Process is activities & action taken on data - Designing the System

Q.  Activities and action taken on the data are represented by circle or round-edged rectangles is called _____ .

- Published on 22 Jul 15

a. Entities
b. Process
c. Data storage
d. Data flow

ANSWER: Process

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    Discussion

  • Nirja Shah   -Posted on 15 Oct 15
    DFD Components

    - DFD's represent Source, destination, storage and flow of data using the following set of components -

    Entities
    - They are the source and destination of information data.
    - Rectangles with their respective names are represented as entities.

    Process
    - Activities and action taken on the data are represented by Circle or Round-edged rectangles.

    Data Storage
    - There are two variants of data storage - it can either be represented as a rectangle with absence of both smaller sides or as an open-sided rectangle with only one side missing.

    Data Flow
    - Movement of data is shown by pointed arrows.
    - Data movement is shown from the base of arrow as its source towards head of the arrow as destination.

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