Data Flow Diagrams

Descrição

AS level Computing (Component 1) Quiz sobre Data Flow Diagrams, criado por Lilli Flahh em 09-06-2018.
Lilli Flahh
Quiz por Lilli Flahh, atualizado more than 1 year ago
Lilli Flahh
Criado por Lilli Flahh mais de 6 anos atrás
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Resumo de Recurso

Questão 1

Questão
What does this symbol represent?
Responda
  • External entity (e.g. user)
  • Process
  • Data store
  • Data flow

Questão 2

Questão
What does this symbol represent?
Responda
  • Process

Questão 3

Questão
What does this symbol represent?
Responda
  • Data flow
  • Data store
  • Process
  • External entity (e.g. user)

Questão 4

Questão
What does this symbol represent?
Responda
  • Data store
  • Data flow
  • External entity (e.g. user)
  • Process

Questão 5

Questão
The Data Flow Diagram is created by the [blank_start]systems analyst[blank_end].
Responda
  • systems analyst

Questão 6

Questão
Data Flow Diagrams allow us to create a [blank_start]graphical representation[blank_end] of [blank_start]how data travels[blank_end] [blank_start]through a system[blank_end].
Responda
  • graphical representation
  • numbered list
  • flowchart
  • special analysis
  • how data travels
  • how the system will work
  • how the budget is spent
  • what techniques are used
  • through a system
  • to make it work
  • through the hardware
  • in tables

Questão 7

Questão
Data Flow Diagrams are important because "one picture is worth 1000 words"
Responda
  • True
  • False

Questão 8

Questão
What is the "employee" an example of in this scenario?
Responda
  • External entity
  • Data
  • Process
  • Data store

Questão 9

Questão
Which of the following are examples of data stores in this situation?
Responda
  • Employee Database
  • Accounts Database
  • Employee
  • Process Payroll
  • Timesheet Details
  • Payment Details

Questão 10

Questão
In this example, data flows from the Accounts Database to the Process.
Responda
  • True
  • False

Questão 11

Questão
Label the entities on this example Data Flow Diagram.
Responda
  • Data store
  • External entity
  • Data itself
  • Data flow
  • Process

Questão 12

Questão
Which of the following shapes is used to represent a Process?

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