Download JNTUA B.Tech 1-1 R15 2017 Dec Supple 15A05101 Computer Programming Question Paper

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Code: 15A05101

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R15

B.Tech I Year I Semester (R15) Regular & Supplementary Examinations December 2017

COMPUTER PROGRAMMING

(Common to CE, EEE, CSE, ECE, ME, EIE and IT)

Time: 3 hours

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(Compulsory Question)

Answer the following: (10 X 02 = 20 Marks)

1. Differentiate between algorithm and program.
2. What is the main difference between variable and constant? List any two constants used in C.
3. Explain pointer to an array with an example.

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4. Define break and continue statements along with their syntax.
5. What is meant by storage class of variable?
6. What is pointer? Give its General form.
7. Write any two differences between union and structure.
8. What is the use of typedef?

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9. What is a pre-processor?
10. What role does the fseek() plays and how many arguments does it Have?

PART - B

(Answer all five units, 5 × 10 = 50 Marks)

UNIT - I

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1. What is an Algorithm? Write an algorithm to compute factorial of a number n where n ≥ 0.

   OR

   Explain the following operators: (i) Arithmetic operator. (ii) Relational operator. (iii) Logical operator. (iv) Increment & decrement operator. (v) Conditional operator.

NIT-II

3. What do you mean by a loop? Explain the difference between the do loop, while loop, and for loop with the help of an example.

   OR

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5. (a) Write a C function for searching an element in an array of size N. Assume that elements in array are stored in ascending order. (b) Explain the declaration int (*p (char *a))[10].

UNIT - III

6. What is meant by the scope of variables and summarize types of storage class in C?

   OR

7. Write a program to assign any number at random to an integer variable k and display the same through pointer.

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UNIT - IV

8. What is the difference between a structure declaration and a structure initialization?

   OR

9. Define a function & explain why function prototype is essential.

UNIT - V

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10. Write different built-in (library) functions provided by 'C' language for handling I/O operations on files.

    OR

11. What are the features of C preprocessor? Give the differences between macros and functions.

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