1. a) Define Algorithm. Explain the characteristics of a good algorithm.

b) Draw a flowchart to find the largest of three numbers.

(OR)

2. a) What are the different types of operators available in C? Explain with examples.

b) Explain the structure of a C program with an example.

3. a) Write a C program to check whether the given number is prime or not.

b) Explain about different types of loops available in C with suitable examples.

(OR)

4. a) Write a C program to generate the Fibonacci series up to a given number ‘n’.

b) Explain different types of conditional statements available in C with suitable examples.

5. a) Define an array. Explain different types of arrays with examples.

b) Write a C program to sort the elements of an array in ascending order.

(OR)

6. a) What is a string? Explain different string manipulation functions with examples.

b) Write a C program to check whether the given string is palindrome or not.

7. a) What is a function? Explain different types of user-defined functions with examples.

b) Write a C program to calculate the factorial of a number using recursion.

(OR)

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8. a) What are formal and actual arguments? Explain the concept of call by value and call by reference with examples.

b) Write a C program to swap two numbers using pointers.

9. a) What is a structure? How to declare and initialize a structure? Explain with an example.

b) Explain the difference between structures and unions.

(OR)

10. a) Explain different file handling functions in C with examples.

b) Write a C program to copy the contents of one file to another file.