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2. 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), [1] is an electronic or software timer that is used to detect and recover from computer malfunctions. Watchdog timers ...

3. Heartbeat (computing) - Wikipedia

   en.wikipedia.org/wiki/Heartbeat_(computing)

   In computer science, a heartbeat is a periodic signal generated by hardware or software to indicate normal operation or to synchronize other parts of a computer system. [1] [2] Heartbeat mechanism is one of the common techniques in mission critical systems for providing high availability and fault tolerance of network services by detecting the network or systems failures of nodes or daemons ...

4. Open Pluggable Specification - Wikipedia

   en.wikipedia.org/wiki/Open_Pluggable_Specification

   Computing modules in the OPS format are available on Intel- and ARM-based CPUs, running operating systems including Microsoft Windows and Google Android. The main benefit of using OPS in digital signage is to reduce downtime and maintenance cost by making it extremely easy to replace the computing module in case of a failure.

5. List of video connectors - Wikipedia

   en.wikipedia.org/wiki/List_of_video_connectors

   The signal standard and pinout are backward-compatible with CGA, allowing EGA monitors to be used on CGA cards and vice versa. Early VGA cards also used this connector. VGA connector (DE-15) Became a nearly ubiquitous analog computer display connector after first being introduced with IBM x86 machines.

6. NYT ‘Connections’ Hints and Answers Today, Friday, December 13

   www.aol.com/nyt-connections-hints-answers-today...

   Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT 'Connections’ hints and answers for #551 on Friday ...

7. Power-on self-test - Wikipedia

   en.wikipedia.org/wiki/Power-on_self-test

   No RAM installed/detected Three successive tones followed by a repeating five-second pause: Incompatible RAM types; No good banks One long tone while the power button is held down: EFI ROM update in progress (For Macs made until 2012) Three long tones, three short tones, three long tones: EFI ROM corruption detected, ROM recovery in process

8. AOL Mail is free and helps keep you safe.

   mail.aol.com/?rp=webmail-std/en-us/basic

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Non-maskable interrupt - Wikipedia

   en.wikipedia.org/wiki/Non-maskable_interrupt

   On some systems, a computer user can trigger an NMI through hardware and software debugging interfaces and system reset buttons. Programmers typically use debugging NMIs to diagnose and fix faulty code. In such cases, an NMI can execute an interrupt handler that transfers control to a special monitor program. From this program, a developer can ...