There's no need to give that question a second thought, unless one observes
the dietary laws AND is planning to eat his keyboard. In that case, a competent
rabbinic authority should be consulted.
How are they different from keyboards?
there are the QWERTY keyboards and the AZERTY keyboards (hope this is what you meant)
Wireless keyboards have just as long of a life expectancy as wired keyboards, but they do need their batteries replaced periodically.
They didn't have keyboards back then. They had typewriters
Um... did you buy a "Keyboards?"
Older style office keyboards and specific purpose keyboards have F13. Most general keyboards don't have it.
It is kosher so long as it is certified kosher.
Fox meat is not kosher. See:More about what is and isn't kosher
It needs to be cooked in a kosher vessel and have kosher ingredients. If purchased, it (or the bakery) should have kosher-certification.
Yes and no. There are many recipes that can be made kosher with kosher substitutes.
Wireless keyboards can be very coslty, because they have less hassle than the regular keyboards. You can visit Office Max, Office Depot; to find out how much the keyboards cost.
i would say yes, Yamaha are generaly over all a good make for keyboards.