A stationary pointing device that contains a movable ball rotated with the fingers or palm. From one to three keys are located in various positions depending on the unit. Years ago, Kensington Microware popularized the trackball with its Turbo Mouse for the Macintosh. See mouse, pointing stick and touchpad.
The Turbo Mouse
The Turbo Mouse popularized the trackball for the Macintosh. Later models were developed for the PC. (Image courtesy of Kensington Microware, Ltd.)
The Turbo Mouse
The Turbo Mouse popularized the trackball for the Macintosh. Later models were developed for the PC. (Image courtesy of Kensington Microware, Ltd.)
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Sudoku Challenge for Android 1.3.11 (Mobile)
- Sudoku Challenge for Android features 4x4 and 9x9 Sudokus and unlock the ultimate challenge, touch-Screen, trackball, and key, resume games where you left off, ease to understand tutorial, screen layouts optimized for portrait and landscape display, solve the build in challenge of 30 Sudokus, and play an unlimited number of...
- Software downloads 2009-11-27
- A Christmas Carol by Charles Dickens 1.0 (Mobile)
- Quotes from the ebook: Preface and beginning of first chapter.PREFACE I HAVE endeavoured in this Ghostly little book, to raise the Ghost of an Idea, which shall not put my readers out of humour with themselves, with each other, with the season, or with me. May it haunt their houses...
- Software downloads 2009-11-16
- Zombie Dash for iPhone 1.0 (Mobile)
- With Zombie Dash for iPhone in your search for treasure and glory you find yourself trapped in a tomb infested with zombies. Plunge deeper into the tomb each day and use the treasures you have found for upgrades. Watch out for bats, floor spikes, snakes, and zombies. It features awesome...
- Software downloads 2009-11-14
- Fish Kindom (Mobile)
- For Blackberry Storm devices, use this version:Fish KindomSurvive a dangerous ocean by eating your way out.Use trackball to move fish.Challenge your balance skills and brain power. Move trackball left/right/up/down to control fish direction.Watch out for BIG fishes! FishNFun
- Software downloads 2009-11-13
- HTC Droid Eris (Verizon Wireless)
- Editors' note: Portions of this review were taken from our review of the HTC Hero. The two devices share similar features. The HTC Droid Eris is the second Verizon Wireless' Google Android phone after the Motorola Droid. Where the Droid was flashy and high-end, the Droid Eris offers a simpler,...
- Product reviews 2009-11-06
- RIM BlackBerry Bold 9700 (T-Mobile)
- Photo gallery:RIM BlackBerry Bold 9700It's been about a year since the original RIM BlackBerry Bold made its debut, and while it remains a very solid device, it's about time that a flashier, faster model took over the reigns. And that device would be the RIM BlackBerry Bold 9700. Not only...
- Product reviews 2009-11-05
- Super QWERTY, One key to access all applications (Mobile)
- Super QWERTY enable you to quick access your applications like Messages, SMS, Tasks, Browser, BBM, Calendar, MyPhone, Ever Light II etc just with one key. One must have tool on Blackberry. kindly input your PIN No. while filling the buying form. Your PIN number can be located on your BlackBerry...
- Software downloads 2009-10-30
- Adesso WKB-3100UB wireless keyboard with trackball
- The $80 Adesso WKB-3100UB wireless keyboard is a good mini keyboard for surfing the Web from your sofa, but it's a nightmare to use as an everyday keyboard and trackball. The keyboard is usable most of the time, but its inaccurate trackball, poor button press recognition, sticking keys, lack of...
- Product reviews 2009-10-29
- With Motorola Droid, Verizon puts doubts about Google Android platform to rest [review]
- Looks pretty nice, one comment on the article tho...[i]Further, Android 2.0 offers universal search, surfacing Web pages (history, bookmarks, etc.), contacts, applications and more all from the same search field widget. It?s a welcome addition.[/i]This is actually a feature of Android 1.6 and so not exclusive to the Droid or...
