An IT employee is preparing a company-issued smartphone and recalls that most smartphones use a low-power CPU architecture to maximize battery life. Which CPU architecture is most common in smartphones?
Complex Instruction Set Computing (CISC)
x86
64-bit
ARM
ARM architecture is optimized for low power and high efficiency, making it ideal for battery-powered devices like smartphones. Nearly all modern smartphones, whether Android or iOS, run on ARM-based system-on-chips. x86 processors dominate desktop and laptop PCs, CISC describes a broad design style rather than a specific mobile CPU family, and 64-bit refers only to data width, not the underlying instruction set used in most phones.
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