25 years later, the first personal computer more than invented. Using the MFM codage outside, and he keeps a 40 MB capacity and 625 KBps data transfer rate. A scaled-down version additionally commuté ST506 Interface to RLL codage method, allows to increase storage capacity and speed.
IBM made history technologique on 12 August 1981, and range of Prime-personal computer IBM 5150, and in a price tag of $ 1,565, 5150 the just 16 poor memory who just enough for a small number of e-mails. It difficult to conceive that as recently as the late 1980s 100 MB of disc space said was considering. Today, at the time when it should be totally insufficient, hardly enough to install the operation system, not to mention a great application like Microsoft Office.
When asked about the boundaries of two PC early Tom Standage, editor business magazine Economist said, "it is hard to believe the children used to make computers at that time, because I have no modern standards really couldn't do anything."
As a result of these moves, the industry has cultivées of several thousand disques disc per year in the ' 50s for disques than 260 million dollars per year in 2003. During that period, the cost of disk storage at magnétique has dropped $ 2,057 not dead in the 1960s to $. 005 today.
Next mark
Now, in the code of conduct Bureau standard 3.5 inch can store up to 750 gigaoctets (GB) data. But disc disques establishing to become even more powerful, and less costly. According to Bill Healy, an Executive at Hitachi, disques who has hundreds of thousands of gigaoctets will little dress ornaments. '' You and every album and régler you have bought ever, all your photo ever taken, tax return. "
Five disc disques your home become increasingly courante. more, portables, game system, TiVo ® Word videotape of the encounter, iPod ®, just to mention a few. Experts believe someday residents will have until 15 disques disc, some people appear in your TV, cell phone your car.
In fact, the industry expected to deliver a lot of disques five years as he had done in the last 50 last year. Industry Analysts such as Gartner, IDC and TrendFOCUS believe on the hard drive will continue to experience growth Mariner your unit and income.
Take good and evil
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