Cache is an English word used to mean a hidden place, a storage place, or something hidden in a hidden place.
When using cache in
the IT
field, it refers to storing recently retrieved data or frequently used data in a storage device.
Data stored in the cache can be accessed quickly when used again.
In addition, the storage device used when caching is performed and the stored data itself are also expressed as cache.
Browsers such as Google Chrome, Safari, Microsoft Edge, Mozilla Firefox, Opera, Internet Explorer, and Vivaldi, which connect to the web on devices such as computers and smartphones, save data retrieved from recent searches and frequently used data to the hard disk. cache
Therefore, when re-viewing the data retrieved from the most recent search, the browser only needs to retrieve the cached data from the hard disk, so the data can be displayed at high speed since there is no need to newly communicate with the web
server
. It can be done.
Acquiring new data requires time and resources, including communication, processing, and transformation.
By caching the data that you have taken the time to retrieve, you can reduce the time and resources required to retrieve new data.
Caching allows you to retrieve the necessary data quickly, increasing work speed and efficiency.
In addition, caching can reduce the amount of work and time required for system communication and loading, which reduces the burden on the system and allows it to be used more effectively.
On the Internet, the system (
DNS
) that matches a numerical string used for computer identification (IP
address
) with a
domain
name that makes the numerical string easier to understand also caches the correspondence (DNS cache) to streamline queries to the server. Masu.
Search engines such as Google cache the sites, content, images, etc. that you search for and store them in a database, so they are displayed quickly when you search again.
Reference article
