_________ allows an issuer to access regional and national networks that connect point of sale devices and bank teller machines worldwide.

________ is a technology that enables devices to share data with each other by touching them together or bringing them very close to each other

Fill in the blank(s) with correct word

A(n) ________ is a message sent back to inform the email sender that you have opened, and presumably read, the message

Fill in the blank(s) with correct word