A timer is available as software, application, program or hardware that measures or counts down the time elapsed between two events.
A timer can also measure a certain time and signal the user when the time has expired, this is a so-called countdown timer, which is known for rocket launches, explosions, .... Uses of a timer include measuring the elapsed time between the start and end of an event, or the elapsed time between two mouse clicks.
You can find many different software timers on the internet by searching for software timers or countdown timers, online timers or online countdowns!
There are timers for everything, sports, cooking, appointments, .... a simple alarm clock, egg timer, ... is also a timer!
Most applications have built-in timers. Timers where they are needed! In a processor that is not only required for time measurement, but these can also be used as counters. Here they are used to count an action or event. The value of the counter increases by one each time the corresponding action or event occurs.
The timer can also be a device for controlling machines, devices or the like in a certain way at a predetermined time, for example in an internal combustion engine, where the spark ignites at the required time.