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  • CD
  • cmake
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  • hard drive

    A hard drive is a device that save a large quantity of data for later recollection.

    Most hard drives today use a magnetic system to save the data. However, those do get really hot and tend to break easily because they use a mechanical head (after 4 to 5 years.) Yet, they have an incredible capacity with drives that can hold as much as 2Tb.

    New modern drives use flash technology. This is like your USB thumb drive. It does not get hot, it is silent, it has much faster read access (no head to move.) It has two drawback: (1) it has a rather slow write and (2) the capacity is still quite small (at time of writing we are starting to get 128Gb drives...) The price is also much higher, but if you consider that these drives will probably last you twice as long as the magnetic drives and you won't need extraneous cooling systems, overall, it probably still worth it.

  • nested

    In computing, nested means an item defined inside another. It is most often used for loops, a loop can be declared inside another. The one inside is called the nested loop. In particular, two loops can be defined one after another or one inside the other. There is no other way to declare a loop.