Cognizant Interview Experience - Salt lake, 20-02-2019
Aptitude Test : This comprised of 4 sections - english, logical reasoning, numerical ability and coding. This was conducted my amcat. So I would say if you have given amcat papers previously, you have an advantage as a few questions do repeat.
English section was very easy comprising of two comprehensions followed by a few questions based on it, a few synonymns and grammar questions.
Logical reasoning had questions on inequality, a very simple puzzle, two or three blood relation questions, odd one out, number series, 2-3 questions on coding decoding.
Numerical ability comprised of questions on time and distance, number series, average, quadratic equations, indices and surds, si and ci, percentages and ratio proportion.
Practising aptitude papers will do the trick so nothing to be worried about as the level of questions ranges from easy to medium. Only the time is the difficulty. You really have to calculate fast other than that the questions are all solvable. So just be quick from the very beginning and you can do it all. I solved all the questions in english and in reasoning and numerical ability I had to leave 2 or 3 questions as time was over.
Coding part comprised of 7 questions which had to be solved in 20 minutes in automata. 6 of them were debugging questions and 1 was a code to be written. I solved 3 debugging questions with all the test cases running properly. And I tried 2 more debugging questions which dint run for all the test cases, so my code was partly correct I would say. 20 mins was really difficult. Questions were on patterns, strings, arrays and pointers. The level was moderate to tough.
I cleared the aptitude test and was called for the interview on 20th Feb.
My interviewer was really very friendly and I had a great experience. I am from ECE but I wasnt asked any questions from there. Rather I was asked questions on c and java.
Questions : What are pointers?. Why do we need them?
What are recursions and when do we use it?
Difference b/w c and java.
Describe inheritence and polymorphism giving example from real life scenarios also stating the methods. I was asked not to give the exanple of grandfather - father relation in case of inheritence but something original. He just tried to understand if my concept was clear and he was satisfied with the answers I gave.
What is class?
What are objects ?
Difference b/w methods and functions. (They are the same thing, methods we call in java and functions in case of c).
Asked me to write a code to print the initials of my name and my surname.
I/p : Amit Kumar Yadav.
O/p : A. K. Yadav.
I was asked to explain each step in my code.
He asked me if I knew dbms to which I answered no (I had only mentioned C and Java in my CV and I didn't know dbms).
What is your final year project all about?
Results were announced and I cleared the inteeview. Next was HR round.
Tell me about yourself.
Why should we hire you ?
What do you know about our company?
Only 3 questions were asked and this time the interviwer wasnt much friendly and he was in a hurry to finish the interview.
Results have not been announced. I hope and pray that I get selected. And to everyone reading this I would say just stay true to your CV and keep the basics clear and you will have a great interview. All the very best.
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