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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 ...
t1 = _FREETIMER t2 = _FREETIMER ON TIMER (t1, 1) GOSUB Timer. Trap 'the code following the Timer.Trap label will be run every 1 second ON TIMER (t2,.5) mySub 'QB64 can also trigger a SUB procedure with TIMER; ' in this case mySUB will be triggered every 500 milliseconds 'activate timers: TIMER (t1) ON TIMER (t2) ON DO 'go into an infinite loop until the window is closed _LIMIT 1 'run the main ...
Grindstone is a freeware Microsoft Windows desktop application that allows users to create and organize tasks and to track time.The application features a Task List window for managing tasks and time, a desktop gadget-like stopwatch for controlling the timer, and can produce reports and detect when the user is away.
In computer science and software engineering, busy-waiting, busy-looping or spinning is a technique in which a process repeatedly checks to see if a condition is true, such as whether keyboard input or a lock is available. Spinning can also be used to generate an arbitrary time delay, a technique that was necessary on systems that lacked a ...
In software engineering, a spinlock is a lock that causes a thread trying to acquire it to simply wait in a loop ("spin") while repeatedly checking whether the lock is available. Since the thread remains active but is not performing a useful task, the use of such a lock is a kind of busy waiting .
Xpert-Timer Pro and Xpert-Timer Basic are Windows-based, Xpert-Timer Web runs in a browser and Xpert-Timer Mobile runs on Android devices. All versions are designed for tracking time on projects and/or tasks. All versions of the software include a To-Do List, the timestamp list and an activity report.
A control loop is the fundamental building block of control systems in general and industrial control systems in particular. It consists of the process sensor, the controller function, and the final control element (FCE) which controls the process necessary to automatically adjust the value of a measured process variable (PV) to equal the value of a desired set-point (SP).
The user can be the source of an event. The user may interact with the software through the computer's peripherals—for example, by typing on a keyboard or clicking with a mouse. Another source is a hardware device such as a timer. Software can also trigger its own set of events into the event loop, such as by communicating the completion of a ...