Time – triggered business events are initiated by the
arrival of predetermined time or date. A time-triggered business event happens when
a prearranged time is reached. This is based on either a periodic occurrence,
fixed time interval, or a certain amount of time elapsing since another
business event.
For example – A computer system checks the available memory
2.4 microseconds after the last time it checked.
Actors
When the product use case is determined, there should always
be some Actors who interact with the product. Actors are the people or systems
that interact with the automated product or sometimes are the adjacent systems
that are outside the work, more clearly like the organization’s customers.
Actors are involved in every product use case and the product’s boundary.
Different notations are being used for actors according to the way in which
they interact with the product.
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