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A software component that allows a user to enter characters.
Commonly used as an on-screen input method in devices.
A virtual keyboard comprising-
A virtual region
At least two sensors
Storage unit
A processing unit


Measures a physical quantity
A device which receives and responds to a signal

Advantages of Virtual Keyboard

Can write message in different language
Can enter special characters like Spanish letters
You can enter characters by swiping on the keyboard.
Capability to hit the shift key twice to switch to caps-lock mode.
Can be projected and touched on any surface.


Virtual keyboard does not provide the same tactile feel.
It is difficult to see the documents being typed on the screen.
Using the touch screen technology screen will become dirty.
Using it on a longer table style device can cause ergonomics issues for the user.


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