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RAM

Internal memory or main memory serves to:

    >  Storing data derived from the device entry until data is sent to the ALU for processing.


    >Storing data ALU processing before being sent to the output device.

 
    > Accommodate the program or instructions coming from the device into or from secondary     reminder    devices.

    RAM (Random-Access Memory) is one type of internal m
emory which determines the ability of a computer. Internal Memory (Internal Memory) can be called the main memory (main memory) and primary memory (primary memory). This component serves as a reminder.
  
    RAM is a type of memory whose contents can be changed as long as computers
have the nature of life and can remember there is data or programs for the electric current and can store and retrieve data very quickly.
 
Type of RAM on the PC vary, among others:
     > DRAM (Dynamic RAM) is a type of RAM must be periodically refreshed by the CPU for the data contained therein is not lost.
   
     > SDRAM (Synchronous Dynamic RAM) is the most common type of RAM used in PCs today. RAM is        synchronized by the clock speed of the system and have more tanggi than DRAM. Suitable for systems  with a bus that has the speed to 100 MHz.
    

     > SRAM (Static RAM) is a type of memory that does not need a refresher by the CPU for the data contained therein are saved properly. This type of RAM has a speed higher than the DRAM.
    

      >RDRAM (Rambus Dynamic RAM) is a type of memory that is faster and more expensive than SDRAM. Memory can be used on systems that use the Pentium 4.
   
      >EDO RAM (Extended Data Out RAM) is a type of memory used in systems that use Pentium. Suitable for a bus with speeds up to 66 MHz.