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IGNOU UNIVERSITY MCA - I (SEM 1) DEC 2009 : Problem Solving and Programming

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MCS-011 I MCA (Revised) Term-End Examination 7 . December, 2009 N MCS-011 : PROBLEM SOLVING AND PROGRAMMING Maximum Marks : 100 (Weightage 75%) Time : 3 hours Note : Question Number 1 is compulsory. Answer any three question from the rest. 1. (a) Develop an algorithm, and write a program 10 to print the Fibonacci series upto a given number using recursion. What do you understand by function 10 prototype ? Write a program in 'C' to calculate the GCD of three numbers using the function prototype. List and explain any 5 reserved words of 10 'C' language. Differentiate between call by value and call 5 by reference methods of parameters passing to a function giving an example of each. 5 What will be the output of following 'C' programme ? MCS-011 1 P.T.O. main 0 int i = 1, j = 1; for (;;) if (i > 5) break; else j + = 1; printf ("In %d", j) i + = j; } What do you mean by scope of a variable ? Differentiate between Global and Local variables giving an example of each. 5 Explain the syntax of switch case statement in 'C' language. Also compare the performance of switch case with if else statement. 5 (c) Draw a flowchart and write a program in 10 'C' to convert a decimal number to its octal equivalent. MCS-011 2 (a) What are the precautions that must be taken 10 care to use macros in 'C' ? Define a macro to find the factorial of a given number n ? (b) Write a program in 'C' to find whether a given number is Amstrong number or not. 10 (a) Write program in 'C' for the multiplication of two square matrices. 10 (b) What is pointer variable ? How is a pointer variable declared ? How is the address of a pointer variable determined ? How pointer can be used to pass an entire array to a function in C ? Explain with the help of an example. 10 5. (a) Explain fprintf ( ) and fscanf ( )statements with an example of each. 10 (b) Write a program in 'C' : To reverse a string To copy strl to str2 without the use of stropy function. -o0o- MCS-011 3 10

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Additional Info : Mca - I(sem 1) December 2008 Question Paper - Problem Solving and Programming (Revised Course)
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