File:What is Cache? What Does Cache DO? CACHE EXPLAINED!!

What is Cache? What Does Cache DO? CACHE EXPLAINED!! Here's a quick and easy definition of what exactly Cache Is, how it works and what it does. Keep in mind that whether you're using a PC, Android or iOS device, you should clean up your cache of un-needed data.

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A cache is a place to store something temporarily in a computing environment. It is basically a high-speed access area that can be a reserved section of main memory or storage device. The two main types of cache are memory cache and disk cache. But we’ll get to those a little bit later. In computing, active data is often cached to shorten data access times, reduce latency and improve input/output (I/O). Because almost all application workload is dependent upon I/O operations, caching is used to improve application performance. The main reason why cached data exists is to make loading time faster. So if a device already has the layout of the website saved in the form of cached data, it will not have to load that same data once again. This helps in quickening the process of loading the website. While cached data is helpful for computers, smartphones, and tablets; it can take up space on your device and it may, over a period of time, get corrupt. While the cached data on your device can be helpful for the websites you visit regularly, it can be considered a waste for those websites which you will be visiting just once. Now back to Memory Cache and Disk Cache. Memory cache is a portion of the high-speed static Random Access Memory (SRAM) and is effective because most programs access the same data or instructions repeatedly. By keeping as much of this information as possible in SRAM, the computer avoids accessing the slower DRAM or Dynamic Random Access Memory, making the computer perform faster and more efficiently. Like memory caching, disk caching is used to access commonly accessed data. However, instead of using high-speed SRAM, a disk cache uses conventional main memory. The most recently accessed data from a disk is stored in a memory buffer. When a program needs to access data from the disk, it first checks the disk cache to see if the data is there. Disk caching can dramatically improve the performance of applications because accessing a byte of data in RAM can be thousands of times faster than accessing a byte of data on a hard drive. Although Cache data can be helpful it is still a good idea to clean it up every once in a while. Especially when using a browser. Some data may not be needed anymore since you have no intention of doing that specific task once again and it’s a good idea to clean up a freshen your PC’s memory. _ previous videos : Could This Be The iPhone 8? - LEAKED DESIGN!! - https://www.youtube.com/watch?v=UxY-sRLZOPQ BEST SAMSUNG GALAXY S8 FEATURES - https://www.youtube.com/watch?v=9jFatGf1BNg 5 Best Skins For The Samsung Galaxy S8 - https://www.youtube.com/watch?v=4mX8yVlU3Rs Galaxy S8 DEX Dock + Samsung Galaxy S8 Microsoft Edition + Intel Optane M.2 SSD - https://www.youtube.com/watch?v=1vNWmjHElFE OLED VS QLED!! Which Is Better? What is OLED/QLED? - https://www.youtube.com/watch?v=LP2Kz4v6c8g Intel Core i3, i5 and i7 EXPLAINED!! What's the Difference?? BEST FOR GAMING?? - https://www.youtube.com/watch?v=STFpPvmiEV8 __ Background Music : https://www.youtube.com/watch?v=blA7epJJaR4 Subscribe For More!!