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Which is a type of ROM

  • A.PROM
  • B.EPROM
  • C.EEPROM
  • D.All of above

Answer: D

Correct answer: All of above

All three are read-only memories that differ in how they are written. PROM is programmed once by blowing fusible links; EPROM can be erased by ultraviolet light through a window in the package and reprogrammed; EEPROM is erased electrically, byte by byte, without removing the chip.

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