hitting it ilke a crazy woman
A: you need not to muve your hand around a table compared to a mouse
That's called a trackball. The device stays in place and you move the ball (usually) with your thumb, rather than moving a mouse which in turn moves the ball inside (or with the newer optical mouse, electronically senses the mouse motion).
A trackball mouse
A trackball is basically a computer mouse that has been turned upside down. This allows the mouse to sit in a stationary position, requiring less desk space.
Could be a mouse, a trackball or a touchpad.
yes a mouse is an input device.
A great place to buy a new trackball mouse in New Jersey is Cat & Mouse Computers, located at 214 Fifth Ave, Pelham, NY 10803. They offer a wide array of computer accessories, including trackball mice.
A Trackball.
Trackball Trackball is an upside down mouse, that rotates in place within a socket. The user rolls the ball in the direction they would like to move the cursor. Trackerball... Does not comply.
A trackball can move a cursor without needing a hard or level surface. A mouse needs such a surface to operate effectively.
A tracker ball in integrated with a keyboard saving space the for a mouse pad. the big disadvantage is you are stuck with your hand in that position I Say bad human engineering idea.The trackerball basically saves much space.Disadvantage:
One can buy a Microsoft Trackball from Amazon for about $125. Some of the features include precision trackball design, five buttons and a wheel for scrolling and zooming. The Trackball is a sophisticated mouse for a laptop or a PC.