What does cache memory mean and what is the simplest way to learn how to use a computer

Answers:

Answer

cache memory is just the same as RAM only it is much much faster. This is why there usually isn't much cache because since it is faster, it is far more pricey than standard RAM. Your cache is like golden ram and used to store things that are going to be accessed more than once, or need to be accessed quickly. Just like RAM, once the program is done or once you turn your computer off it is a clean slate and ready to be used again.

 

Separate Answer

Cache memory is VERY fast compared to external RAM because it resides on the CPU die directly and is designed into the structure of the processor. It uses the internal CPU timing cycles and bus structure to be accessed. It is small in byte size because it shares the physical real-estate of the CPU and the die size of the computer is limited. The quantity of transistors that can fit on the die is determined by the size of the transistors themselves. The size is determined by the wavelength of light used to etch the die through the mask. A transistor profile of 65nm is larger than one etched at 40nm. 65nm profile transistors use a little more power to switch on than the 40nm transistors. This translates to a little bit more time to transition to saturation, so throughput is less in the larger profile transistor processors.

 

Answer

The best way to learn how to use a computer (in my opinion) is to find someone that will take a few minutes to show you the basics and maybe give you some tips on what you should and shouldn't do, then just dive in and explore.
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