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Data Flow (Chapter 5) - Coggle Diagram
Data Flow (Chapter 5)
Process control
Composed of
Sub-systems
Executor process unit
Controller unit
Connectors
System depends on: Control Variables
Suitable for embedded System
Pipe & Filter
Basic Concepts
Data Sink
Filter: independent data stream transformer
Pipe: data conduit (ống dẫn)
Data Source
3 way to make data flow
Push only (Write only)
Pull only (Read only)
Pull/Push (Read/Write)
Similar to Batch Sequence
Batch Sequential
Widely used in 1950's - 1970's
Example: Mainframe computer
Traditional data processing model