Paper 1, Memory

  • RAM - Random access memory is volatile memory that holds the data of programs that are currently in use on the computer. It is quite quick but when the device is turned off, all data is lost. Larger than ROM in terms of storage space.
  • ROM - Read only memory, is non-volatile and holds boot-up instructions, check software for when the computer boots-up, houses OS code. Data is not lost when the device is switched off. In some cases, ROM is written to when firmware is updated but this tends to be

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Paper 1, Memory

  • RAM - Random access memory is volatile memory that holds the data of programs that are currently in use on the computer. It is quite quick but when the device is turned off, all data is lost. Larger than ROM in terms of storage space.
  • ROM - Read only memory, is non-volatile and holds boot-up instructions, check software for when the computer boots-up, houses OS code. Data is not lost when the device is switched off. In some cases, ROM is written to when firmware is updated but this tends to be

Comments

No comments have yet been made