People agree among themselves in different ways, using the language spoken or written, gestures, signs etc, which are the basic sense of hearing, and the sight, touch, etc. But in what way we deal with the computer, as we make known that the data and our requirements and how we respond to him?
"The organs of the senses" of the computer are those with a common name of the call equipment entry and exit information (Input/Output in February I/O). These devices are capable to our information to "translate" the language of the computer and vice versa his conclusion to translate our language. I/O devices are those with which the computer communicates with people and with other equipment.
Entry through the equipment we put data or instructions (programs), and exit through the equipment appears the completion of data processing. Without these two types of equipment can not be charged to computer programs, but even if they were installed will invariably advance in it, it would not be possible to deal completion of data processing.
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