1st PUC Computer Science Lab Programs

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1. Write a program to interchange the values of two variables using a third variable.

2. Write a program to interchange the values of two variables without using a third variable

3. Write a program to find the area and circumference of a circle

4. Write a program to find the area of the triangle given three sides

5. Write a program to convert days into years, months and days

6. Write a program to convert seconds into hours, minutes and seconds

7. Write a program to find the largest, smallest and second largest of three numbers using simple if statement

8. Write a program to input the total amount in a bill, if the amount is greater than 1000, the discount of 8% is given. Otherwise, no discount is given. Output the total amount, the discount and the final amount

9. Write a program to determine whether the year is a leap year

10. Write a program to determine whether the input is lower-case or upper-case

11. Write a program to find the grade of the student

12. Write a program to find sum of digits in a given number

13. Write a program to find the compound interest given amount, rate of interest and time

14. Write a program to determine whether the given number is an Armstrong number

15. Write a program to find the factorial of a given number

16. Write a program to find the sum and average of n numbers of the array

17. Write a program to find the second largest of n numbers in the array

18. Write a program to find the position of an element in the array using linear search method

19. Write a program to sort the elements of the array

20. Write a program to find the sum of two compatible matrices

21. Write a program to find the product of two compatible matrices

22. Write a program to find the sum of all the rows and sum of all the columns in a matrix

23. Write a program to find whether the matrix is a rectangular or a square or a scalar matrix

24. Write a program to determine whether the string is a palindrome

25. Write a program to count the number of vowels and consonants in a string

26. Write a program to find LCM and GCD of two numbers

27. Write a program to find x^y using recursion

28. Write a program to input the number of units of electricity consumed in a house and calculate the final amount using nested-if statement

29. Write a program to check whether a given number is a power of 2

30. consider an array MARKS[20][5] which stores the marks obtained
by 20 students in 5 subjects. Now write a program to:
a) Find the average marks obtained in each subject
b) Find the average marks obtained by every student
c) Find the number of students who have scored below 50 in their average

31. Write a program to input the register number, name and class of all the students in a class into a structure and output the data in a tabular manner with proper heading

32. An industrial organization wants to computerize the allowance calculations.
Given the monthly sales for the salesman, the rules for the calculations are as follows:
i. If the total sales is less than Rs. 10000/- there is no allowance.
ii. If the total sales is between Rs. 10000/- and Rs. 20000/- then the allowance is 10%
of the sales amount or Rs. 1800/- whichever is minimum.
iii. If the total sales is greater than or equal to Rs. 20000/- then the allowance is
20% of the sales amount or 6000/- whichever is minimum.
Write a program using a function to calculate the allowance