Is Apple considering a long term plan to develop its own chips?
The fact that the iPad, introduced last week, uses an Apple designed A4 chip offers a hint at future iPhones, iPod touches and—who knows?—perhaps even Macs.
The A4 was custom designed by Apple engineers to to be extremely powerful, and yet extremely power efficient. It apparently uses technology from PA Semi, a boutique microprocessor design company that Apple acquired in 2008. With Apple now in control of its own processors, you can bet good money that the A4 will appear in an upcoming iPhone. Then the iPod touch.
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