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Chapter 45. Upgrading Your Keyboard, Mou... > Mice and Other Pointing Devices

Mice and Other Pointing Devices

For many users, the mouse is purely a functional device; either it is functioning, or it isn't! Mice and other types of pointing devices today, however, offer a lot more than mere functionality. Ergonomic mice have been designed to fit your hand. Cordless mice eliminate the cord's getting in your way. Some mice have two buttons; some have three; some are left-handed; and some mice even have built-in gyroscopic mechanisms that you can wave through the air instead of dragging across a pad. Another mouse innovation for people who surf the World Wide Web a lot is a mouse with a special scrolling wheel placed between the two buttons. The scrolling wheel enables you to scroll up and down long Web pages quickly and smoothly. A lot of applications now also support this scrolling action, including Microsoft's Office suite.

Several manufacturers are also producing optical mice. Instead of a ball, an optical mouse scans your desktop with a laser that produces a tracking precision much greater than a typical mouse with a roller ball (see Figure 45.6).


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