Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 4th Sem (Fourth Semester) Regulation-R15 2022 March-April 824AA Marchapril Web Technologies Previous Question Paper
R20
Code No: 824AA
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA IV Semester Examinations, March/April - 2022
WEB TECHNOLOGIES
Time: 3 Hours
Max.Marks:75
Answer any five questions
All questions carry equal marks
- - -
1.a)
Explain various Loop Control Structures in PHP with syntax.
b)
Develop a PHP program to connect MySQL database and perform DML operations.[7+8]
2.a)
Explain String operations in PHP with an example.
b)
Develop a PHP program to count the number of lines, words, character in the given file.
[7+8]
3.a)
What is a Parser? Compare and Contrast DOM and SAX Parsers.
b)
Explain with an example, how can you check an XML document is both valid and well
formed document?
[7+8]
4.a)
What is a XML? Explain its features.
b)
Explain document object Model.
[7+8]
5.a)
Explain the Servlet architecture and the various life cycle methods invoked by the servlet
container.
b)
List and explain the classes of javax.servlet package.
[8+7]
6.a)
Write and discuss a Servlet program for reading Servlet parameters and Reading
initialization parameters.
b)
What is Session? Discuss how the Session management is supported by Servlets? [8+7]
7.a)
What are JSP Directive Elements? Discuss each of them with an example.
b)
Explain how error handling and debugging will be done in JSP.
[8+7]
8.a)
Discuss in detail the predefined methods of DATE and STRING objects of Java Script with
an example.
b)
Write about JavaScript operators.
[8+7]
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This post was last modified on 17 March 2023