#memory_chip  a RAM microchip that can be plugged into a computer to provide additional memory
  supertype:  silicon_chip__siliconchip__chip__microchip__micro_chip__microchip  electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit
  subtype:  read-only_memory_chip  a memory chip providing read-only memory

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