Main Memory

Part of book or chapter of book OPEN
Boncz, Peter ; Liu, Lei ; Özsu, M. (2008)
  • Publisher: Springer-Verlag
  • Subject:
    acm: Hardware_MEMORYSTRUCTURES

htmlabstractPrimary storage, presently known as main memory, is the largest memory directly accessible to the CPU in the prevalent Von Neumann model and stores both data and instructions (program code). The CPU continuously reads instructions stored there and executes them. It is also called Random Access Memory (RAM), to indicate that load/store instructions can access data at any location at the same cost, is usually implemented using DRAM chips, which are connected to the CPU and other peripherals (disk drive, network) via a bus.
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