How to Explain Mouse DPI
The mouse's DPI setting, also known as dots per inch, is a measurement of sensitivity for the mouse. The higher the DPI, the more sensitive the mouse can be. Some mice allow you to adjust the DPI, so you can alter your mouse's sensitivity between different types of uses. For example, you might want to adjust your mouse sensitivity higher in a game such as a first person shooter for precision aiming, but you don't need your mouse that sensitive to click on a link in a Web browser.
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Instructions
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Check your mouse documentation, either the manual or the product packaging, to find out exactly what DPI your mouse has.
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Explain that DPI, or dots per inch, is somewhat of a misnomer. This term is commonly used in product documentation, but the technical term for DPI is counts per inch, or CPI. The count that CPI refers to is how often the mouse checks on the position of the mouse within one inch.
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Give an example of how this measurement affects mouse movement. If you have a 500 DPI mouse and compare it with a 1,000 DPI mouse, the 1,000 DPI mouse reports twice as many movements per inch. The effective result of this extra reporting is a mouse pointer that tracks exactly where you are moving it much more accurately.
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