Memory

Memory refers to the components that store data and instructions for immediate or near-immediate access by the CPU. This is as opposed to Storage. Sometimes called “core” in the context of fossil word anachronisms, e.g. core dump, due to magnetic-core memory

Hierarchy

• RAM
  • SRAM
  • DRAM
    • SDRAM
    • RDRAM
    • DDR SDRAM
      • DDR1
      • DDR2
      • DDR3
      • DDR4
      • DDR5
• ROM
• Cache
  • L1 Cache
  • L2 Cache
  • L3 Cache
• Registers