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Which among the following is the odd one out? Harddisk, Cache, RAM, ROM

Which among the following is the odd one out? Harddisk, Cache, RAM, ROM

مندرجہ ذیل میں سے کون سا عجیب و غریب ہے؟ha
Explanation
  • Harddisk is a non-volatile storage device.
  • While Cache, RAM, and ROM are types of memory.
  • Cache, RAM, and ROM are semiconductor-based.
  • Whereas Harddisk uses magnetic or SSD technology for storage.