Cambridge National IT LO3 - Understanding Data!

What is data?

• A formula for converting information.

• Raw facts and figures before they have been processed.

• Information in context.

• Processed information.

Which are the correct data types?

• Text.

• Currency.

• Division.

• Fraction.

• Single letter.

What are the main points of data?

• Data has no meaning

• Data is information open to the public

• Data is raw facts and figures before they have been processed

• Data can be made up of letters, numbers, symbols, graphics and sound

Which of the following is an example of data?

• NAT23%7

• 00100010101000

• House

• 56GHS56

True or False belongs to which data type?

• Alphanumeric

• Text

• Boolean

• Limited choice

What is information?

• Information when processed creates data

• Information is nothing without data

Which of the following are methods used to collect and store data/information?

• Questionnaire and surveys

• Chatroom

• Word of mouth

• Emails

Which of the following is raw data not information?

• Postcode

• DD/MM/YYYY

• Home address

• County

What are the advantages of the use of sensors to collect information?

• Once set up do not need human intervention.

• Need for external power.

• Information can be sent electronically.

• Processing information can be quick.

Which of the following are ways to visually collect data?

• HR Codes.

• QR Codes.

• Bar Codes.

• User Codes.