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What does 400dpi mean for mouse?
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What does 400dpi mean for mouse

Aug 25, 2022 pm 02:26 PM
dpi

Mouse 400dpi means that every time the mouse moves one inch, the pointer on the screen can move 400 points; the dpi of the mouse is the abbreviation of "dots per inch", which is the number of pixels per inch. It is the positioning accuracy of the mouse, which is the maximum number of information that can be accurately positioned per inch of mouse movement.

What does 400dpi mean for mouse

The operating environment of this tutorial: Windows 10 system, DELL G3 computer.

What does 400dpi mean for mouse?

The dpi of the mouse refers to dots per inch. A 400DPI mouse can move the pointer on the screen 400 points when moving one inch.

What does mouse DPI mean

The DPI of the mouse is dots per inch, that is, the pointer moves on the screen every inch the mouse moves. The number of points moved up. For example, when a 400DPI mouse moves one inch, the pointer on the screen can move 400 points.

Mouse DPI refers to the positioning accuracy of the mouse. The unit is dpi or cpi. It refers to the maximum number of information that can be accurately positioned per inch of mouse movement when the mouse is moving. DPI is dots per inch, which is the number of dots the pointer moves on the screen for every inch the mouse moves.

dpi is the abbreviation of dots per inch, which means the number of pixels per inch. cpi is the abbreviation of count per inch, which means the sampling rate per inch. Both dpi and cpi can be used to indicate the resolution of the mouse, but dpi reflects a static indicator, which is more appropriate to use on a printer or scanner. Since mouse movement is a dynamic process, it is more appropriate to use cpi to represent the resolution of the mouse.

When we move the mouse one inch to the left, the 400cpi mouse will send "left move" signals to the computer 400 times, while the 800cpi mouse will send 800 times. Assume that if we move the mouse 1/800 inch, then the 800cpi mouse will send a movement signal to the computer, but the 400cpi mouse will not respond. We must move another 1/800 inch before it will send a movement signal.

After seeing this, everyone understands that in fact, an 800cpi mouse will respond faster than a 400cpi mouse at the beginning of movement. The performance difference between 800cpi and 400cpi mice will only become more obvious when the monitor resolution is high. Although the 800cpi mouse is more accurate in positioning, it is more expensive. Unless you are a professional graphics user or a professional game player, a 400cpi resolution optical mouse is enough.

What does 400dpi mean for mouse

Accuracy

Regarding the question of what mouse DPI means, in fact, the concept of DPI cannot accurately and uniquely represent the mouse. accuracy. For example, the "dot" in dots per inch is not constant on the screen. It is affected by factors such as resolution, so it does not only correspond to pixels on the screen. It is possible that this dot is 4 pixels. It may also be 1 pixel. This is because the concept of DPI involves changes in the display.

The current more scientific and recognized new standard is to use CPI to represent mouse accuracy. What does mouse DPI mean? The explanation of this concept is: the number of mouse samples per inch. To put it clearly, it means how many point changes the mouse can collect from the moving surface when the mouse moves one inch. This attribute is completely related to the performance of the mouse itself and is no longer involved. It is a problem with the monitor. Therefore, the accuracy of the mouse can be reflected more accurately and unchanged. However, since most mouse manufacturers have adapted to the DPI method of naming, most of the current production links still continue to use the DPI indicator method.

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