Placement Papers - Quanteon solutions

The written test questions are:

1. OS: what is file system? explain the file systems that you are aware of.
2. Html comments ?
3. What is the command to change the directory? (windows/linux).
4. What is the difference between Linux and unix ?
5. Explain pass by value and pass by reference?
6. How to add JavaScript file in the html code?
7. What is process after entering the url in the browser?
8. What is stack, queue, heap? explain when we will use over the others?
9. Difference between singly linked list and doubly linked list.
10. How to find the list is a loop or not?
11. Factorial program.
12. Finding the number is prime or not program?
13. The given array from 0-10, {1, 2, 3, 2, 9, 4, 7, 4, } find the missing numbers?
14. What is polymorphism and explain?
15. Data dictionary.
16. There are 12 marbles, all weigh the same weight except one. How you will find that odd one?
17. The girl age is two times of a boy, the boy age is 4 years. What is the age of the girl after 4 years?
18. The train is moving 600m in 0.5 seconds, then how much distance it will reach after 10 seconds?
19. Y catches fishes 5 times more than the Xcacthes. Total fishes they caught are 48, then how many fishes are caught by X?
20. How to set the class path?
21. How to search the file, which are starting with the letter a?

Program Execution:

1: Printing the number in reverse order.
2: Finding missing number from the array upto the range 0 to 25.

Example: {2, 6, 5, 8, 9, 15}.
Output: 0, 1, 3, 4, 7, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25.

3. Programs related to arrays and strings.