Download JNTUH MCA 2nd Sem R17 2022 May 842AC Scripting Languages Question Paper

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Code No: 842AC R17

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA III Semester Examinations, May - 2022

SCRIPTING LANGUAGES

Time: 3 Hours Max.Marks:75

Answer any five questions

All questions carry equal marks

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1. a) What are the features that characterize scripting languages?
   b) What activities does traditional scripting include? Explain. [8+7]
2. a) Illustrate the simple uses of regular expressions in Perl.
   b) Describe semi private variables with illustrations. [8+7]
3. a) Which features of PHP attract both new and expert programmers alike? Explain them.

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4. a) How to aggregate functions together as libraries and include them into the script? [8+7]
   b) With examples, explain complex array manipulation tasks in PHP.
5. a) Discuss validation of web forms. Quote common predefined validation rules. [8+7]
6. a) Explain the configuration directives pertinent to PHP’s mail function and give examples to highlight this function’s usage variations.
   b) How to encrypt data with MCrypt package? [8+7]

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7. a) Illustrate PHP authentication mechanisms.
   b) Create a web page for your department using PHP. [8+7]
8. a) Discuss the fundamental concepts of Tk.
   b) “Eval is a general purpose building block for creating and executing Tcl scripts”. Comment. [8+7]
9. a) How exceptions are handled in Python?
   

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   b) What is a module in Python? Discuss any three modules being widely used by programmers. [8+7]

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