Data Flow and Green IT

Which of the following is a primary data collection method?

• Analysing data from a published research paper

• Conducting a survey to gather customer feedback

• Using government statistics for analysis

• Reviewing historical sales data

Which of these tools is NOT a data analysis method ?

• Data tables

• Infographics

• Statistical software

• Geographical Information Systems

What type of data is suitable for creating charts and graphs?

• Qualitative data

• Secondary data

• Quantitative data

• Primary data

What is secondary data?

• Data collected firsthand by the researcher

• Data collected by another person or organisation

• Data that cannot be quantified or measured

• Data that originates from surveys conducted in-house

In the context of data flow diagrams, what does a "rich picture" provide?

• A detailed list of data sources

• A comprehensive overview of the process

• A numerical analysis of data flow efficiency

• A step-by-step guide to creating DFDs

Which of these is NOT involved in the external flow of information?

• Customers

• Suppliers

• Sales personnel

• Government bodies

Which of these is correct?

• Data flows should only be internal

• Data flows must be slow to ensure accuracy

• Timely and efficient data flows are vital

• Data flows only affect the finance department

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

• To detail every process within a system

• To demonstrate data flows in an organisation

• To highlight specific data storage solutions

• To emphasise the role of senior management

Which of the following describes qualitative data?

• Data that can be measured numerically

• Data involving textual or descriptive information

• Data collected for the first time

• Data that is always secondary in nature

Data Cleaning means deleting obsolete or irrelevant data

• TRUE

• FALSE