Description
SESSION FEB/MAR 2022
PROGRAM MCA
SEMESTER II
COURSE CODE & NAME DCA6203 – WEB TECHNOLOGIES
Set – 1
1. a. What is an IP address? What are its types? Explain.
Ans: IP address stands for internet protocol address; it is an identifying number that is
associated with a specific computer or computer network. When connected to the internet, the
b. What is <img> tag? Why is it used? How can you insert an image with rounded corners?
Ans: In HTML, images are defined with the <img> tag. The <img> tag is empty, which means
that it contains attributes only, and has no closing tag.
Notice that images are not technically inserted into an HTML page, images are linked to HTML
2. a. What is cascading style sheet (CSS)? How can you insert CSS in HTML Page?
Ans: Cascading Style Sheets (CSS) is a style sheet language used to describe the presentation
semantics (the look and formatting) of a document written in a markup language. Its most
common application is to style web pages written in HTML and XHTML. Basically Style sheets
b. Explain Location object in JavaScript.
Ans: Location object: The location object is used to allow the programmers to write code to
change the URL of the current page, effectively navigating to a different web page. We can do
this one oftwo ways:
3. a. Explain characteristics of JavaScript.
Ans: JavaScript characteristics Before we start writing in JavaScript, we should understand some
of the features of this language.
a) JavaScript is a scripting language A scripting language is a simple programming language
designed to enable computer users to write useful programs easily. Scripting languages,
b. What is event handling? How can you add an onclick event in HTML page?
Ans: Events are represented by an event object as a member variable of the window object, such
as window. Event handlers are Javascript code that are not include inside the <script> tags, but
rather, inside the html tags, that execute Javascript when some events fire, such as pressing a
Assignment Set – 2
4. a. What is XMLHttpRequest object? Explain with an example.
Ans: HTTPrequests is an API which can be used by web scripting languages like JavaScript,
vbscript, etc. HTTPrequests provides a mechanism for transferring the data either in text or XML
format between web client and the web server.
b. What are PHP variables? How you declare them? What are the naming conventions for
PHP variables?
Ans: A variable is a means of storing a value, such as text string “Manipal Universal Learning”.
A variable can then be reused throughout our code, instead of having to type out the actual value
over and over again. In PHP you define a variable with the following form:
5. a. How can you load XML Data into an HTML Page? Explain with example.
Ans: Loading XML Data into an HTML Page The process of fetching data from an XML files to
be filled in an HTML table, using DSO (Data Source Object) and JavaScript. DSO is an object
that operates like a database on the client side. It will accept information that is organized in a
b. What is a recordset object? Explain with example.
Ans: The ADO Recordset object is used to hold a set of records from a database table. A Record
set object consist of records and columns (fields). In ADO, this object is the most important and
6. a. Explain comparison operators used in PHP.
Ans: In all programming languages, operators are used to manipulate or perform operations on
variables and values. There are many operators used in PHP, so we have separated them into the
b. Write a program in ASP to calculate factorial of a given number using while loop?
Ans: Here is the entire code (Classic ASP Factorial Program):
<html>
<body>
<title>Factorial Program in Classic ASP</title>
<!– form post method –>
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