Download AKTU B-Tech 4th Sem 2014-15 Hydraulics and Hydraulic Machines Question Paper

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

R18 B.Tech I Year I Semester Examinations, December - 2018

COMPUTER PROGRAMMING IN C

(Common to EEE, ECE, CSE, EIE, IT, MCT, ETM, MMT, AE, MIE, PTM, CEE, MSNT)

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Time: 3 hours 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.

PART - A (25 Marks)

1. Answer all questions

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   1. What is an algorithm? List the properties of an algorithm. [2M]
   2. Define keyword. List out any four keywords in C. [3M]
   3. Explain the difference between 'while' and 'do-while' loop. [2M]
   4. Write a C program to print the factorial of a given number using recursion. [3M]
   5. Define pointer. How can you declare a pointer? [2M]

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   6. Differentiate between structure and union. [3M]
   7. What is preprocessor? List out any four preprocessor directives. [2M]
   8. How to open and close a file in C? Explain with example. [3M]
   9. What are command line arguments? [2M]
   10. What is meant by type conversion? How is it useful? [3M]

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PART - B (50 Marks)

(Answer any one full question from each unit)

UNIT - I

1. a) Explain the different types of operators used in C language. [5M]

   b) Draw a flowchart to find the largest of three numbers. [5M]

   OR

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2. a) Write an algorithm to find the roots of a quadratic equation. [5M]

   b) Explain about the different data types available in C language. [5M]

UNIT - II

1. a) Explain the concept of nested if-else statement with example. [5M]

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   b) Write a C program to generate prime numbers between 1 and n. [5M]

   OR

2. a) Explain the difference between 'break' and 'continue' statements with example. [5M]

   b) Write a C program to check whether a given number is Armstrong number or not. [5M]

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UNIT - III

1. a) Explain the concept of call by value and call by reference with example. [5M]

   b) Write a C program to find the sum of diagonal elements of a matrix. [5M]

   OR

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2. a) Write a C program to sort an array of elements using bubble sort technique. [5M]

   b) Explain the concept of multidimensional arrays with example. [5M]

UNIT - IV

1. a) Explain how to declare and initialize a structure with example. [5M]

   b) Write a C program to store student information using structure. [5M]

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   OR

2. a) Explain the concept of pointers to structures with example. [5M]

   b) Write a C program to demonstrate the use of unions. [5M]

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UNIT - V

1. a) Explain the different file opening modes in C. [5M]

   b) Write a C program to count the number of characters, words and lines in a file. [5M]

   OR

2. a) Explain the concept of dynamic memory allocation with example. [5M]

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   b) Write a C program to copy the contents of one file to another. [5M]

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