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Arrange the memory in ascending order of its storage capacity.
1. Hard disk, Cache, Ram, Register
2. Register, Cache, RAM, Hard disk
3. Hard disk, RAM, Cache, Register
4. Register, RAM, Cache, Hard disk
5. None of these

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Correct Answer - Option 2 : Register, Cache, RAM, Hard disk

The correct answer is Register, Cache, RAM, Hard disk.

  • Register<Cache<RAM<Hard disk

  • RAM 
    • RAM is a hardware element where the data being currently used is stored.
    • It is a volatile memory.
    • Two types of RAM are
      • Static RAM, or (SRAM) and
      • Dynamic RAM, or (DRAM).
  • Register
    • A register holds instructions or data that the processor is working on or will be working on shortly.
    • They form part of the processor and are capable of holding only one item at a time.
  • Cache 
    • Cache memory is an area in the computer where codes and instructions are stored.
  • Hard disk
    • A hard disk drive is an electromechanical data storage device that stores and retrieves digital data using magnetic storage.

  • There are four major storage levels on the computer:
    • Internal – 
      • Processor registers and cache.
    • Main
      • The system RAM and controller cards.
    • On-line mass storage
      • Secondary storage.
    • Off-line bulk storage
      • Tertiary and Off-line storage.

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