Understanding Random Numbers in Physics

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In the world of physics everything is given a number and everything can be worked out...

...when I am programing and i give the computer the code rand(1,50) to generate a random number from 1 to 50, how does it pick, if the computer is so logical? how can something so logical be totally unlogical with that one bis of code? a random number is not logical is it? if that makes sense at all?
 
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They are not random although appear to be. The technical term is "pseudo random number." See this http://acm.uva.es/p/v3/350.html .
 
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yeah, there are no "random" numbers in computers. only "pseudo random" numbers. e.g., in C/C++, the "pseudo random" number is generated from the system time. so its not really "random". it depends on the system time.
 
Link

Please see the link below.

http://web.utk.edu/~rpevey/NE582/lesson3.htm
 
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