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Why is Data flow diagram benefcial?
Data Flow Diagram or DFD is made to give an idea as to how a particular process will flow.
How DFD difffer from flow chart?
Flow Chart is a generic term, and DFD is a specific one. Data Flow Diagram (DFD) is a data flow chart to illustrate the data flow/store/change in a component/system/product from the input to the output.
What is the process of transferring data in a continuous flow?
Streaming Data
Where can one find data flow diagrams?
A data flow diagram can be drawn, instead of searching for one. A data flow diagram is simply a diagram with an input process and a output caused by several factors, which in result of the outcome. A data flow diagram can be complex or simple, depending on the information process. A data flow diagram is a visual way of showing structure of a working process, often used during a planning stage of a project.
What are the notations in data flow diagram?
The main notations for a data flow diagram are - Process - Oval Decision - Rhombus Data Storage - Rectangle Open on the Right Data Flow - Single Arrow Resource Flow - Double Arrow
What is control flow?
Flow control is used in data communications. Flow control is a process that manages the rate at which data is transmitted to ensure that it is properly received.
Is the process of transferring data in a continuous and even flow?
H
The burn process requires a constant flow of data to the disc?
YES
When drawing a Data Flow Diagram How do you represent deleting data?
A DFD consists of a set of processes and data stores and shows the flow of data through the system. First create a process node on the diagram and label it that the 'process' is to delete data. If the data is being deleted from a data store then draw an arrow to the data store that the information is being deleted from and label the arrow with the data being deleted. If the data is being deleted from the data flowing into the process node then show the data before the node and then remove the data after the node.
During which stage of the encapsulated data flow process does data pass over the physical medium as bits?
The transport stage
In a DFD a process symbol can have only one or more outgoing data flow?
true
What is the procedure for value stream mapping?
Value stream mapping is a tool that helps you to see and understand the flow of material and information as a product or service makes its way through the value stream. Value stream mapping is typically used in Lean, it differs from the process mapping of Six Sigma.A value stream map will take into account not only the activity of the product, but the management and information systems that support the basic process. You will gain insight into the decision making flow in addition to the process flow. The basic idea is to first map your process, then above it map the information flow that enables the process to occur.For more info: http://business901.com/blog1/value-stream-mapping/
