What are the relationship between input output and processing?

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September 12, 2007 2:21PM

We use the computer in the first place to manipulate data, so obviously you need a way to put the data - in comes the input device. Now the input data has to be processed in the desired format - in comes the Central Processing Unit. Finally you need a means to get back your processed data which is now meaningful information - so we use an output device.

All the devices are related to each other during the entire process of using a computer. Without any one of these we cannot use the computer to its optimum.