Data and Information

What is data?

• Data is information that has a meaning.

• Data is anything that you can process

• Data is raw facts and figures before they are been processed.

• Data is information that has a context and a meaning

Select two data types from the options below?

• Password

• Username

• Date

• Boolean

What is information?

• Information is raw facts and figures before they have been processed.

• Information is data without meaning?

• Information is data that has been processed and has a meaning.

• Information is data before being processed

Select an example of "Text" data type from the options below.

• 78659332

• DB7&~?->hT5

• 09/03/2024

• Yes / No

Select two data validation tools from the options below.

• Mind map

• Data type check

• Flowchart

• Input mask Format check

Select two validation tools from the options below.

• Presence check

• Length check

• Visualisation diagrm

• Wireframe

Select two verification tools from the options below.

• Range check

• Double entry

• Limited Choice

• Manuel checking

Define the term "Verification". Choose 1 answer below.

• Verification is where you check that the data entered matches the original data that you entered.

• Verification is making sure that data entered is sensible and reasonable.

• Verification is making sure that data entered is correct

• Verification is not making sure that data entered is incorrect

Describe one disadvantage of validation and verification. Choose one answer.

• Verification makes sure the data entered is correct

• Validation makes sure the data entered is correct

• Neither verification and validation tools check that the data is correct but rather that it meets entry requirements.

• Both are always reliable

Name the validation tool that you would use if inputting a price.