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Solve the equation.
Hub
A central point of connection for devices in a network.
Central Processing Unit
This is the part of a computer that performs most of the processing inside a computer, often referred to as its "brain".
Smartphone
A mobile phone that combines computing power with internet connectivity, supporting a wide range of applications beyond calling and texting.
Scanner
A device that converts physical documents into digital format for storage, sharing, or editing on a computer.
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