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What is RAM (Random Access Memory)?



What is RAM (Random Access Memory)? 


Alternatively  referred  to  as  main  memory,  primary  memory,  or  system  memory, Random  Access  Memory  (RAM)  is  a  hardware  device  that  allows  information to  be  stored  and  retrieved  on  a  computer.  RAM  is  usually  associated  with DRAM ,  which  is  a  type  of memory  module .


Because  information  is  accessed randomly  instead  of  sequentially  like  it  is  on  a CD or hard  drive can  access  the  data  much  faster.  However,  unlike ROM ,  the  computer or  the  hard  drive RAM  is  a volatile  memory  and  requires  power  to  keep  the  data  accessible.  If the computer  is turned off,  all  data contained in RAM  is lost.

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