Download JNTUH MBA 2018 Jan 2nd Semester C Programming Question Paper

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Question Paper Code: CMB312

MBA II Semester End Examinations (Supplementary) - January, 2018

Regulation: R16

C Programming

(Master of Business Administration)

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Time: 3 Hours Max Marks: 70

Answer ONE Question from each Unit

All Questions Carry Equal Marks

All parts of the question must be answered in one place only

UNIT I

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1. (a) Explain the following with one example each. [7M]
   1. i. Arithmetic operator
   2. ii. Relational operator
   3. iii. Logical operator
   (b) Design an algorithm to input temperature in degree Fahrenheit (F) and convert it to degree Centigrade(C) using the following formula: [7M]

   C = (F-32) X

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2. (a) Design a flow chart to check whether the given number is even or odd. [7M] (b) Exemplify the iterative statements supported by C Language. [7M]

UNIT - II

1. (a) Differentiate call by value and call by reference usage to swap two numbers [7M] (b) What is an array? How 1-d and 2-d arrays are declared and initialized. Give example for each. [7M]
2. (a) List and discuss the categories of functions considering the parameter passing and return values. [7M] (b) Develop a C program to find the sum of principal diagonal elements of a square matrix. [7M]

UNIT - III

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1. (a) Explain the following string handling functions with proper examples: [7M]
   1. i. strcat()
   2. ii. strstr()
   3. iii. strcmp()
   (b) Evaluate the following [7M]

   
   main()
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   {
   int *ptr;
   int arr[]=1,2,3,4;
   ptr=arr;
   printf("%d%d",arr[2],ptr[2]);
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   } 

   
   main()
   {
   int a=10;
   int *ptr=&a;
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   void *vptr=ptr;
   *ptr++;
   *vptr++;
   printf(“the values are %d%d",*ptr,
   vptr);
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   } 

2. (a) Discuss the following with suitable examples [7M]
   1. i. Array of pointers
   2. ii. Pointer to function
   (b) List the functions used for various memory allocations supported by C and give one example for each. [7M]

UNIT - IV

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1. (a) Discuss how structures and unions are declared, initialized and its members accessed. [7M] (b) Write short note on the following [7M]
   1. i. typedef
   2. ii. enumerations
   3. iii. bit fields
2. (a) Develop a C program which does the following: [7M]

   Define a structure 'student' with details like student name, marks for 3 subjects and total marks. Read marks for 3 subjects of 'n' students. Calculate the total mark of each student and store them. Display the details of the student who scored the highest marks.

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   (b) Give a typical example for nested structures, arrays of structures, and arrays within structures. [7M]

UNIT - V

1. (a) Discuss the following file handling functions with suitable examples. [7M]
   1. i. fread()
   2. ii. fwrite()
   3. iii. fseek()

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   4. iv. ftell()
   (b) Develop a C program to create two files STD-DETAILS (Student Name, Student ID, and Semester) and STD-MARKS (Sub1, Sub2, and Sub3). Concatenate the two files and display the contents from the concatenated file [7M]
2. (a) Discuss the primary advantages of using a data file. Describe various file operations and demon- strate the various file accessing modes. [7M] (b) A file named DATA contains a series of integer numbers. Code a 'C' program to read these numbers and then write all 'odd' numbers to a file to be called ODD and all 'even' numbers to a file to be called EVEN. [7M]