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

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

    A USB or a USB-C to insert the security key or you can connect it wirelessly using Bluetooth or NFC. The latest version of Chrome, Edge, Firefox, Safari or Opera. A FIDO Universal 2nd Factor (U2F) compatible security key that can plug into the USB or lightning port for your device or connect wirelessly using Bluetooth or NFC.

  3. Personal unblocking key - Wikipedia

    en.wikipedia.org/wiki/Personal_unblocking_key

    A personal unblocking key ( PUK ), sometimes called personal unblocking code ( PUC ), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten. Most mobile phones offer the feature of PIN protection. After switching on the phone, if the PIN security function is active, the user is required to enter a ...

  4. Universal asynchronous receiver-transmitter - Wikipedia

    en.wikipedia.org/wiki/Universal_asynchronous...

    Example of a UART frame. In this diagram, one byte is sent, consisting of a start bit, followed by eight data bits (D1-8), and two stop bits, for a 11-bit UART frame. The number of data and formatting bits, the presence or absence of a parity bit, the form of parity (even or odd) and the transmission speed must be pre-agreed by the communicating parties.

  5. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

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

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

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

    Call live aol support at. 1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more.

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

    www.aol.com/personal-identification-number-pin...

    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 ...

  8. Motorola 6809 - Wikipedia

    en.wikipedia.org/wiki/Motorola_6809

    The Motorola 6809 (" sixty-eight-oh-nine ") is an 8-bit microprocessor with some 16-bit features. It was designed by Motorola 's Terry Ritter and Joel Boney and introduced in 1978. Although source compatible with the earlier Motorola 6800, the 6809 offered significant improvements over it and 8-bit contemporaries like the MOS Technology 6502 ...

  9. Motorola 6847 - Wikipedia

    en.wikipedia.org/wiki/Motorola_6847

    MC6847T1 Pinout [ 2] The MC6847 is a Video Display Generator (VDG) first introduced by Motorola in 1978 [ 3] and used in the TRS-80 Color Computer, [ 4] Dragon 32/64, [ 5] Laser 200, [ 6] TRS-80 MC-10 / Matra Alice, [ 7] NEC PC-6000 series, [ 8] Acorn Atom, [ 9] Gakken Compact Vision TV Boy [ 10] and the APF Imagination Machine, [ 11] among ...