The PowerBook G4 is a series of notebook computers that was manufactured, marketed, and sold by Apple Computer, Inc. between 2001 and 2006. It uses the PowerPC G4processor, initially produced by Motorola and later by Freescale, a Motorola spin-off. The PowerBook G4 had two different designs: one enclosed in a titanium body with a translucent black keyboard and a 15" screen; and another in an aluminum body with an aluminum-colored keyboard, in 12", 15" and 17" sizes.
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