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Prezentace Data Storage

Y04A2L - Anglický jazyk 2-2

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t's quite a difficult question and I think I'll never be able to talk about all types, but I'll try it. The most important is harddisk, all of us know what harddisk is, every computer has to have it, so it's used to store data, not to bring them somewhere else. For this are used CDs, DVDs, flash disks and floppy disks, though most of you can't remember them, there were really important and specially, floppy disks were the first, which were used to bring data from one computer to another.

It's really curious to examine how the media were being smaller and smaller and the data you were able to store there was growing bigger and bigger. For example in the year 1971 a Floppy disk had 8 inches in diameter and was supposed to store only 160 KB. These days you can see smaller and smaller flash disks which can contain 2 or more GB of data.

For confrontation with the first floppy disk, a normal CD ROM is about 12 centimeters in diameter, which is something more than 4 inches, so it's approximately half in diameter than the first floppy disk.

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Vloženo: 28.04.2009

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