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IGNOU UNIVERSITY MCA - I (SEM 1) JUN 2010 : Problem Solving and Programmin

3 pages, 18 questions, 1 questions with responses, 1 total responses,

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No. of Printed Pages : 3 mcS-on I MCA (Revised) O O O Term-End Examination June, 2010 MCS-011 : PROBLEM SOLVING AND PROGRAMMING Maximum Marks : 100 (Weightage 75%) Time : 3 hours Note : Question Number 1 is compulsory. Attempt any three questions from the rest. 1. (a) Write a program in C to search a record in 10 an existing file and to update it. Explain the concept of array of pointers. 10 Using pointers write a program to test whether the given string is a palindrome or not. Differentiate between Various storage classes 6 Structure and union 4 (d) Why C is called a middle level language ? 10 Give a flowchart to explain the program execution process. Explain each step in detail. MCS-011 1 P.T.O. 2. 8 (a) Write a program to search an element in a given list of elements using linear search. Write a recursive program to calculate the factorial of a given number. Give an example to explain null pointer assignment. 8 4 3. 5 (a) Write a program in C to find the multiplication of 2 matrices of size (3 x 3). (b) Write a macro for the following : 4x2=8 to find largest number among 3 given numbers. to find cube of a given number. (c) Write a program in C, using structures to 7 generate a report for students which displays Roll No. and Name of student, total marks obtained by the student. Assumptions can be made wherever necessary. 4. (a) Write a program and flowchart to display the following pattern : H He HeL HeLL HeLLO HeLL HeL He H MCS-011 2 8 Write a macro to demonstrate : 6 #define, #if, #else preprocessor commands. Write a program in 'C' to find 1 2 +3 2+ 5 2+ 72 +9 2+ 5. 6 +N2 (a) Write a program to append the contents of second file to the contents of first file. 7 Explain the difference between a top-down approach and a bottom-up approach in programming. 5 What do you understand by a decision- control statement ? Give an example of each. 8

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Additional Info : Mca - I(sem 1) June 2010 Question Paper - Problem Solving and Programming (Revised Course)
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