Mag­net­ic card is also called mag­net­ic stripe card, swipe card. Mag­net­ic stripe cards are pas­sive devices that con­tain no cir­cuits. It con­tains a mag­net­ic stripe that stores infor­ma­tion. The stan­dard tape strip con­tains three mag­net­ic tracks that are used to store the card’s code data. They are read when swiped through a card read­er.