Jawaharlal Nehru Technological University Hyderabad 2011-5th Sem M.C.A Code No: MC409 Iester s y/ PERLPROGRAMMING - Question Paper

1. a) discuss about File Test Operators.
b) Differentiate ranging from if and unless control statements of Perl.
c) Briefly discuss about backslash interpolation.
2. a) How do you activate Perl debugger?
b) discuss Debugger Customization.
3. discuss a few of the Perl functions by category.
4. a) discuss about Character classes and quantifiers for regular expressions in Perl.
b) Briefly discuss about alternation in trends.
5. a) discuss the subsequent
i) Parsing references with examples
ii) Syntax and Semantics
b) Write a Perl subroutine that takes a text string as input parameter and returns the frequency of occurrences of different words in the text as hash
6. a) What is a Reference?
b) discuss the process of creating hard references.
7. a) What does CGI Stand for?
b) Why do so many people use it for CGI?
c) Briefly discuss about CGI Forms.
8. discuss about the subsequent in detail with example
a) Here Docs
b) E-Mail

Earning:   Approval pending.