Download JNTUH MCA 2nd Sem R17 2020 November 842AC Scripting Languages Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 2nd Sem (Second Semester) Regulation-R17 2020 November 842AC Scripting Languages Previous Question Paper


S OCT 2020






R17

Code No: 842AC















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

----


1.a)

What is the need of chop( ) and chomp( ) functions in PERL? Illustrate with an
example.

b)

Explain the different types control statements available in Perl with syntax and example
script.



















[7+8]


2.a)

Illustrate the concept of creating and using packages and modules in Perl.

b)

Give the syntax of pack( ) and unpack( ) functions in Perl and explain.



[7+8]

used


3.a)

Discuss about PHP's File-Upload functions in detail.

b)

Explain the procedure to ping a server in PHP with an example script.



[7+8]


4.a)

Explain uplevel, eval, global commands in Tcl with example.

b)

Demonstrate how to encrypt and decrypt data using MCrypt.





[7+8]


5.

Explain about exception handling mechanism in python with an illustration.

[15]


6.a)

What is a subroutine? How to define and call a subroutine with arguments in PERL?
Explain in detail.

b)

Write a Perl script to sort the elements of an array.







[7+8]



7.

Describe various data structures available in Perl.







[15]


8.

Explain the four types of authentication methodologies in PHP and also mention their
merits and demerits.















[15]




---oo0oo---

This post was last modified on 17 March 2023