Data Flow Diagram Quiz

What is one process shown in the data flow diagram?

• Enquiry handling

• Payment processing

• Class scheduling

• Student registration

Which feature could affect the flow of information in the data flow diagram?

• Network speed

• Color of the diagram

• Font size used

• Paper quality

Which of the following is a correct link in a Level 1 Data Flow Diagram (DFD)?

• Data Flow to Data Store

• Data Store to External Entity

• External Entity to Process

• Process to Data Flow

What is one of the tasks mentioned for handling applications?

• Data analysis

• Enquiry handling

• System design

• Code debugging

Which of the following is NOT a task listed for application handling?

• Enquiry handling

• Application receipt

• Review application

• System testing

What is the purpose of a Data Flow Diagram (DFD) ?

• To design user interfaces

• To understand the process flow of information

• To create database schemas

• To develop software code

Which of the following is a component of a Data Flow Diagram (DFD)?

• External Entity

• Flow Chart

• Data Store

• Control Flow

What is the correct rule regarding data flow direction in a DFD?

• Data can flow in any direction.

• Data only flows in one direction.

• Data must flow in a circular path.

• Data flows in two directions simultaneously.

Which of the following is a connectivity rule for DFDs?

• At least one input/output for each external entity.

• Data must flow in a loop.

• Every data flow connects to at least two processes.

• Data can skip processes.

In a DFD, what must every data flow connect to?

• At least one process

• At least two external entities

• At least one data store

• At least two processes