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What is a computer cache?

Updated: 8/16/2019
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15y ago

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Cache [pronounced as 'cash'] is a high-speed storage mechanism. It can be a reserved section of main memory or an independent storage device.

A type of caching called 'memory caching' uses high-speed SRAM[static] instead of the conventional and slower DRAM[dynamic]. It is very effective because several programs may access same data over and over. By storing these information in SRAM, the programs can access it easily than from a slower DRAM.

Another one type of caching called 'disk caching' uses the conventional main memory as cache. This is because accessing a byte from RAM can be thousands of times faster than accessing it from the hard disk.

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7y ago
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15y ago

The cache on a computer can mean two things 1. An actual memory chip that is positioned by your CPU that hands instructions to the CPU. (very fast memory). 2. A method of storing certain commonly used files such as components of a website so that when your computer needs to look it up again, it will load faster. Your computer caches websites on a normal basis and also caches commonly used files so it doesn't have to spend alot of time searching.

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8y ago
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My internet was running slow on my computer so i cleared the cache.


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What kind of computer program uses a large system cache?


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