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The ball in the mouse is used to make the mouse work.
X and Y rollers grip the ball and transfer movement and from there:
Optical encoding disks include light holes and Infrared LEDs shine through the disks.
Finally:
Sensors gather light pulses to convert to X and Y vectors.
Wiki User
∙ 11y ago
Wiki User
∙ 11y agoit is mainly used for portable computers or laptops.
Wiki User
∙ 15y agoThe trackball is often used as a supplement or replacement for the standard computer mouse. Many users feel that the trackball is more comfortable and ergonomic.
Wiki User
∙ 11y agoA trackball means that the cursor can be moved around the screen without having to physically move the mouse. This is handy on a workstation that is short on desk space.
Wiki User
∙ 13y agoin houses
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Wiki User
∙ 11y agotrack ball is like an mouse
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What type of blackberry is it when it has the rolling thing?
I assume you mean a trackball. Most BlackBerries with trackballs are from the 8xxx series. Before that, they used roller wheels (7xxx and below), and after that (9xxx) they used an optical trackball (with a few exceptions, such as the Tour (9630 and 9650), which use an improved trackball, and now with the BB10 series they have touchscreen-only interfaces.
Why is the trackball a input?
A trackball just like any other type of mouse are all considered to be input devices.You plug them in and when they are used, they send information into the CPU to do an action in your computer.
What is the difference between standard and norm?
norm is genrally whereas standards are not genrally.
Why trackball is more suitable to be used with laptop rather than a mouse?
A trackball can move a cursor without needing a hard or level surface. A mouse needs such a surface to operate effectively.
What can a cordless trackball be used for?
A cordless trackball is a type of human interface device for the computer. Specifically, it is an input device used to control the mouse cursor on a computer screen buy way of spinning a ball on top of the device with your fingers.
I have a trackpad and i dont like it and want a trackball would i be able to put a trackball on a blackberry torch 9800?
You cannot change the trackpad out for a trackpad. If you want a trackball you need to get a Blackberry with a trackball such as a Tour 9630 or Curve 8330.
What are three principal pointing tools used with micro computers?
mouse, trackball, pen
What is used on a laptop instead of a reagular mouse what is this called?
Could be a mouse, a trackball or a touchpad.
Where can one buy a Microsoft trackball?
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.
Who invented the trackball?
AnswerAccording to the web site www.trackballworld.com the trackball was invented in 1949 by two Canadian engineers working on a new radar system. Full reference citation: http://www.trackballworld.com/trackball-history.htmlTom Cranston and Fred Longstaff invented the trackball.
What is the use of a litmus paper?
litmus paper is genrally used to verify whether a substance is acid or base
Where can a wireless trackball be bought?
A wireless trackball mouse can be purchased from many different retailers and stores. Some examples of stores that sell wireless trackball mouses include NewEgg and Radio Shack.
