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  2. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    A telephone keypad using the ITU E.161 standard. A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s that replaced ...

  3. The Key (smartcard) - Wikipedia

    en.wikipedia.org/wiki/The_Key_(smartcard)

    The Key is a contactless ITSO -compatible smartcard developed by the Go-Ahead Group used on buses, trains and other forms of public transport across various areas of the United Kingdom . The Key uses near-field communication to electronically store and transmit information about rail and bus tickets for use on several operators across the UK.

  4. Num Lock - Wikipedia

    en.wikipedia.org/wiki/Num_lock

    Num Lock or Numeric Lock ( ⇭) is a key on the numeric keypad of most computer keyboards. It is a lock key, like Caps Lock and Scroll Lock. Its state affects the function of the numeric keypad commonly located to the right of the main keyboard and is commonly displayed by an LED built into the keyboard. The Num Lock key exists because earlier ...

  5. 2-Step Verification with a Security Key - AOL Help

    help.aol.com/articles/2-step-verification-with-a...

    Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. A security key is a physical device that gets uniquely associated with your AOL account after you enable it. Discover how to enable, sign in with, and manage your security key.

  6. Numeric keypad - Wikipedia

    en.wikipedia.org/wiki/Numeric_keypad

    A numeric keypad, number pad, numpad, or ten key, [1] [2] [3] is the palm-sized, usually-17-key section of a standard computer keyboard, usually on the far right. It provides calculator -style efficiency for entering numbers. The idea of a 10-key number pad cluster was originally introduced by Tadao Kashio, the developer of Casio electronic ...

  7. Get Support-AOL Help

    help.aol.com/contact

    AOL Canada only. Commission for Complaints for Telecom-television Services (CCTS) CCTS is an ... Read more. Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  8. Add, replace or remove AOL account recovery info - AOL Help

    help.aol.com/articles/add-or-update-aol-account...

    Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. Find out how to add or delete a recovery mobile phone number or alternate email address from your AOL account.

  9. Alt code - Wikipedia

    en.wikipedia.org/wiki/Alt_code

    Alt code. On personal computers with numeric keypads that use Microsoft operating systems, such as Windows, many characters that do not have a dedicated key combination on the keyboard may nevertheless be entered using the Alt code (the Alt numpad input method ). This is done by pressing and holding the Alt key, then typing a number on the ...