Download JNTUH MCA 1st Sem R15 2019 April-May 821AC Computer Programming Using C Question Paper

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Code No: 821AC R15

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA I Semester Examinations, April/May — 2019

COMPUTER PROGRAMMING USING C

Time: 3hrs Max.Marks:75

Note: This question paper contains two parts A and B.

Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.

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PART - A

5 x 5 Marks =25

1. a) What is flowchart? Explain different symbols used for flowchart. [5]
2. b) Explain continue and break statements in C. [5]
3. c) What is array? How to declare array? Explain applications of array. [5]

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4. d) Explain declaration and initialization of array of strings. [5]
5. e) How does the fopen () works? Explain it with example. [5]

PART -B

5 x 10 Marks =50

2. Draw the flow chart and write the algorithm to find the roots of a quadratic equation for all the cases. [10]

   OR

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3. Discuss about the following operators in C language with example a) Bitwise operators b) Increment and decrement operators c) Logical operators [10]
4. Explain about switch statement and Write a program to perform arithmetic operations using switch. [10]

   OR

5. a) What is recursion? What are the advantages and disadvantages of recursion? b) Write a C program to find the factorial of a numbers using recursion. [10]

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6. Write a C program to print the multiplication table for numbers 1 to n using two dimensional arrays. [10]

   OR

7. a) Explain the concept of array of pointers with examples. b) Explain the declaration of pointers and pointer to pointer with examples. [10]
8. a) Discuss command line arguments in detail with examples. b) How to copy and compare structure variables? Illustrate with example. [10]

   OR

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9. Write a C program to find the length of a string and reverse the given string without using string handling functions. [10]
10. Write a C program to display the contents of the file in reverse order. [10]

    OR

11. Explain the following file handling functions: a) fseek() b) ftell() c) rewind() d) feof() [10]

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