Only a handful of people have traveled to such staggering depths. One of them is movie director James Cameron, who using a state-of-the-art vessel, dropped 35,000 feet, or about 7 miles, to the deepest place on Earth -- the Challenger Deep in the western Pacific Ocean.
DPI stands for dots per inch. Depending on the mouse make it will have certain presets (e.g 3000, 6000) and pressing it will cause your mouse to cycle through them. The higher the DPI , the farther the cursor on your screen will move when you move the mouse.
You can also adjust your mouse's DPI setting via Windows even if your mouse doesn't have a DPI switch. Press âWindows-Zâ while on the Start screen, click the âAll appsâ icon, scroll to the Windows System heading, and then click âControl Panel | Hardware and Sound | Mouse | Pointer Options..