When a person buys something from an app store, the cost of the item is charged to a credit card whose number often is known by the app store. On what type of device is the credit card number kept by the - QAmmunity.org

When a person buys something from an app store, the cost of the item is charged to a credit card whose number often is known by the app store. On what type of device is the credit card number kept by the

asked Apr 16, 2020 150k views

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