1. In a village in each family they give birth to children till they get a boy. If girl child they try again. What is the ratio of boys to girls.

2. How can one application use same API provided by different vendors at the same time?

3. What is web service?

4. List different schema/database objects

5. In which layer is encryption and decryption done

6. How do you find the machine MAC address

7. In an I-node what is not there

a. file type                b. file name             c. size               d. owner

8. Implement the dictionary datastucture with features

* autocorrect
* autocomplete
* spellcheck

9. What is the difference between COM and CORBA?

10. Algorithm to partition set of numbers into two s.t. diff bw their sum is min and they hav equal num of elements

11. In 1000 wine bottles stack 10 are poisoned given 10 rats what is the minimum number of tries to find the poisoned one. Rat dies once it licks the poisoned wine.

12. Descride the language in the following regular expression (a*a) b+b

13. Write a single command to find and delete all the files that are older than 1 day(modification time)

14. List the two advantages of views

15.  Write the set operators that are used for select