer: DOM is an Application Programming
Interface (API). It provides a platform where programming languages can
"talk" to HTML and XML documents. Usually the programming language
that does the talking by using JavaScript. The work of DOM is to represent all
the attributes of
Qus:5 Explain different file system
functions available in PHP.
Answer: The real power of PHP comes from
its functions. In this section we will discuss about how to create and calling
a PHP function and how to pass parameter in a function, Get and post function
of
Qus:6 What are the different types
of JavaScript Datatypes?
Answer: Java script is a programming
language with direct support to object oriented methodologies. We can use
JavaScript to perform a variety of functions on your website. Some of the
functions are just functional, while the others are greater in nature,
providing interactivity for our website visitors.
JavaScript gives HTML
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