Preguntas de entrevista de Graduate hardware engineer

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Imagination Technologies
A un Graduate RTL Hardware Design Engineer le preguntaron...16 de noviembre de 2012

There are 5 holes in a line, and there is a rat in one of it. Each turn the rat will move either left or right, but never stay in the same hole, and each turn you can check one hole. The holes are in a line so when the rat reach one end, it must move back in the next turn. What is your strategy to catch that rat?

3 respuestas

start with middle move to 2nd and check twice and move to 3rd and then 4th and check 4th twice.. right? OR you start anywhere just move sequentially and check 2nd and 4th place twice Menos

middle to 2nd not needed

Keep checking middle one, worst case delay is 4 check, and you should find it by then!! Menos

Cirrus Logic

Basic to advanced digital questions. Started with Flip flop - latches, memory, pipeline, FSM, writing a c program, timing analysis.

2 respuestas

Thanks

Thanks

Arm

The question mostly related to your relevant experience as well as the skill required for the role.

1 respuestas

1. Recommending check Arm career website for the requirement. Revise for the interview according to both essential and desirable skills listed on the position recruitment page. 2. Make sure you know everything about your relevant projects. Menos

Imagination Technologies

Q: How to check if an 80-character long string is parenthesis balanced?

1 respuestas

A: Use stack to push and pop~~~

Arm

Write a code in any programming language to square every second number in a list and then add all the numbers in that list. 1h given for this task. The subsequent question asks about your solution, what was the approach, method, and what would you do differently.

1 respuestas

Program an alarm system in VHDL or Verilog. 1h given for this task. The subsequent question asks about your solution, what was the approach, method, and what would you do differently. Menos

Arm

'tell us what you know about ARM'

1 respuestas

There's a lot of elements to typically cover in these questions, clarifications, scoping, making sure you're answering the actual question the interviewer is looking for you to answer, etc. Could be worth doing a mock interview with one of the Prepfully Arm Graduate Hardware Engineer experts... they've worked in the role so they clearly know how to get through the interview. prepfully.com/practice-interviews Menos

Arm

What do you know about ARM and specifically about their products?

1 respuestas

Explain what is pipeline and its steps

Imagination Technologies

Q: How to multiply a number by 2? by 7? by 14?

1 respuestas

A: Shift the number left by one bit to multiply by 2. Shift the number left by 3 bit (*8) and minus the original number (*1) to multiply by 7 Similar for *14 ==>*( 16-2) Menos

Imagination Technologies

Q: How to implement a 3-bit LFSR and build your output logic with it? If there is some brief state '111' that only lasts a really short time, what is the most possible reason it would be? When is it most likely to happen? How to amend this circuit?

1 respuestas

A: With hints, I concluded that there may be glitches in the output logic (a and gate). i.e. each d type does not update their values simultaneously. To fix this, just have an extra flip flop at the output. Menos

Arm

Two questions regarding MOSFETs, 1. The first question was to identify a MOSFET circuit, 2. The Second was to explain the difference between the parameters of two of the MOSFET devices in the circuit. 3. The third question was to write down sample code for a scenario.

1 respuestas

I pretty much nailed the first but screwed up the second only to realise the correct answer after i left. For the third question, I can't remember the actual question or the answer i gave. Menos

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