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Credit card transaction using data flow diagram?
credit card flow diagram
How do credit card transactions actually process?
To process a credit card transaction the merchant sends the authorization request to First Data Merchant Services. FDMS then sends the card and purchaser information to the issuing bank, if everything checks out and the cardholder has the balance on the card then the approval is sent back to the merchant.
What is a back-up in data storage?
A redundancy or duplication of data.
What is the total consumer debt in America equals?
The Federal Reserve statistics combined with other agency data totaled consumer debt from credit card, mortgages and student loads at $11.68 trillion. This figure is from data compiled in April 2014.
How do you use a key card?
A key card - is a security device. It's normally used to restrict who can access certain parts of buildings, or computers. It consists of a plastic card about the size of a credit-card, which has data embeded on a chip or magnetic strip. The card is either inserted into or swiped across a card-reader - if it's valid, access is granted. Key cards areusually combined with passwords - in case the card is lost or stolen.
What are some of the problems with this method of data storage for a credit card?
Becuase it can yo mama
What method does an SDHC card use for data storage and retrieval?
An SDHC card uses flash memory technology for data storage and retrieval.
Memory card input or output?
Neither, it is a storage device (removable storage).
What is electronical card reader?
A card reader is a data input device that reads data from a card-shaped storage medium. ... A memory card reader is a device used for communication with a smart card or a memory card. A magneticcard reader is a device used to read magnetic stripe cards, such as credit cards.
What is an electronic card catalog?
A card reader is a data input device that reads data from a card-shaped storage medium. ... A memory card reader is a device used for communication with a smart card or a memory card. A magneticcard reader is a device used to read magnetic stripe cards, such as credit cards.
Credit card transaction using data flow diagram?
credit card flow diagram
What types of data can you encrypt on a storage card on Windows Mobile PDAs?
You may encrypt ANY data that you normally store on your WM storage card, e.g.* Customer data * Patient records * Bank and credit card account numbers * Videos, .mp3 and other media files * Family and private data* Personal files, notes and images * Database files In fact, it would be wise to encrypt any data that could possibly compromise you, your family or your company (compromising customer data can be quite costly to your business).
For what purposes is a datacard used?
Approximately the size of a standard credit card, a datacard is a removable computer component. It is used to add functions to a device or to allow for greater data storage, hence known as a memory card.
What devices will have its data scrambled by a magnet?
A credit card
Is data for a credit card a file or record?
The data pertaining to a single card - is a record. The data relating to more than one card for the same customer - is a file.
What data is on a credit card magnetic strip?
Why do credit cards have a magnetic stripe on the back
What features does the data card for a cell phone provide?
A data card for a cell phone provides features such as storage for photos, videos, and music, as well as the ability to transfer data between devices and expand the phone's storage capacity.
