Definition
to define system there two approach that used that is approach procedure and approach element.
approach procedure:
system is a network from procedures mutual connected, gather together to do a activity to finish a certain target. procedure operation series klerikal (writing), involve several persons in one or more departement that used to guarantee handling uniform from business transaction that with to finish a certain activity. sequence activity be used to explain to what that must be done, who do it, when done and how do it.
approach element:
system is a collection from interacted elements to achieve specific-purpose.
Characteristics of System
System has characteristics or certain characters, that is:
a. Components
consist of amount of component interact, and cooperate to form one unitary. components can consist of several subsystems or sub-part, where every subsystem has special function and will influence system process as a whole.
b. Limitation
system limitation is region that limit between a system with the other system or with environment outside it.
c . Environment
outside environment from a system whatever outdoor system limitation that influence system operation. environment outside system can has beneficial and can also harm.
d. Liaison
liaison is a media between one subsitem with the other subsystem. pass this liaison makes power sources flows from subsystem to the other subsystem.
e. Input
energy that putted into into system. input can be in the form of maintenance input and signal input. example in computer system, maintenance input is a program and signal input is a data.
f. Output
Result from energy that processed and classified to be useful product and exile remainder. example for computer system, hot that produced exile remainder, while information useful product.
g. Process
A system can has a processor part that will change input will be product. example: accounting system will processed transaction data will be financial statement and reports other that wanted management.
h. Objectives
a system certain has aim or target. target from system very determine once input that wanted system and product that be produced system. field goal covers vast scope, while objectives cover narrow scope.
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