Download JNTUH MCA 2nd Sem R17 2019 December 842AC Scripting Languages Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 2nd Sem (Second Semester) Regulation-R17 2019 December 842AC Scripting Languages Previous Question Paper

R17

Code No: 842AC















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA II Semester Examinations, December - 2019

SCRIPTING LANGUAGES

Time: 3hrs













Max.Marks:75

S

Note: This question paper contains two parts A and B.

Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries
10 marks and may have a, b, c as sub questions.



PART - A



















5 ? 5 Marks = 25



1.a) Differentiate between scripting language and programming language.



[5]

b) Illustrate the significance of tied variables.









[5]

c) What type of care is required in PHP file handling?







[5]

d) Write about globbing for pattern matching in Tcl.







[5]

e) Which features of Python have made it a most preferred language in market?

[5]



PART - B

















5 ? 10 Marks = 50

2.a)

Discuss the simple uses of regular expressions.

b)

Explain List and hashes in PERL.













[5+5]

OR

3.a)

Demonstrate the creation and implementation subroutines in PERL.

b)

What are the two ways Perl allows execution of shell commands?



[5+5]


4.

How Perl provides interfacing to the operating system? Explain with illustrations. [10]

OR

5.

Discuss the need of internet ware application. Give examples and explain its creation
process in detail.

















[10]


6.

Explain PHP functions that are used to implant authentication procedures.

[10]

OR

7.a)

Write a PHP program to wish the user based on the current time, good morning, good
afternoon, good evening and good night.( use regular convention)

b)

List the data types of PHP language.











[5+5]


8.

Does Tcl support event-driven programming? Explain your answer with necessary
program.



















[10]

OR

9.a)

What are the different ways of termination of a Tcl command? Quote examples.

b)

List the Tcl commands related to procedures and strings.





[5+5]


10.

Describe exception handling in Python and give illustrations.





[10]

OR

11.

Construct a simple web application using Python to display the customer account balance
if the customer number and password are valid.









[10]



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