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]
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This post was last modified on 17 March 2023