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  2. Fix problems signing in to AOL Mail

    help.aol.com/articles/fix-problems-signing-in-to...

    If you're using an older or outdated browser, such as Internet Explorer, you may need to access AOL Mail from a different browser. If you don't have an updated or supported browser installed on your computer, update your existing browser or download a new one.

  3. Data Carrier Detect - Wikipedia

    en.wikipedia.org/wiki/Data_Carrier_Detect

    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. Typically, the time-code output of the time source is transmitted to the computer over the same serial line. The ...

  4. McAfee AOL Premium Subscription FAQs

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

    McAfee is designed to protect your computer from viruses, spyware, hackers and identity thieves through award-winning technology that automatically runs scans and updates so you have the most up-to-date protection. McAfee Internet Security uses: Virus protection that guards your whole PC; Spyware protection that blocks potentially unwanted programs

  5. Digital wallet - Wikipedia

    en.wikipedia.org/wiki/Digital_wallet

    This can include purchasing items either online or at the point of sale in a brick and mortar store, using either mobile payment (on a smartphone or other mobile device) or (for online buying only) using a laptop or other personal computer. Money can be deposited in the digital wallet prior to any transactions or, in other cases, an individual ...

  6. Non-maskable interrupt - Wikipedia

    en.wikipedia.org/wiki/Non-maskable_interrupt

    These errors include non-recoverable internal system chipset errors, corruption in system memory such as parity and ECC errors, and data corruption detected on system and peripheral buses. On some systems, a computer user can trigger an NMI through hardware and software debugging interfaces and system reset buttons.

  7. 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]

  8. 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]

  9. EZ-Link - Wikipedia

    en.wikipedia.org/wiki/EZ-Link

    An email address and local mobile number are required to register for an EZ-Link account. Users have to top-up the e-wallet with a debit/credit card, and make payments by scanning the QR code at a retail shop and entering the payment amount. Payment can be authorised with either a 6-digit PIN or the phone's fingerprint scanner.