In the 1-to-1 mode a user must first either present an ID card or enter a PIN. The reader then looks up the template of the corresponding user in the database and compares it with the live scan. The 1-to-1 method is considered more secure and is generally faster as the reader needs to perform only one comparison. Most 1-to-1 biometric readers are "dual-technology" readers: they either have a built-in proximity, smart card or keypad reader, or they have an input for connecting an external card reader. 

There are two types of smart cards: contact and contactless. Both have an embedded microprocessor and memory. The smart card differs from the proximity card in that the microchip in the proximity card has only one function: to provide the reader with the card's identification number. The processor on the smart card has an embedded operating system and can handle multiple applications such as a cash card, a pre-paid membership card, or an access control card.
Your psychic reading can give you the chance to see if you are heading down the right track or if trouble is lurking around the corner. Psychics can reaffirm something you already know, or give you new insights and point of view. After your reading, you will have a greater sense of clarity and control over everything life has been sending your way.

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Whether you're looking for advice from an empath, or a tarot card reading from a skilled card reader, any and every type of reading can be done accurately over the phone. You don’t have to spend hours with a telephone psychic to get important insights and answers to your questions. If you feel you are not connecting well with an Advisor, it’s OK to say so and continue browsing until you find someone with whom you truly connect.
Live video readings are a great way to easily form a connection with your clairvoyant if you are a more face-to-face kind of person. With this method, you can receive predictions, ask questions, and gain insight the same way you would if you were chatting online or over the phone. The main difference is you both are able to actually see one another.  
External devices that can read a Personal identification number (PIN) or other information may also be connected to a keyboard (usually called "card readers with PIN pad"). This model works by supplying the integrated circuit on the smart card with electricity and communicating via protocols, thereby enabling the user to read and write to a fixed address on the card.
Memory Card Supported: CompactFlash Type I, CompactFlash Type II, Microdrive, Secure Digital (SD) Card, Secure Digital High Capacity (SDHC), miniSD Card, MultiMediaCard (MMC), MMCplus, Reduced Size MultiMediaCard (RS-MMC), MMCmobile, microSD Card, microSD High Capacity (microSDHC), TransFlash, Memory Stick, Memory Stick Duo, Memory Stick PRO, Memory Stick PRO Duo, Memory Stick Micro (M2)
A reader radiates a 1" to 20" electrical field around itself. Cards use a simple LC circuit. When a card is presented to the reader, the reader's electrical field excites a coil in the card. The coil charges a capacitor and in turn powers an integrated circuit. The integrated circuit outputs the card number to the coil, which transmits it to the reader.