Unit 1 Data processing and inf EASY read

What is the plural form of 'datum'?

• Data

• Datas

• Datums

• Datum

What is the main difference between data and information?

• Data has no meaning, whereas information is data given meaning.

• Data is always numerical, whereas information is textual.

• Data is processed by humans, whereas information is processed by computers.

• Data is always correct, whereas information can be incorrect.

Which of the following is NOT a form of data mentioned in the passage?

• Characters

• Symbols

• Graphs

• Audio clips

What is an example of direct data?

• Data from a questionnaire

• Data from the electoral register

• Data from a third-party business

• Data from a purchased database

Which of the following is an example of indirect data?

• Data collected through observation

• Data collected through interviews

• Data from the electoral register

• Data from data logging

What does 'σ' represent in the context of mathematical, scientific, or engineering formulae?

• Standard deviation

• Angular velocity

• Density

• Force

What is the purpose of data logging?

• To collect data using sensors and analyze it

• To conduct face-to-face interviews

• To distribute and collect questionnaires

• To store data in a fixed media