1 The reason that conventional trackballs and joysticks aren't used is because the precise positioning that they provide simply isn't needed.

2 Klatsky found that some subjects preferred trackballs or Glidepoint pads even though they actually performed better with mice.

3 A trackball is essentially an upside - down mouse.

4 A mouse takes much more room than a trackball.

5 Fixed auto brightness, hardware key lights and trackball light notifications.

6 The trackball products are rare products now , a handful of manufacturer in Taiwan still making it.

7 A trackball has the ball on top and you move it with your finger.

8 While integrating forearms to operate a trackball and a mouse, the OE of target acquisition and drag-and-drop were 53%AP and 45%AP, respectively.

9 Move your mouse or trackball in the straightest line possible.

10 The icons are generally activated by an on-screen pointer controlled by a mouse or trackball.

11 This system can serve as a natural and convenient user input device ,(www.Sentencedict.com) replacing mouse and trackball.

12 Industrial keyboard housed in a NEMA 4X enclosure with membrane keypad and integrated industrial trackball.

13 In 2006, the scroll wheel was replaced with a trackball on the front of the device.

14 The manufacturer also got one new gadget on display , a USB key - like trackball.

15 Adjust how much your pointer accelerates as you move your mouse or trackball faster.