Duniaedukasi

Dear..my brothers. In this Ramadhan Month 1431H hope we can full fill in with the best activities such as read much more Holy Quran, conduct so many prayers beside the five obligation prayers like doing "Qiyamulail pray or Taraweh, Duha, Sukrul Wudlu, Hajat and another prayer that is done by our Rosullullah Muhamad S.a.w. More over, in this holy month, we hope that we can do our activities like in a previous month. it means, there is no reason to be lazy because we are pasting....,but it should be always spirit for doing anything, have a Ramadhan Month 1431H :)

Well..these days, Object oriented Analysis and Design is more famous than Analysis Structure. we used to be really appreciate and enjoy using tools such as Data Flow diagram, (DFD), Data dictionary and others, the researcher who found them, really give us good science in "Computer Science". Talking about Use case Diagram we can think like using DFD in Analysis Structure, we use Use Case Diagram to know about System when we see from outside system (external world) and what should it have from the system. Use case diagram have at least three components such as actor, use case it self and association. Actor it can be a person or machine or device, let's say for Actor in the ATM system is at least Operator, Customer and Bank. Use case is the component key of the system, without Use Case, the system can not be run, for example Use Case Diagram for Simple ATM system is Use Case Turn On, when the machine turns on for the first time, so the ATM machine can connect to Database Ser