Download JNTUH MCA 2nd Sem R15 2020 November 821AH Scripting Languages Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 2nd Sem (Second Semester) Regulation-R15 2020 November 821AH Scripting Languages Previous Question Paper

S OCT 2020



R15

Code No: 821AH















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA II Semester Examinations, October/ November - 2020

SCRIPTING LANGUAGES

Time: 2 Hours













Max.Marks:75



Answer any five questions

All questions carry equal marks

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1.a)

What are the applications of Scripting Languages?







b)

Write a Perl script to find whether given string is a palindrome or not.



[15]





2.

Illustrate the Control Structures supported by Perl with syntax and examples.

[15]











3.a)

Discuss about various security issues in Perl in detail.







used

b)

What is Dirty Hands Internet Programming?









[15]


4.a)

Illustrate the concept of string interpolation in PHP with an example.

b)

Distinguish pass by value and pass by reference mechanisms in PHP.



[15]


5.

Explain about Database based and IP based authentication methodologies.

[15]



6.a)

What are the advantages of Mcrypt Package in PHP? Write PHP script to using Mcrypt
package.

















b)

How to embed a PHP code in to web pages? Explain it with an example.

[15]



7.

What are the benefits of Visual Tool kit? Discuss about the concept of Events and
Binding in tk.

















[15]


8.

Describe Exception Handling Mechanism in Python with suitable examples.

[15]






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