Tugas 7 APSI
Tugas 7
Pengertian Process Modelling
Process modeling adalah proses pembuatan representasi visual atau diagramatis dari suatu proses bisnis atau sistem. Ini melibatkan penggunaan simbol, notasi, atau bahasa formal untuk menggambarkan alur kerja, langkah-langkah, hubungan antara entitas, dan aktivitas yang terjadi dalam suatu proses.
Tujuan dari process modeling adalah untuk memahami, menganalisis, dan mengkomunikasikan proses bisnis secara jelas dan terstruktur. Ini membantu dalam identifikasi kelemahan, perbaikan proses, pengenalan otomasi, dan pemodelan ulang proses yang lebih efisien.
Data Flow Diagram
DFD (Data Flow Diagram) adalah salah satu teknik pemodelan yang digunakan untuk menggambarkan alur data dalam suatu sistem atau proses bisnis. DFD menggunakan notasi grafis untuk menggambarkan aliran data, proses yang memanipulasi data, entitas eksternal yang berinteraksi dengan sistem, dan penyimpanan data. DFD digunakan untuk menggambarkan bagaimana data bergerak melalui suatu sistem atau proses, tanpa memperhatikan aspek teknis yang lebih rinci.
Komponen utama dalam DFD adalah sebagai berikut:
- Proses: Proses dalam DFD mewakili aktivitas yang memanipulasi atau mengubah data. Proses ini dapat berupa perhitungan, pemrosesan data, pengambilan keputusan, atau tugas lainnya yang terjadi dalam sistem. Proses direpresentasikan oleh suatu kotak dengan nama proses di dalamnya.
- Aliran Data: Aliran data adalah data yang bergerak di antara proses, entitas eksternal, dan penyimpanan data dalam sistem. Aliran data direpresentasikan oleh panah yang menunjukkan arah aliran data. Aliran data dapat memiliki nama yang menggambarkan jenis atau isi datanya.
- Entitas Eksternal: Entitas eksternal adalah sumber atau penerima data dari luar sistem. Ini bisa berupa pengguna, sistem eksternal, atau entitas bisnis lainnya yang berinteraksi dengan sistem. Entitas eksternal direpresentasikan oleh suatu persegi panjang dengan nama entitas di dalamnya.
- Penyimpanan Data: Penyimpanan data mewakili tempat penyimpanan data dalam sistem. Ini bisa berupa basis data, file, atau entitas penyimpanan lainnya. Penyimpanan data direpresentasikan oleh suatu bentuk yang mirip dengan alat penyimpanan, seperti hard disk atau folder.
Context Diagram
Berikut merupakan context diagram dari sistem transaski Transmart menggunakan Allobank:
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