Many tasks perform by Central Processing Unit (CPU)
The CPU can perform arithmetic calculations such as addition, subtraction etc.
The CPU can perform logical decisions.
The CPU with the help of other devices can perform data transmission.
The CPU cann perform manipulating tasks such as word processing.
After performing the required task the CPU may place results in memory or send results to the output device according to the instruction given to it.
The CPU with the help of its control unit generator timing signals which provide synchronization between the different devices and the CPU.
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