
Understanding Data Flow Diagrams (DFDs)
Authored by Muhammad Asif
Computers
12th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does DFD stand for?
Data Function Diagram
Data Flow Diagram
Data Format Diagram
Diagram Flow Data
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of a DFD?
To document the user interface of systems
To list all the components of a system
To illustrate the programming logic behind systems
To show how data moves around a system
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a rectangle symbolize in a DFD?
An external entity
A process
A data store
A data flow
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a DFD, what does an external entity represent?
A database or file where data is stored
The movement of data between components
A process that transforms data
An object, often a human, that interacts with the system
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How should a data store be visually represented in a DFD?
As an arrow
As a triangle
As a circle
As a rectangle with a missing edge
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Level Zero DFD?
A detailed breakdown of all system processes
A high-level overview of the system
A DFD that includes external entities only
A DFD that focuses on data storage
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the backup system example, who initiates the backup process?
The file manager
The database
An IT technician
The storage device
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