Plz share the McQ's of paper.

Few of which I can recall are,

1.DFD is used to represent?
2.which sorting algorithms have same best and worst case?
3.which sorting algorithm have the least best case complexity?
4.which sorting algorithm have the most worst case time complexity?
5.smoke algorithm has the advantage?
6.combining multiple objects and classes is known as?
5.abstraction means?
6.a technique in which a large problem is divided in several small sub parts and then solved?
7.what diagram is used to represent a system?