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it is a keyboard that has no physical cord
No one ! People are idot.
you may loose signal when typing .
advantages of virtual keyboard?
a tropical bird from Egypt
No, it does not have a physical qwerty keyboard.
Nokia n8 have virtual keyboard.No physical keyboard.
a mouse and a keyboard are the same .initially i used to prefer a mouse alone but it had no disadvantages and neither did the keyboard
3. Give the advantages and disadvantages of physical and functional buses
The specific arrangement of keys on a keyboard is a separate issue, from whether you are using physical keys or virtual keys. The virtual keyboard is an alternative to the actual keyboard, not to the QWERTY keyboard.
lips
The current version of the Samsung Galaxy, the Samsung Galaxy S5, does not have a physical keyboard. There are bluetooth-enabled physical keyboards that can easily connect to the Samsung Galaxy smartphone.