When you have Airplane mode enabled, it blocks your connection to cellular networks. Thatâs why you canât make phone calls, you canât text message friends, and you canât use FaceTime over LTE. Typically, you also canât do anything that requires an internet connection, either.
Best Answer: DPI means dots per inch, how sensitive the mouse is to movement by how much depth the mouse laser can read. Some go up to 2000 but 800 is okay for general use, not for really complicated graphic making or changing but for regular stuff.
Dots per inch (DPI, or dpi) is a measure of spatial printing or video dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm). Monitors do not have dots, but do have pixels; the closely related concept for monitors and images is pixels per inch or PPI.