Tuesday, September 2, 2008
CoMpUtErS: Hard disks
The computer has the way to write data for safe keeping and also have a storage place for programs. Storage devices come in many shapes, sizes, formats and speeds. One of the earliest devices was the diskette drive. On most systems today this is a 3.5 inch diskette that holds 1.44 million bytes of information. Hard drives are an advanced form of diskette drive. They hold much more bytes and are faster and are about the same physical size. The hared drive is a fixed storage device in the computer. It consists of several disks called platters, that store data electronically. Saving data to the hard drive is like writing it down on a piece of paper. It won't change until you physically erase it.
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