Validation engineer sollicitatievragen

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Intel Corporation
Er werd een Systems Validation Engineer gevraagd...6 mei 2010

You have 8 pennies, 7 weight the same, one weighs less. you also have a judges scale. Find the one that weighs less in less than 3 steps.

13 antwoorden

A better answer: Split the 8 pennies into 3 groups of 3,3,2 pennies. Weight the first two groups of 3 pennies each. Case 1) - They weight the same. Therefore, take third group of 2 pennies and find the lighter coin. Case 2) Group 1 weights more than Group 2. Take group 2 (3 pennies) and pick any 2 out of 3. If they weight the same, then the third penny is lighter. Answer is trivial if they don't weight the same. It works for any scenario. Always split the groups in 3. Minder

Neil has it right. Dave - the question says less than three steps.

I Can do it in one step: Look at the year on the pennies. If 7 pennies weigh the same it means that all 7 were manufactured either before or after 1982, when the mint changed the composition of the coin from solid copper to copper with a zinc core. the one that weighs differently was minted on the opposite side of 1982 as the 7 other pennies. Minder

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NVIDIA

For a 1GHz bandwidth oscilloscope, what will happen if you use it to monitor a 1GHZ square wave. If the Vpp of the square wave is 1V, what's the Vpp of the waveform shown on screen.

6 antwoorden

If you measure a 1Vpp 1GHz signal with a 1GHz bandwidth scope you will see a 700mVpp signal on scope's screen. Bandwidth is rated at 3db roll off point ;-) Minder

It will show a sine wave. The oscilloscope bandwidth should be comparable to the rise and fall time of the square wave.Same question was asked to me. Minder

for a 1Vpp square wave, the amplitude of it's fundamental f0=1GHz component is 2/pi and assume the bandwidth given is 3dB bandwidth then you got half of it original amplitude at 1GHz which is 1/pi Vpp ~= 318mVpp Minder

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Intel Corporation

Conversion from hexadecimal to binary. The brain teaser: You have two cups, one that can hold up to 5 quartz of water and the other 3 quartz. Get me to 4 quartz of water.

4 antwoorden

Fill 3 quartz cup with water, pour it into the 5 quartz cup. Now 5 quartz cup is 3/5th full Again fill the 3 quartz cup and fill the remaining of 5 quartz cup using that. Now 5 quartz cup is full, and 3 quartz cup has 1 quartz water. Empty the 5 quartz cup and pour the 1 quartz water from 3 quartz cup into the 5 quartz cup. Fill the 3 quartz again and pour it into the 5 quartz cup which now has (1+3) = 4 quartz Minder

The key in these questions is to cover the fundamentals, and be ready for the back-and-forth with the interviewer. Might be worth doing a mock interview with one of the Intel or ex-Intel Systems Validation Engineer experts on Prepfully? They give real-world practice and guidance, which is pretty helpful. prepfully.com/practice-interviews Minder

-empty half amount of water from 3 quartz cup. -empty half amount of water from 5 quartz cup. -pour remaining water from 3 quartz cup to 5 quartz cup or vice versa. Minder

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Intel Corporation

technical software and bits questions

3 antwoorden

good

Can you plz discuss more in detail about technical interview and questions on bits. What questions were asked Minder

The key in these questions is to cover the fundamentals, and be ready for the back-and-forth with the interviewer. Might be worth doing a mock interview with one of the Intel or ex-Intel Validation Engineer experts on Prepfully? They give real-world practice and guidance, which is pretty helpful. prepfully.com/practice-interviews Minder

Intel Corporation

What is the difference between find and grep in Unix?

2 antwoorden

Find is to find files within a directory structure, grep can be used to find specific text within files. Minder

Find is used to search for files and folders within a directory whereas grep is used for finding a pattern in a file. Minder

Marvell Technology

what is the cycle time of this circuit give 2 flops and some combi logic in between

2 antwoorden

T>= t(c->q of 1st flop)+ t(delay) + t(setup of second flop) - delta(skew)

Can you elaborate on what questions were asked in Phone interview?

SanDisk

A bear climbs up a very tall tree upto 5 metres and then falls to ground in a second. What is the colour of the bear?

2 antwoorden

Red because of blood stain after falling

Red because of blood stain after falling

Marvell Technology

Sort an array of numbers in O(NlogN) complexity.

2 antwoorden

Implement Merge sort

Quick sort

ALSTOM

What do you know about ARINC 429 protocol in terms of railways security. Rolling stock knowledge etc.

2 antwoorden

ARINC 429 is one of the most prevalent specifications in use today for communicating between avionics components on commercial aircraft. It was created in response to lessons learned from the use of older equipment specified by ARINC 419. If you are new to ARINC-429 you may wish to check out our tutorial below. Minder

ARINC 429 is one of the most prevalent specifications in use today for communicating between avionics components on commercial aircraft. It was created in response to lessons learned from the use of older equipment specified by ARINC 419. If you are new to ARINC-429 you may wish to check out our tutorial below. Minder

Intel Corporation

How many D-flip flops are needed in a 7 state finite state machine

2 antwoorden

3 FF are needed. 2^3=8 states at most

4 D flip-flops are needed because each flip flop has two allowable states, those can be combined to make 8 total distinct states Minder

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