Thursday 16 June 2011

Secondary Storage

Disk Caching


A cache that stores copies of frequently used disk sectors in random access memory (RAM) so they can be read without accessing the slower disk




File Compression






File compression is commonly used when sending a file from one computer to another over a connection that has limited bandwidth. 






File Decompression


The compression of data in a file, usually to reduce storage requirements




Internet Hard Drive




The sole purpose of an Internet hard drive is to offer a means of accessing your computer files (pictures, documents, music, videos, etc.) from any computer, as long as that computer has access to the Internet
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Optical Disc Drive


A storage medium from which data is read and to which it is written by lasers. 


Solid State Storage


Solid-state storage is a nonvolatile, removable storage medium that employs integrated circuits (ICs) rather than magnetic or optical media.

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