Download JNTUH MCA 1st Sem R17 2018 June-July 841AC Computer Programming Using C Question Paper

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Code No: 841AC R17

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA I Semester Examinations, June/July - 2018

COMPUTER PROGRAMMING USING C

Time: 3hrs Max.Marks:75

Note:

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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.

PART - A

5 x 5 Marks =25

1. What are the different data-types in C? 5

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2. List out some mathematical functions. 5
3. What are advantages and disadvantages of pointers? 5
4. What is data conversion? 5
5. Write about method for opening a file. 5

PART -B

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5 x 10 Marks =50

1. Discuss about computer systems.

   Explain the procedure to create and run the programs. [5+5]

   OR

   Discuss about C tokens.

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   Explain operator precedence. [5+5]

2. Differentiate between While and Do-While.

   Compare goto, break, continue. [5+5]

   OR

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   What is recursion? Explain with an example program.

   What are storage classes? [5+5]

3. How do you initialize 2-dimensional array? How do you pass on 2-dimensional array as argument to a function?

   Explain array of pointers. [5+5]

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   OR

   Explain passing array as an argument to a function.

   Write a C program to print the smallest and largest elements in an array. [5+5]

4. What is the enumerated data-type? List down the conditions for using enumerated data-type in a program.

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   Write a C program to sort strings. [5+5]

   OR

5. Explain structure initialization and array of structures.

   What are command-line arguments? [5+5]

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6. What is a file management? What are the modes of opening a file?

   Explain different ways of accessing files. [5+5]

   OR

   Explain different file input, output functions.

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   Write a program to create a file to store and retrieve strings using fputs() and fgets().[5+5]

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