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Posted Date: 09 Jun 2012 Posted By:: Gili Gails Member Level: Bronze Points: 5 (Rs. 1)
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2012 Jawaharlal Nehru Technological University, Hyderabad B.Tech I Year Examinations JNTUH, May/June -2012 COMPUTER PROGRAMING AND DATA STRUCTURES Question paper
Code No: 09A1EC01 R09
B.Tech I Year Examinations, May/June -2012
COMPUTER PROGRAMING AND DATA STRUCTURES
(Common to all Branches)
Time: 3 hours Max.Marks:75
Answer any 5 questions
All questions carry equal marks
1.a) Explain and specify the interactions between various
components that support the basic functionality of computer.
b) Draw a flowchart to check whether a given number is perfect or
not.
c) Describe various categories of computing environments.
[6+4+5]
2.a) What is type conversion? Explain briefly about implicit and
explicit type conversions?
b) An integer is divisible by 9 if the sum of its digit is also divisible by 9.Write
a C program that prompts the user to input an integer .The program
should then output the number and a message stating whether the
number is divisible by 9.
[8+9]
3.a) What is a storage class? Explain various storage classes in C with examples.
b) Explain the differences between call-by-value and call-by-reference with
suitable examples.
[Marks:8+7]
4.a) Explain how strings are declared and initialized in C?
b) What are the arithmetic operators that are permitted on pointers?
c) Writ ea C program to reverse the string passed as an argument that cannot
be altered.
[Marks:4+4+7]
5.a) What is self referential structure? How it differs from nested structures.
Explain with an illustrative example.
b) Write a short note on typedef and enum.
[Marks:9+6]
6.a) What are the ways to set the file pointer randomly in a file? Explain.
b) Write a C program t copy contents of one file to another.
[Marks:8+7]
7.a) Write a C program for binary search using recursion to find a given integer
in an array of n elements.
b) Illustrate the results for each pass of selection sort, for the following array of
elements 2,3,78,5,46,32,56,8,100,9.
[Marks:8+7]
8.a) Write a C program to demonstrate the operations of a circular queue using
arrays.
b) Explain the procedure for converting infix expression to postfix expression
with an example routine.
[Marks:8+7]
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