Money Transfers To Adwords

Does any body knows how do these transfer act?
Can you transfer the money from your card to Adwords like to an account? When you pay to adwords do they take every time (for example) $1?
The bank offered me two kinds of debit cards:
MasterCard(pay $200 and get them back when you destroy it.transactions cost 0.5% of the sum)
Visa Electron(pay $50.transaction is=$2+1%of what you tranfered .POS terminal tranfers are free).
The POS Terminals are like small machines which can be seen in...

Money Transfers To Adwords

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