In a basic computing model, which of the following BEST describes the role of a processor?
It is used for long-term storage of data and programs.
It displays processed data to the user.
It executes instructions and performs calculations with the data provided.
It enters data into the system for further processing.
The processor, or CPU, is responsible for executing instructions and performing calculations. It takes input data, processes it according to the instructions given by a program, and then produces output. The processor does not store data for long-term access; that is the role of storage devices. Likewise, it is not used to enter data into the system or display processed data, which are the roles of input devices and output devices, respectively.
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