Memory Caching
A memory cache, sometimes called a cache store or RAM cache, is a portion of memory made of high-speed static RAM (SRAM) instead of the slower and cheaper dynamic RAM (DRAM) used for main memory. Memory caching is effective because most programs access the same data or instructions over and over. By keeping as much of this information as possible in SRAM, the computer avoids accessing the slower DRAM.
Web Cache
Cache, Internet browser cache, or temporary Internet files
with an Internet browser, like Google Chrome, Firefox, or Internet
Explorer, is used to improve how fast data loads while browsing the
Internet. In most cases, each time you open a web page, the page and all its files are sent to the browser's temporary cache on the hard drive.
If the web page and files contained on that web page (e.g. pictures)
need to load again and have not been modified, the browser opens the
page from your cache instead of downloading the page again. Cache saves lots of time, especially if you use a modem, and can also help save on bandwidth for the website owner.
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