Data Entry Operator (DEO) Interview Question:

what is dfd?

Submitted by: Administrator

DFDs are constructed using four major components External Entries:External entities represent the source of data as input to the system. Data stores:Data stores represent stores of data within the system. Processes on inside the business depicted in the context diagram.DFDs are constructed using four major components External Entries:External entities represent the source of data as input to the system. Data stores:Data
Submitted by: Administrator

A data flow diagram (DFD) is a graphical representation of the "flow" of data through an information system, modelling its process aspects. A DFD is often used as a preliminary step to create an overview of the system, which can later be elaborated
Submitted by: Subhasish