WRITE BACK Meaning and
Definition
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Write back, in the context of computers and information technology, refers to the process of updating or saving data that has been modified or processed by a computer system. It is a term commonly used in computer science, databases, and storage systems.
When data is initially read from a storage device or retrieved from memory, it may be stored in a cache to improve performance. However, any modifications made to that data in the cache need to eventually be written back to the original storage location or memory to ensure data integrity.
The write back process involves transferring the modified or updated data from the cache to its original location. This can occur in various scenarios, such as when a user saves changes to a document in a word processor or when a database management system updates a record in a database. The write back process ensures that changes are persisted, allowing for data consistency and retrieval during subsequent operations.
In some cases, a write back cache may be utilized to optimize the write back process. This type of cache temporarily stores modified data before writing it back to the primary storage. It allows for faster write operations by reducing the immediate need to access the slower primary storage while still ensuring data is eventually saved.
Overall, write back is an essential operation in computing, enabling the preservation and updating of modified data, thus ensuring the accuracy and consistency of information across various computer systems and storage devices.
Common Misspellings for WRITE BACK
- qrite back
- arite back
- srite back
- erite back
- 3rite back
- 2rite back
- weite back
- wdite back
- wfite back
- wtite back
- w5ite back
- w4ite back
- wrute back
- wrjte back
- wrkte back
- wrote back
- wr9te back
- wr8te back
- wrire back
- wrife back
Etymology of WRITE BACK
The word "write" comes from the Old English word "wrītan", which in turn developed from the Proto-Germanic word "writaną", meaning "to scratch, carve, or write". The term "back" has its roots in Old English "bæc", from the Proto-Germanic word "bakam". When these two words are combined, "write back" refers to the action of responding to a written message or communicating in writing as a form of reply.
Idioms with the word WRITE BACK
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write back to sm
To respond to a letter or message that was received from someone by writing a reply or response to them.
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