Data and Information Quiz

What is the difference between data and information?

• Data is raw and unprocessed.

• Information is processed data with meaning.

• Data can be trusted because it is accurate.

• Information is always up to date.

What are the characteristics of a direct data source?

• Data is collected from a secondary source.

• Only needed data is collected.

• The data can be trusted.

• The data is not up to date.

What is encryption?

• The process of making data understandable.

• The scrambling of data to protect it.

• A method of data storage.

• A way to ensure data accuracy.

What is the purpose of validation?

• To ensure data matches acceptable rules.

• To check if data is accurate.

• To verify the source of data.

• To encrypt sensitive information.

What is batch processing?

• Processing data in real-time.

• Processing sets of data all at once.

• A method of online data entry.

• A way to manually check data.

What is a master file?

• A file containing temporary data.

• A table in a database with information about one set of things.

• A file used for batch processing.

• A file that stores user input.

What is the main advantage of online processing?

• It requires no human interaction.

• It provides immediate feedback.

• It can process large amounts of data.

• It is less prone to errors.

What is real-time processing?

• Data is processed after a delay.

• Data is processed as soon as it is input.

• Data is processed in batches.

• Data is stored for future use.

What is the main purpose of data integrity?

• To ensure data is accurate and consistent.

• To protect data from unauthorized access.

• To improve data processing speed.

• To facilitate data storage.

What does a data warehouse do?

• Stores data for immediate processing.

• Aggregates and analyzes large volumes of data.

• Encrypts sensitive information.

• Validates data accuracy.