A virtual keyboard can be defined as a software program component that permits its users to enter all the characters that are required. It is a device that can be operated with the support of various input devices and these devices can include an actual laptop keyboard, a touch screen and also a computer mouse. There are various sorts of virtual keyboards. On a Pc, the most important purpose of employing a virtual keyboard is to provide a definite option for an input mechanism for the customers that have disabilities or for the customers who do not own an on- screen keyboard.

A virtual keyboard can be made use of usually as an on screen input strategy in the devices that do not have any physical keyboard. In such devices there is actually no room for a physical keyboard such as a individual digital assistant, a pocket pc, touchscreen and a tablet computer. The text is inputted frequently by tapping the keyboard or by means of finger tracing. These kinds of keyboards are also utilized as functions of the emulation application for the systems that have considerably fewer buttons when compared to a computer keyboard. The categories of virtual keyboards have been explained below.

• The physical keyboards that have distinct keys can comprise the electronically changeable displays in the a variety of keypads.

• The virtual keyboards can have the touchscreen keyboard layouts and also the sensing areas.

• kawaii keyboard of the optically projected keyboard or the comparable arrangements of the keys and sensing regions.

• The optically detected finger motions and also human hand.

• These keyboards can also permit the input from a assortment of other input devices such as a switch, computer system mouse and also other assistive technology devices.

These keyboards can be place to helpful use in order to lessen the increasing danger of the key stroke logging. For example there are solutions that use a virtual keyboard for the purpose of entering a password. This use of a virtual keyboard makes it complicated for the malware to monitor the display and the mouse to obtain the data that has been entered via the keyboard. The use of a distinct on screen keyboard on which the user can variety with the enable of mouse clicks can boost the threat of any password disclosure by shoulder surfing. Thus there are some safety problems that will need to be taken into consideration in order to make these sorts of keyboards a organic results.