Introductie Informatica en Informatiekunde/tentaminering/Taak1A. Workflow

Hier het overzicht van Introductie Informatica en Informatiekunde/materiaal/workflow:

concept	definition	world	special cases	examples				remark
				kitchen	example	example	example
product object	Substances, information, people, or money that are objects of processing	reality	ingredient, raw product, half product, end product, catalysator	spices, flour, pasta, meat, beefsteak, boeuf Stroganoff
instrument means	A →thing that is used for production	reality	plant, vehicle, resource	gas ring, pan, sieve				An instrument can only be used once at any moment. One production step can require several instruments. The same intrument can be necessary for different production steps, in which case conflicts have to be resolved.
production step activity	takes some products as ingredients (precondition), performs some operation, thereby using some instrments for a certain time, and produces some products (postcondition)	reality	thread?	input: the white of 3 eggs; instrument: food processor; output: whipped eggs				the crossing point of a service and a batch
batch	a quantity of products moving from production step to production step resulting in one end product	reality		1 egg, 50 g flour and 1 dl milk being mixed and becoming a pancake in several production steps				orthogonal to service
service	the iterative execution of a production step with the same instrument for different batches	reality	actor, task	the cutting of vegetables with the same knife on the same plate for many dishes				orthogonal to batch
scenario	all production steps that actually happen in a period of time	reality						Within a scenario, many batches and services can be identified.
recipe	The specification of a class of batches that result in a certain product	description						A recipe for a product. Recipes usually specify partial orders of production steps, where the products of steps are ingredients for other steps.
functionality	The specification of a service	description						the functionality of a service
protocol	The specification of an interface between two services that exchange products	description						A protocol is an agreement about how two services are to be linked operationally, i.e. concerning input/output and place/time (synchronization etc.).
order	A bag of pairs (product, due date)	description						A scenario conforms to an order if it contains a production step that produces the ordered product at the ordered moment.

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