Placement Papers - Tech Mahindra

Tech Mahindra Ltd.
Tech Mahindra | Placement Paper (Aptitude, Technical) - 21.01.10
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Javeed
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Tech Mahindra  | Placement Paper (Aptitude, Technical) - 21.01.10

Company Name : Tech Mahindra
  Type : Fresher
  Exam/Interview Date : 21-Jan-2010
  No of Rounds : Aptitude Test, Techincal Round-1, Techincal Round-2
  Location : Chennai

Job Interview, Question Paper Writeup. : Hi friends i attended the tech mahindra recruitment process on 21-01-2010. It consist of four rounds
  On line Test  Technical Interview-1  Technical Interview-2  HR 
Online Test consist of 100 questions
  35 Q\'s from logical reasoning-Non verbal  20 Q,s from logical reasoning-Verbal  15 q\'s from quantitative apps  10 Q\'s from reading comprehension  10 Q\'s Englsh-1  10 Q\'s English-2 
The tech-1 interview was very easy the hr\'s tried to get some answers from us they asked only basic and your technical strengths and project and paper presentation .. all the persons who attended this interview were forwarded to next round...


In Tech-2 he asked me the technical strengths(he expects more than three) i told ds,os,c,c++ then he asked me rated myself in those subjects after that he shoot out the following questions

DS
  what is spanning tree  did you heard about Travelling sales man problem  what is shortest path  what is BFS DFS  explain prim\'s algorithm  what is linked list and doubly linked list  What is the advantage and disadvantage of doubly linked list  write the code for finding no of elements in a circular linked list  what are the types of traversals 
OS
  what is shell  what schedulling algorithm is used in Unix  how will you avoid dead lock(Banker\'s algorithm)  what is the difffernce between an interupt and function call  differ between multi user and multitasking  there are two programs one is os and another one is an application, in a single processor system what will be executed only the os or only the application or both the os and application.. and how?  Is there any chance of deadlock in C 
C
  is it possible to store different type of variables in a single array?  int a=10;
   int b;
   b=(&a);
   will it show an error  what are the stoge class in C and tel the scope and life time of it? 
Finally in hr Round
  Intriduce urself  read this bond after that sign it....... 
By : Gowtham KS