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Input, Output Devices and Data Bus
The IPO Cycle is termed as the Input-Processing-Output cycle. A computer receives data as input, processes it, stores it and then produces output. The following website provides a useful overview of input and output and computer terms: https://www.unm.edu/~tbeach/terms/inputoutput.html
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Additional Reading
https://ecomputernotes.com/fundamental/input-output-and-memory/list-various-input-and-output-devices