# Computer Hardware & Software interview questions

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### Velocity Software Engineer at Cerner

Apr 12, 2013
 “Same questions as can be found on Glassdoor. Just talk out what you're thinking, and try to be expansive on the testing stuff... cover lots of ground (the input could be Null, Negative, 0, Super...”

### Program Manager at Microsoft

Oct 30, 2013
 “You are on a desert island, and all you have is a pair of dice. You know that a plane flies over the island on the 30th day of the month. Using the dice, how can you make a calendar that always tells...”

### Financial Software Developer Intern at Bloomberg L.P.

Apr 17, 2012
 “There are 20 floors in a building. If you're on an elevator and you're trying to get to the 20th floor, what is the probability that 4 people ahead of you click the 20th floor before you do? Assuming...”

### QCT Modem Test Engineer at Qualcomm

Apr 13, 2012
 “You have 2 buckets in a room and one bucket has 17 Red balls, 19 Green Balls, 21 Blue Balls, 23 Yellow Balls. You are blindfolded and you need to pick one ball at a time and put in the bucket#2. You...”

### Test Engineer at Qualcomm

Nov 19, 2010
 “Initialize a 5 by 5 array with this sequence. 1 2 3 4 5 6 4 8 9 10 11 12 9 14 15 16 17 18 16 20 21 22 23 24 25”

### Software Developer at Microsoft

May 20, 2009
 “Why is a manhole cover round?”

### Financial Software Developer at Bloomberg L.P.

May 8, 2010
 “If you have 2 coins in your pocket (one is double-headed, and the other is a fair coin), you grab a random coin from your pocket and see that one face is a head. What is the probability that if you...”

### Software Development Engineer at Microsoft

Jul 10, 2009
 “Given an array with length n-1 which contains integers of the range 1 to n. Each element is distinct and appears only once. One integer is missing. Find the missing integer in linear time using O...”

### Software Development Engineer at Microsoft

Dec 30, 2011
 “Pancakes, size varies, and are put in a stack with random order. You have one operation called Flip(int[] pancakes, int k) to flip all pancakes from the top one to kth pancake, write a sort(int...”

### Silicon Validation Engineer at NVIDIA

Aug 2, 2012
 “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.”
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