A field technician is asked to identify the processor architecture on a teardown of a popular Android tablet. The chip is designed around a reduced instruction set, emphasizes high performance per watt, and is selected by manufacturers specifically to maximize battery life in mobile devices. Which CPU architecture family is this most likely to be?
Advanced RISC Machine (ARM) processors implement a reduced instruction set that executes simple operations quickly and efficiently, resulting in very low power draw. Because battery-powered devices must conserve energy while still providing adequate performance, nearly all modern smartphones and tablets ship with ARM-based SoCs. In contrast, Intel x86 and AMD64 dominate desktops and laptops, and PowerPC is now uncommon in consumer devices.
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Why are ARM processors preferred in mobile devices over x86 or AMD64?
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CompTIA A+ 220-1101 (V14)
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