Virtual keyboards provide an alternative to conventional keyboards and are beneficial for those with limited hand mobility. They can be activated through a computer mouse or alternative devices such as head or eye movement. Portable devices also have virtual keyboards accessible with a stylus.
The virtual keyboard is a product software innovation that provides an alternative to using a conventional computer keyboard. Sometimes referred to as a laser keyboard, it provides a simple and effective solution for people who are unable to use standard keyboards. Currently, there are several emulator programs on the market that can be added to any desktop or laptop system and create a virtual keyboard environment.
Uploading software for a virtual keyboard is no different than uploading any software package. Once placed, the keyboard can be activated and left to reside on the desktop for easy access. When it comes to working with the keyboard, different software packages will use different input devices. In some cases, the actual keyboard is used to activate the virtual component, and then the mouse can be used to navigate to the virtual keys, allowing the user to type by selecting the right keys on the display. This format is often very helpful for people who suffer from any condition that limits hand mobility.
In addition to operating through the use of a computer mouse, there are a couple of alternative devices available with some virtual keyboard software. The headmouse and the eyemouse are excellent solutions when the mobility of the body is impeded. Using laser technology, it is possible to operate the virtual keyboard with the use of simple head movements, or even by blinking.
Portable devices are often equipped with a virtual keyboard as well. In this type of application, the keyboard is usually accessed and manipulated using a stylus included with the unit. By simply holding the stylus in one hand, you can draft messages, navigate through archived documents, and make entries into spreadsheets stored on your hard drive. While not as easy to use as virtual keyboard solutions offered for desktop and laptop computers, virtual keyboards loaded on personal data assistants eliminate the need to attach a foldable keyboard to your PDA to work with documents and programs.
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