Download JNTUH MCA 2nd Sem R15 2018 June-July 821AH Scripting Languages Question Paper

Code No: 821AH R15

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA II Semester Examinations, June/July - 2018

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SCRIPTING LANGUAGES

Time: 3hrs Max.Marks:75

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.

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PART - A

5 x 5 Marks = 25

1. What is scripting language ? Give the short note on the properties that differentiate scripting languages from programming languages. [5]
2. Explain very briefly about an essential features of PHP language? Mention the various limitations of PHP. [5]
3. With the help of an example, explain about the authenticating users by IP address in PHP? [5]

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4. Explain about how TCL is an Event Driven Programming language? [5]
5. What is a module in Python? Illustrate with an example about how to create and use the module in Python? [5]

PART -B

5 x 10 Marks = 50

1. Explain how web is one of the most fertile areas for applications of scripting languages? What are the regular expressions?” Explain about pattern matching and substitution operators in PERL? [5+5]

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   OR

   Explain about essential application areas of scripting languages. Explain various control statements in PERL with suitable examples. [5+5]

2. Explain the following file handling functions in perl:

   1) open () i1) tell () 111) seek ()

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   Write a perl program to copy the content of a file to another file. [6+4]

   OR

   With the help of an example, explain how perl is used to create internet ware applications?

   Write a php code to include the list of items in the ordered form into web page? [5+5]

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3. Explain the different types of errors in PHP with suitable examples.

   Explain the procedure to send an email using PHP? Give an illustrative example. [5+5]

   OR

   Describe the process to build and bring a website ‘live’ on the World Wide Web using PHP. [10]

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4. Write a TCL script to check the given number is palindrome or not.

   Explain about security issues while using TCL on developing web applications. [5+5]

   OR

   Explain perl tool kit ? Explain how it is different from Tcl/Tk. [10]

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5. Explain with an example about any TEN built-in functions in Python. [10]

   OR

   Describe the exception handling in Python?

   Explain the following statements.

   1) Import....as i1) Form .... import. [5+5]

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