QWERTY - seriously that is what it is called.
because the inventor of the keyboards last name was qwerty
well qwerty keyboards are different form abc keyboards to tell if the keyboard is qwerty or not look along the top row of letters abc keyboards will say abc at the top qwerty keyboards will say qwerty at the top sorry if this is not the answer you want wrong! The answer is, that QWERTY is the first Six letters of the keyboard on the top left side.
It never has been necessary to use a qwerty keyboard. I know for a fact that Greece uses very different keyboards. It's just that qwerty keyboards were the original keyboards.
Yes, many LG cellphones supported by Verizon have QWERTY keyboards. You can find some examples online at websites like www.verizonwireless.com/ or www.lg.com
answer
The letters on the earliest keyboards werearranged alphabetically, but were re-arrranged to reduce the frequency of jams and clashes in early mechanical typewriters. See Wikipedia article "QWERTY": http://en.wikipedia.org/wiki/QWERTY
Touchscreen QWERTY is referring to the QWERTY keyboard on your touchscreen phone. A QWERTY keyboard is the one that is likely in front of your computer. It's not in alphabetical order like some keyboards.
there are the QWERTY keyboards and the AZERTY keyboards (hope this is what you meant)
qwerty
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All American ones. But in other countries, the keyboards are different.