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CPU (Central Processing Unit) is the primary component of a computer or digital device that performs most of the processing tasks by executing instructions from software and applications. Often referred to as the “brain” of the system, the CPU handles arithmetic, logic, control, and input/output operations, coordinating with other hardware components to carry out tasks. It consists of cores (individual processing units) and threads (execution paths), with modern CPUs featuring multiple cores for better multitasking and performance. CPUs are found in everything from desktops and laptops to smartphones and tablets, playing a critical role in overall system speed and responsiveness.
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