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Interview Process   |   Interview Puzzles / Aptitude
Organization : KLA-Tencor
Position : Senior Software Engineer

KLA-Tencor Interview Process

I applied at KLA-Tencor for the post of Senior Software Engineer with the help of a recruiter. The process took some two weeks or more and then I was called for the interview at KLA-Tencor. The hiring process had three technical rounds followed by an HR Interview.

Round 1 - First Technical Interview
The first technical interview started with the basic knowledge and then shifted to more advanced levels. The basic concepts of OOPS were asked and their implementation was asked. A question on the philosophy of OOPS was also asked. There were questions on static keyword, static members and static object. Some other questions:
Q1. Why const key word, const functions and its significance.
Q2. Which data structure is used by compiler to store local variables?

Round 2 - Second Technical Interview
This was more or less the same thing as the previous round. Only they did not start with the basics in this round and focused extensively on the advanced level problems. Some questions around trees were asked and also some questions based on STL and data structures. A couple of algorithms related problems were also given.

Round 3 - Third Technical Interview
This technical round was based majorly on Data Structures and the designing part. I was given about eight scenario based programs for which I had to write pseudo code. They have me a certain scenarios and I was asked to design class for them. Some basic questions related with design patters were asked as well. Some questions on threading, sync objects and search algos were asked too. This interview was pretty long and tiring.

Round 4 - HR Interview
After I was given a green signal in the previous round, I was called for the HR interview. Thankfully, it was just a formality round and I was not asked a whole lot of questions again. The offer was also made in this round and negotiations took place as well. All other aspects were made clear as well. I took the offer.

How to crack (get into) KLA-Tencor Interview

As I have written, there were three long technical rounds especially the last one was so long. Of course I am telling the process for the senior position. If you are a fresher you will definitely be going through an easier process.

So here is the thing. There are no particular pointers I can give you for cracking the KLA-Tencor in general. You have to be ready for extensive range of questions and problems. But yes, they focused much on the data structures and the design part. So you must fore mostly go through that.

The good thing about the interview at KLA-Tencor is that they are trying to hire someone, not reject. So they will be pretty nice with you and may direct you towards the answer many a times if you are performing well. Except for the third technical round, they will also ask you your strong areas and the following questions will be majorly based on that.

The environment at the company is quite good. The interview process was also great. So, prepare hard and try to impress the interviewers. All the best for your interview.

Thanks Anmol for sharing the details of your interview.
Send more details and your personal experiences info@gpuzzles.com
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Logic Math Problem

David and Albert are playing a game. There are digits from 1 to 9. The catch is that each one of them has to cut one digit and add it to his respective sum. The one who is able to obtain a sum of exact 15 will win the game?

You are a friend of David. Do you suggest him to play first or second?

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Crossing The River In Minimum Time Puzzle

Four people need to cross a dark river at night.

* They have only one torch and the river is too risky to cross without the torch.
* If all people cross simultaneously then torch light wont be sufficient.
* Speed of each person of crossing the river is different.cross time for each person is 1 min, 2 minutes, 7 minutes and 10 minutes.

What is the shortest time needed for all four of them to cross the river ?

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Crossing Bridge Brain Teaser

Four friends need to cross a dangerous bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

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IAS Interview Problem

I need to divide numbers from 1 to 9 into two group such that sum of numbers in one group is equal to the sum of other group.
Note : 6 cannot be flipped over to make it 9.

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Cool Equation Riddle

If 1 + 9 + 11 = 1, Then what is the value of

12 + 11 + 9 = ?

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Knockout Matches Logical Problem

Let us say that a table tennis tournament was going on with knock out terms which means the one who loses the match is out of the tournament. 100 players took part in that tournament.

How many matches were played?

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Tough River Crossing Riddle

This one is a bit of tricky river crossing puzzle than you might have solved till now. We have a whole family out on a picnic on one side of the river. The family includes Mother and Father, two sons, two daughters, a maid and a dog. The bridge broke down and all they have is a boat that can take them towards the other side of the river. But there is a condition with the boat. It can hold just two persons at one time (count the dog as one person).

No it does not limit to that and there are other complications. The dog can’t be left without the maid or it will bite the family members. The father can’t be left with daughters without the mother and in the same manner, the mother can’t be left alone with the sons without the father. Also an adult is needed to drive the boat and it can’t drive by itself.

How will all of them reach the other side of the river?

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Impossible Brain Teaser

In a recreational activity, you are given four different jars of 2 liters, 4 liters, 6 liters and 8 liters respectively with an unlimited water supply. Then you are asked to measure exactly 5 liters of water using them.

How will you do it?

By Admin
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Measure Water Supply Brain Teaser

You had an infinite supply of water and a 5 ml and 3 ml gallons.

How would you measure exactly 4 ml in least number of steps ?

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Funny Brain Twister

We all know that New Year occurs after a week from Christmas and thus it falls on the same day as of Christmas. But this will not happen in 2050. In 2050, Christmas will appear on Sunday while New Year will appear on Saturday.

How can this be possible ?

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