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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 are widely used in computers to facilitate automatic correction of temporary hardware faults, and to prevent errant ...
The Command Loss Timer Reset, if it is not received in a timely manner by the spacecraft, generally forces the spacecraft to engage in safety and self-protection procedures. Command Loss Timer Reset systems involve both hardware and software, whereas watchdog timers are essentially hardware-only affairs.
USBKill is anti-forensic software distributed via GitHub, written in Python for the BSD, Linux, and OS X operating systems. It is designed to serve as a kill switch if the computer on which it is installed should fall under the control of individuals or entities against the desires of the owner. [ 1 ]
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A poll message is a control-acknowledgment message.. In a multidrop line arrangement (a central computer and different terminals in which the terminals share a single communication line to and from the computer), the system uses a master/slave polling arrangement whereby the central computer sends message (called polling message) to a specific terminal on the outgoing line.
watchdog timers are a special kind of watchdog, as there are also, e.g. challenge-response watchdogs, time-frame watchdogs, etc. watchdog are a special kind of supervisor. in a hardware design a supervisor is a contraption that supervises the functionality of the device and executes a defined procedure when it detects a failure. a superviser ...
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Performing software-requested CPU reset [1] Controlling the watchdog timer [2] System Management Interrupt (entry to System Management Mode) Bluetooth toggle; Controlling display brightness (built-in LCD or OLED) USB OC (overcurrent) (USB disable) Controlling RGB lighting; Wake-on-LAN