Walt Mossberg – For iPad and Mobile Devices, a “Port” out of the Norm
Sure, the screen is nice. But the iPad’s most important component, at least for Apple’s future, may be the A4, the fingernail-size chip at the tablet’s heart.
With the A4, Apple has taken another step toward challenging the norms of the mobile device industry. Device makers typically buy their primary chips from specialized microprocessor companies.
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