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  2. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

    A personal identification number ( PIN ), or sometimes redundantly a PIN number or PIN code, is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system. The PIN has been the key to facilitating the private data exchange between different data-processing centers in computer networks for ...

  3. What’s a Personal Identification Number (PIN) - AOL

    www.aol.com/finance/personal-identification...

    An individual’s PIN is the four-digit code they set after opening a debit account with their bank of choice. It is used as a layer of authentication when they perform an electronic transaction ...

  4. Password - Wikipedia

    en.wikipedia.org/wiki/Password

    Password. A password, sometimes called a passcode, is secret data, typically a string of characters, usually used to confirm a user's identity. Traditionally, passwords were expected to be memorized, [1] but the large number of password-protected services that a typical individual accesses can make memorization of unique passwords for each ...

  5. National identification number - Wikipedia

    en.wikipedia.org/wiki/National_identification_number

    The identification number has 8-digit standard format: NNNNNNN (N), where N is a numeric digit 0–9. The first numeric digit N has special meaning, and it can be one of the following digits: '1', '5' or '7'. '1': The first-time date of issuance of ID card to the bearer was 1992 or later.

  6. User identifier - Wikipedia

    en.wikipedia.org/wiki/User_identifier

    User identifier. Unix-like operating systems identify a user by a value called a user identifier, often abbreviated to user ID or UID. The UID, along with the group identifier (GID) and other access control criteria, is used to determine which system resources a user can access. The password file maps textual user names to UIDs.

  7. Part number - Wikipedia

    en.wikipedia.org/wiki/Part_number

    Part number. A part number (often abbreviated PN, P/N, part no., or part #) is an identifier of a particular part design or material used in a particular industry. Its purpose is to simplify reference that item. A part number unambiguously identifies a part design within a single corporation.

  8. Microsoft account - Wikipedia

    en.wikipedia.org/wiki/Microsoft_account

    Microsoft account logo. A Microsoft account or MSA (previously known as Microsoft Passport,.NET Passport, and Windows Live ID) is a single sign-on personal user account for Microsoft customers to log in to consumer Microsoft services (like Outlook.com), devices running on one of Microsoft's current operating systems (e.g. Microsoft Windows computers and tablets, Xbox consoles), and Microsoft ...

  9. Biometrics - Wikipedia

    en.wikipedia.org/wiki/Biometrics

    In the second step, some samples are matched with reference models to generate the genuine and impostor scores and calculate the threshold. The third step is the testing step. This process may use a smart card, username, or ID number (e.g. PIN) to indicate which template should be used for comparison.