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  2. 1234 (number) - Wikipedia

    en.wikipedia.org/wiki/1234_(number)

    It is the number of independent vertex sets in a 4×4 square grid, or equivalently, the number of distinct 4×4 binary matrices in which no two adjacent elements are both equal to 1. [ 2 ] A 2012 study of frequently-used personal identification numbers (PIN) found that, among 4-digit PIN codes, 1234 is the most frequently chosen.

  3. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

    A personal identification number (PIN; sometimes redundantly a PIN code or PIN number) 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 financial ...

  4. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name. A numeric character reference uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form.

  5. Use Face, Fingerprint or PIN to sign in to AOL - AOL Help

    help.aol.com/articles/use-face-fingerprint-or...

    Many smart devices are equipped with biometric authenticators. Learn how to use face, fingerprint or PIN authentication on your smart device to sign in.

  6. List of XML and HTML character entity references - Wikipedia

    en.wikipedia.org/wiki/List_of_XML_and_HTML...

    In HTML and XML, a numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.

  7. Fix problems signing into your AOL account - AOL Help

    help.aol.com/articles/help-signing-in

    Use the Sign-in Helper to locate your username and regain access to your account by entering your recovery mobile number or alternate email address.; To manage and recover your account if you forget your password or username, make sure you have access to the recovery phone number or alternate email address you've added to your AOL account.

  8. Costco boss warns of potential price hikes due to Trump tariffs

    www.aol.com/news/costco-boss-warns-potential...

    (The Center Square) – A Costco executive warned consumers that potential price hikes in stores could be a result of President-elect Donald Trump's proposed tariffs.

  9. Identity document - Wikipedia

    en.wikipedia.org/wiki/Identity_document

    The Identity Card is a smart card that has a state-of-art technology in the smart cards field with very high security features which make it difficult to duplicate. It is a 144KB Combi Smart Card, where the electronic chip includes personal information, 2 fingerprints, 4-digit pin code, digital signature, and certificates (digital and encryption).