Even as the tech world came to grips with the troubling news Monday that Steve Jobs will take his second leave of absence in just two years, the iOS rumor mill continues to grind, with new, dual-core versions of the iPhone and iPad still expected to arrive in the coming months, Yahoo News reports. The latest word has it that new versions of the iPhone and the iPad are in line for a souped-up, dual-core version of Apple’s A4 system-on-a-chip, with AppleInsider reporting that the new chipset will boast far more processing and graphics power than the original — perfect, it would seem, for powering a new 2048-by-1536 iPad display (as per MacRumors), not to mention 1080p video and HDMI support for the iPad and iPhone, and perhaps even for a third-generation Apple TV…

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