Question

what is serial key how it is useful
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Answer 1

Answer:

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Explanation:

Sometimes abbreviated as Serial No., SN or S/N, a serial number is a unique number used for identification and inventory purposes. A serial number allows a company to identify a product and get additional information about it, for replacement, or as a means of finding compatible parts.

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Answer 2

Answer:

Serial key is an accessibility function that assists people that have difficulty using a keyboard or mouse (or both). They can use special devices such as Sip, Puff and Breath Switches to provide input to the computer through the serial ports. For example, sipping on the tube activates one device and puffing on the same tube activates another.

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