Allfon Whole Testpaper

Allfon Group discussion topics 
1.American the melting point,
2.Your role model
3.Iraq war
4.America the super power
5.Election in u.s
6.Higher studies
7.Favourite star
8.Euro vs doller
9.New york city
in this you have to speak for one minute. you have a lot from this you have to select your topics.
Allfon Aptitude are dead easy
Technical also very easy
Only thing is you have good communication skill.
1. how a thread is created
2. some are part of OSI layer questions
3) some are easy c questions like a swithc case without break statement etc.
4) semaphore is used for
Data structure
1) which is fastest sorting algorithm
2)heaps are from of --->priority queue
which data structure is used to rescue empty space is ---circular queue