- Discussion threads 2009-10-29
- Widescreen HD Theme Featuring Hidden Dock Pearl 81xx (Mobile)
- Featuring Hidden Homescreen Icons! Finally! A theme that uses the whole screen without huge icons and meters cluttering it up! Display images from your personal photo gallery on your home screen without sacrificing vital phone info! Maximize the viewing area of your backgrounds by scrolling up with your trackball to...
- Software downloads 2009-10-29
- T-Mobile announces 3G BlackBerry Bold 9700 with 624 MHz processor
- lookwoah! a new phone with a tiny screen, an ancient os and thousands of plastic buttons (that can't change layout when needed) glued all over it. i am impressed. RE: T-Mobile announces 3G BlackBerry Bold 9700 with 624 MHz processorEven though I wouldn't have chosen those words I have...
- Discussion threads 2009-10-21
- With Apple, there's a fine line between paying a premium and being a sucker
- Interesting view...I am not an Apple user, and I do think most of Apple's products are too expensive for me, but I didn't think $70 was that outlandish. Don't top end mice from Logitech or MS run around $50-100?Anyway, I guess I'd have to try it before saying it was...
- Discussion threads 2009-10-20
- Fare thee well, lovely ToyBox readers: My Top 10 favorite posts
- The dreary weather couldn't be better for writing a sad goodbye to my faithful ToyBox readers. The time has come for me to pack up and move on out of the ZDNet family. The last nine months spent as your Gadget Gal have been wonderful, but I have to pass...
- Blog posts 2009-10-19
- Hourglass 1.2.11 (Mobile)
- Watch video: http://www.youtube.com/watch?v=uoaMhM3sikQThis application emulates a real hourglass. Watch the grains of sand fall as you turn your BlackBerry Storm. If you lay your BlackBerry device on its side, the Hourglass will stop the timer just like a real hourglass stops. Turn your BlackBerry upside down and the timer will...
- Software downloads 2009-10-19
- Windows Mobile 6.5 disappoints; no Start customizations and stylus still required
- Apple is safe.Point release or not, Microsoft is under the gun to come up with something better than this retread if they want to stay in the mobile device business. Make no mistake, the handset makers are not just disappointed, they are steaming about Microsoft's inability to keep up, because...
- Discussion threads 2009-10-06
- Will Apple ever make a good mouse?
- RE: Will Apple ever make a good mouse?That is like saying I should buy a car with a crappy steering wheel. The mouse is important and it should be flawless, just like everything else Apple does.AgreedI hope they are cooking up something nice.But it's a mouseThey can make it different,...
- Discussion threads 2009-10-02
- BestFLASH (for 4.7+) (Mobile)
- Useful and fun multifunction light using video light, screen and LED, with separate Quick Light icon for one-touch stay-on video light on device software 4.7+, or one-touch max screen+LED on pre-4.7. - Flashlight (any-color dimmable LED+screen, one-touch switch to cam light when configured in 4.7+, requires menu selection in addition...
- Software downloads 2009-10-02
- BestFLASH (for 4.2.1-4.6.x) (Mobile)
- Useful and fun multifunction light using video light, screen and LED, with separate Quick Light icon for one-touch stay-on video light on device software 4.7+, or one-touch max screen+LED on pre-4.7. - Flashlight (any-color dimmable LED+screen, one-touch switch to cam light when configured in 4.7+, requires menu selection in addition...
- Software downloads 2009-10-02
- USB Overdrive 3.0.1 (Mac)
- The USB Overdrive is a device driver for Mac OS X that handles any USB mouse / trackball / joystick / gamepad / media keyboard and any Bluetooth mouse from any manufacturer and lets you configure them either globally or on a per-application, per-device basis. It reads all kinds...
- Software downloads 2009-09-29
- iBlackberryV2(default hierarchy)-COPY (Mobile)
- The return of the iBlackberry, equipped with dedicated improvements! A Theme Is Forever is the slogan! Nice feeling Guaranteed!The very best theme is now updated according to many users' feedback: We made the theme's icons position as much as factory default, so you can enjoy a seamlessly feeling, you dont...
- Software downloads 2009-09-29
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