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

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

    Entering a password to sign in to your AOL account can sometimes feel like a hassle, especially if you forget it. If your smart device is enabled with biometric authenticators like a fingerprint sensor or facial recognition technology, you can sign in with ease. Enable biometric sign in

  3. McAfee AOL Premium Subscription FAQs - AOL Help

    help.aol.com/articles/mcafee-aol-premium...

    Firewalls, virus software and registry protectors are helpful tools – except when they block the download of McAfee software. To prevent this from happening, configure your computer’s system software so there is no conflict. If problems persist, contact McAfee or call the tech support for the software already installed on your computer.

  4. Touch 'n Go eWallet - Wikipedia

    en.wikipedia.org/wiki/Touch_'n_Go_eWallet

    Touch 'n Go eWallet is the first and only eWallet to offer a money-back guarantee feature on its eWallet. It is a protection feature in the Touch ‘n Go eWallet, that in the unlikely event an unauthorised transaction is made on the user’s eWallet account, Touch 'n Go eWallet will refund the disputed amount, provided that the requirements ...

  5. Data Carrier Detect - Wikipedia

    en.wikipedia.org/wiki/Data_Carrier_Detect

    The serial DCD pin can be used to accurately detect a PPS signal, as described in RFC 2783: [1] One convenient means to provide a PPS signal to a computer system is to connect that signal to a modem-control pin on a serial-line interface to the computer. The Data Carrier Detect (DCD) pin is frequently used for this purpose.

  6. Terminal verification results - Wikipedia

    en.wikipedia.org/wiki/Terminal_verification_results

    The TVR is a series of bits set by the terminal reading an EMV card, based on logical tests (for example has the card expired). This data object is used in the terminal's decision whether to accept, decline or go on-line for a payment transaction. The format of the TVR is as follows: [2] [3]

  7. Digital wallet - Wikipedia

    en.wikipedia.org/wiki/Digital_wallet

    The information component is basically a database of user-input information. This information consists of your shipping address, billing address, payment methods (including credit card numbers, expiry dates, and security numbers), and other information. Digital wallets are composed of both digital wallet devices and digital wallet systems.

  8. Watchdog timer - Wikipedia

    en.wikipedia.org/wiki/Watchdog_timer

    One pin receives the timer restart ("kick" [a]) signal from the computer; another pin outputs the timeout signal. A watchdog timer (WDT, or simply a watchdog), sometimes called a computer operating properly timer (COP timer), is an electronic or software timer that is used to detect and recover from computer malfunctions. [1]

  9. Touch 'n Go eWallet - Wikipedia

    en.wikipedia.org/wiki/Touch_'n_Go

    KLIA check-in Touch 'n Go card users can no longer access the airline check-in counters at KL Sentral using their Touch 'n Go card as of June 2015. The Touch 'n Go card can still be used (RM55 each way) to board the KLIA Express itself, but travellers will need to check-in at KLIA instead.