Download JNTUH MCA 1st Sem R15 2018 January 821AC Computer Programming Using C Question Paper

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Code No: 821AC R15

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA I Semester Examinations, January - 2018

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) Write a program to convert the Fahrenheit into degree Celsius. [5]

2. b) Explain the recursive function with an example and also give its limitations. [5]

3. Explain the drawbacks of pointers in detail. [5]

4. Explain the functions of read and write characters. [5]

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5. Explain about the rewind () with an example. [5]

PART -B 5 x 10 Marks =50

6. Explain the classification of computer software. [10]

OR

7. Explain the different types of operators are used in C. [10]

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8. Explain about user defined functions and inter function communication. [10]

OR

9. Write a program to find the GCD of given numbers by using functions.

10. Explain the type qualifier with an example. [5+5]

11. Write a program to read a matrix and displays sum of the elements below the main diagonal. [10]

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OR

12. Explain the pointers for inter function communication

13. What is an array? Explain how is an array represented in memory. [5+5]

14. Write a program to read and display the information of all the students in the class. Then edit the details of the i^th student and redisplay the entire information by using structures. [10]

OR

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15. Write a program that uses a structure called date that has is passed to an isLeapYear function to determine if the year is a leap year. [10]

16. Explain the different types of File modes in C. [10]

OR

17. Write a program to compare two files to check whether they are identical or not. [10]

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