Definition - What does Secondary Cache mean?
A secondary cache is a type of cache memory that is deployed and installed external to the primary or processor cache. It is a fast data storage and access memory that works in addition to the primary cache.
Secondary cache is also known as external cache.
Techopedia explains Secondary Cache
Secondary cache can appear in several forms, including:
- Disk Cache: A space reserved on the hard disk to be used as disk cache
- Memory Cache: Separate portion or integrated component of random access memory (RAM) that provides faster data access than RAM itself
- Standalone Cache: Integrated directly onto the motherboard