ELP Engineer Interview Questions | Glassdoor

# ELP Engineer Interview Questions

60

ELP engineer interview questions shared by candidates

## Top Interview Questions

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### ELP Engineer at National Instruments was asked...

Jan 16, 2012
 Given an unsorted array of numbers 1-99 but with one number absent, how would you determine which number was missing?2 AnswersSort the array first to make the process easier(from another reviewer): no need for sorting. take the sum of the numbers 1-99 and subtract the sum of the numbers given. then you are left with the missing number.

### ELP Engineer at National Instruments was asked...

Jan 16, 2012
 How would you connect a microphone to a computer? 1 AnswerInvolves an ADC, amplifier, and some binary calculations.

### ELP Engineer at National Instruments was asked...

Oct 26, 2010
 There is an array with 100 slots (0-99) and you have an unordered list of 100 numbers, how can you output the number not included in the array?1 AnswerFind sum of the 100 numbers n(n+1)/2 and find the sum of these 99 numbers. subract obtained result from original result. This is the missing number!!!!

### ELP Engineer at National Instruments was asked...

Oct 20, 2012
 Technical first round question had to do with finding the missing number in an array from 0 to 100.1 AnswerMake another array from 0 to 100, add up each number one by one, and store it in a variable. Do the same to the array with the missing number and store that value in another variable. Then subtract the second variable from the first.

Feb 16, 2015
 Given an array with one missing value, describe a way to find the missing value. Give two ways.1 AnswerSeparate array, add the sums, subtract them from one another.

Feb 16, 2015
 Describe the process of sending a human voice into a computer1 AnswerMicrophone/transducer --> Filter --> Amplifier --> Analog to Digital Converter and describe the best order to these steps in.

### ELP Engineer at National Instruments was asked...

Nov 14, 2012
 Hardware question in on campus interview asks you to describe a system that could convert a voice signal to a digital computer signal.1 Answertransducer to amplifier to filter to ADC to processor/memory

### ELP Engineer at National Instruments was asked...

Jan 30, 2012
 Given 100 random numbers out of a string of 101, how would you find the missing number?1 AnswerTake the Sum of the Original 101 numbers and subtract the Sum of the Random 100 numbers.

### Applications (ELP) Engineer at National Instruments was asked...

Mar 20, 2015
 If you have an array of 100 randomly arranged integers, ranging 0-100, how do you find out which element from 0-100 is not in the list?1 AnswerSum up the entire given array and subtract it from the summation of all the 0-100 integers and the answer will be the element missing.

### Applications (ELP) Engineer at National Instruments was asked...

Dec 7, 2015
 How to connect a microphone to a computer.Be the first to answer this question
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