http://ihateliz.com/?id=gi23xvfjmozn0l8up0un69q4s7urxu
NO... The cache is a smaller, faster memory which stores copies of the data from the most frequently used main memory locations. As long as most memory accesses are cached memory locations, the...
the main role of memory is to let OS copy in it.. means when we start PC, 1st OS gets copied on ram.. it also important for software or program..
depends of what kindof laptop you are going to purchase. now a days they come with atleast 512mb but can go up to 8gb.
An Operating System manages resources. Memory is one example of resource management.