attention!!!
why human need brain??

 answer is as a storage part and saving information part

So, same as computer its needs brain also as its data storage.

 

 

      thats is: 

1.   RAM is random-access memory

allow stored data to be accessed in any order in a constant time

 2. ROM is read-only memory

computer can read only or retrieve data and programs

3. Flash memory

 

ROM + RAM= can be update to store new information + not lose information when turn off.

others memoery:

• DIMM is dual-in line memory module

• cache (pronounced cash) memory 

• virtual memory

b4 that here i have some tips for u how can computer run faster:
http://www.bukisa.com/articles/48014_how-ram-can-make-your-computer-run-faster

..:

Best regards,