JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech IV SCRIPTING LANGUAGES Previous Question Paper (November/December - 2018 - R15)
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.
PART A
List the Uses for Scripting Languages.
Answer
Scripting languages are primarily used for automating repetitive tasks, managing system administration, creating dynamic web content, and acting as glue code to integrate disparate software components.
Define arrays, list and hashes in Perl.
Answer
Arrays are ordered lists of scalars accessed by numeric indices starting at 0. Lists are the comma-separated values used to initialize arrays or represent data collections. Hashes are associative arrays consisting of key-value pairs, where data is accessed via unique string keys rather than numeric indices.
What is PHP? Why it is used?
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Give a note on Dirty Hands Internet Programming.
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Mention the four authentication methodologies in PHP.
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How to know whether the user has read the email in PHP?
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Why visual tool kits are used? Give an example.
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Draw the structure of a pure TCL application.
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What is Web Scraping? How do you achieve it in Python?
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How will you convert an object to a regular expression in python?
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PART B
Discuss the universe of Scripting Languages in detail.
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Are scripting languages necessary? Justify your answer with an example.
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Using perl program, explain push and pop operations in array implementation.
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Explain how internet applications can be created by using PERL.
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Write a PHP program that throws six dice, generating random numbers between one and six. Display each number as it is thrown, and after six throws, show the sum. Use a for loop to throw the dice six times, using the same variable for each throw.
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Write a program to encrypt and decrypt a text by using PHP Encryption Functions.
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How PHP is used for authentication? Explain with an example.
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Illustrate the steps in building a web site using PHP.
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Explain how TCL support event driven programming with examples.
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Briefly explain the Nuts and Bolts Internet Programming in Tcl.
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Give a brief note on strings and patterns in Tcl.
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List and explain the features of python.
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Define a function in python with its syntax. Explain its basic usage and implementation with a relevant python script.
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How to build Efficient Python Web Systems, and also explain the concept of Web Application Framework with a diagram.
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