Auxiliary storage

What is auxiliary storage?
Auxiliary memory is any memory that is made available to the system via input / output channels. This term refers to any addressable memory that is not in system memory (RAM). These storage devices contain data and programs for future use and are considered non-volatile memory that stores information even when power is not available. They trade in slower read / write rates for increased storage capacity.

The auxiliary storage unit can also be referred to as a secondary storage unit.

Auxiliary storage, secondary storage, or external storage are devices that store non-critical system data such as documents, multimedia, and programs that are used whenever they are needed. These files are called from the auxiliary memory as required and then transferred to the primary memory so that they can be processed by the CPU. The results of the process can also be sent to auxiliary storage for later retrieval.

The best examples of additional storage are hard drives and optical storage media such as CDs, DVDs, and Blu-ray. Other additional storage devices also fall under the category of peripheral devices, such as flash drives and any type of memory card.

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