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  2. Transaction authentication number - Wikipedia

    When the user initiates a transaction, a TAN is generated by the bank and sent to the user's mobile phone by SMS. The SMS may also include transaction data, allowing the user to verify that the transaction has not been modified in transmission to the bank. However, the security of this scheme depends on the security of the mobile phone system.

  3. Northeast blackout of 2003 - Wikipedia

    The Northeast blackout of 2003 was a widespread power outage throughout parts of the Northeastern and Midwestern United States, and most parts of the Canadian province of Ontario on Thursday, August 14, 2003, beginning just after 4:10 p.m. EDT.

  4. Charging station - Wikipedia

    A charging station, also known as a charge point or electric vehicle supply equipment (EVSE), is a piece of equipment that supplies electrical power for charging plug-in electric vehicles (including electric cars, electric trucks, electric buses, neighborhood electric vehicles, and plug-in hybrids).

  5. Communication - Wikipedia

    Communication became mobile. The final stage is characterized by the transfer of information through controlled waves of electromagnetic radiation (i.e., radio, microwave, infrared) and other electronic signals .

  6. Multi-factor authentication - Wikipedia

    Multi-factor authentication (MFA; encompassing two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism: knowledge (something only the user knows), possession (something only the ...

  7. Hardware random number generator - Wikipedia

    In computing, a hardware random number generator (HRNG) or true random number generator (TRNG) is a device that generates random numbers from a physical process, rather than by means of an algorithm. Such devices are often based on microscopic phenomena that generate low-level, statistically random " noise " signals, such as thermal noise , the ...

  8. Telephone - Wikipedia

    Mobile phones require a SIM card to be inserted into the phone. The SIM card is a small PVC card containing a small integrated circuit which stores the user's international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers to the cellular network.

  9. List of free and open-source software packages - Wikipedia

    This is a list of free and open-source software packages, computer software licensed under free software licenses and open-source licenses. Software that fits the Free Software Definition may be more appropriately called free software ; the GNU project in particular objects to their works being referred to as open-source . [1]