Computing
- Cache (computing), a collection of data duplicating original values stored elsewhere on a computer
- CPU cache, a small area of fast memory used by the central processing unit
- Disk buffer, the small amount of buffer memory present on a hard drive
- Page cache, the cache of disk pages kept by the operating systems, stored in unused main memory
- Web cache, a mechanism for the temporary storage of web documents to increase performance
- DNS cache, a server in the domain name system which stores queried results for a period of time
- P2P caching, a technique used to reduce bandwidth costs for content on peer-to-peer networks
- Database caching, a mechanism used to cache database content in multi-tier applications
- InterSystems Caché, an object / relational database
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