Preguntas de entrevistas para Research engineer

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Yahoo
Se le preguntó a Research Engineer…2 de diciembre de 2011

Reverse a linked list

4 respuestas

reverse DoublyLinkedList(node) { while(node) { printf(node->info); if(node->previous==Null) { printf(node->info); break; } } } Menos

reverse DoublyLinkedList(node) { while(node) { printf(node->info); if(node->previous==Null) { printf(node->info); break; } node =node->previous; } } Menos

reverse DoublyLinkedList(node) { while(node) { printf(node->info); node =node->previous; if(node->previous==Null) { printf(node->info); break; } } } Menos

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WorldQuant

Let a rope of unit length is cut into n pieces. What is the expected length of the smallest piece?

4 respuestas

1/(n*(n+1))

1/(n*(n+1))

1/(n*(n-2))

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Microsoft

How many windows APIs do you remember?

3 respuestas

I'd better be Pleased to use them,learn and enjoy rather than noticing how many API's had been encountered by me!!! Menos

I think what HR is expecting is how would you interpret this question and provide a valid answer of that Menos

Man, we have computer for that.

Huawei Technologies

Technical stuff mostly

2 respuestas

Described whatever I knew

Through questions like this, interviewers are mostly trying to test your skillset (and its relevance to the role) as robustly as possible, so be prepared for multiple offshoots and followups. It could be a useful exercise to do mocks with friends or colleagues in Huawei to get a real sense of what the interview is actually like. Alternatively Prepfully has a ton of Huawei Research Engineer experts who provide mock interviews for a pretty reasonable amount. prepfully.com/practice-interviews Menos

Schlumberger

What's the most adventure you've been through in your life?

1 respuestas

unexpected to me and made me rewinding my memories

Hitachi

engg basics like thermodynamics etc

1 respuestas

Through questions like this, interviewers are mostly trying to test your skillset (and its relevance to the role) as robustly as possible, so be prepared for multiple offshoots and followups. It could be a useful exercise to do mocks with friends or colleagues in Hitachi to get a real sense of what the interview is actually like. Alternatively Prepfully has a ton of Hitachi Research Engineer experts who provide mock interviews for a pretty reasonable amount. prepfully.com/practice-interviews Menos

Microsoft

Design for a google doc style spreadsheet, with a focus on how to handle multiple concurrent edits and formulas on the spreadsheet.

2 respuestas

Described a transactional model for updates.

It's a very common interview question, this article How To Design Google Docs (bit.ly/1RxoUV7) has a detailed discussion about this topic. bit.ly/1RxoUV7 Menos

Saint-Gobain

Why would you like to leave your current job?

2 respuestas

First reason is low salary,the second one is their not given importance to talented people if their not consider the freshers or newly joint team member and also they provide the increment to seniority level only Menos

I'm diploma in EEE department, I'm working in production field, I'm searching to maintance work I'm learning and work for maintenance Menos

Works Applications

Print all possible permutations of string inputs

2 respuestas

Hello, may i know about the detail of your interview time? date? morning or afternoon? because actually i also join at this interview (Bandung, Indonesia) Menos

import java.util.Arrays; import java.util.Scanner; class PermuteString { static int k=0; public static String[] doPermutation(char[] str,int i,int n,String[] s) { if(i==n) { for(int m=0;m Menos

Southwest Research Institute

How would you profile the processor utilization of a process on an embedded system?

2 respuestas

Answered that it could be done using procfs on an embedded linux system with kernel, but the interviewer said it was too high level and that I didn't have an OS which was odd since he said process. I then said a bare-metal program could use systick (or architecture specific implementation) or hardware timers to track WCET timing, still seemed to be an incorrect answer. I thought he might want a software approach and mentioned a few static profiling tools and schedulability calculations, but he didn't want that either. I eventually said you could mask interrupts, assert GPIO and track clock pulses but he didn't seem happy. I've thought this one over a lot but I'm not really sure what he was looking for... Menos

Possibly looking for a hardware solution for a timer / interrupt based process. We've used LEDs turned on/off by software during certain activities. Hook that up to a signal analyzer and you've got a detailed view of the timing. Menos

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