Intro to DFD 1

Intro to DFD 1

12th Grade

10 Qs

quiz-placeholder

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Intro to DFD 1

Intro to DFD 1

Assessment

Quiz

Computers

12th Grade

Practice Problem

Easy

Created by

Prynze Reyes

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of Data Flow Diagrams?

To write code

To play games

To communicate with users and managers

To create visual art

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a symbol used in Data Flow Diagrams?

Source/Sinks

Processes

Data Centers

Data flows

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an External Entity represent in a Data Flow Diagram?

People or organizations that send or receive data

Transformations performed on data

Permanent data used by the system

Data in motion

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do Data Stores represent in a Data Flow Diagram?

Data in motion

Permanent data used by the system

Processes performed on data

People or organizations that send or receive data

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about Processes in Data Flow Diagrams?

They are represented by double-headed arrows

They only transfer input to output

They are external entities

They can create new data

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of Decomposition of DFD?

To combine all DFD fragments into one diagram

To create a context diagram

To break down a level 2 process

To show the layers of abstraction

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a good style in drawing DFD?

Creating new data in processes

Minimizing crossed lines

Using meaningless names for data flows

Starting from detailed diagrams and moving upwards

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