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

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Code No: 821AH R15

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA 1I Semester Examinations, October/ November - 2020

SCRIPTING LANGUAGES

Time: 2 Hours Max.Marks:75

Answer any five questions

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All questions carry equal marks

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. a) Illustrate the Control Structures supported by Perl with syntax and examples. [15] b) Discuss about various security issues in Perl in detail.
3. a) What is Dirty Hands Internet Programming? [15] b) Illustrate the concept of string interpolation in PHP with an example.
4. a) Distinguish pass by value and pass by reference mechanisms in PHP. [15] b) Explain about Database based and IP based authentication methodologies. [15]

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5. 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]
6. a) What are the benefits of Visual Tool kit? Discuss about the concept of Events and Binding in tk. [15] b) Describe Exception Handling Mechanism in Python with suitable examples. [15]

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