Data Types and Validation Checks Quiz

What is the definition of data according to the document?

• Raw facts and figures before they have been processed

• Information that has been coded/structured

• Data that has been processed into information

• A number format that includes decimal places

What is an example of a currency data type?

• 2023

• £1.09

• 1.1

• 19%, 20.23%

What is the purpose of a presence check?

• Checks that the data has been entered into a specific field

• Sets an upper and lower boundary for data entry

• Checks that the data is in a specific format

• Provides users with a limited choice to select for data entry

What is an example of a percentage data type?

• 2023

• £1.09

• 1.1

• 19%, 20.23%

What does a limited choice validation tool do?

• Provides users with a limited choice to select for data entry

• Checks that the data is in a specific format

• Sets the length of the data entry

• Looks up acceptable values in a list

What is a disadvantage of using a network drive for data storage?

• Can be discoverable by other devices

• Disks can be damaged if suddenly moved

• They can fail, meaning data can be lost if not backed up

• More vulnerable to power loss

What is a disadvantage of using a portable wireless drive?

• Has its own battery/power source

• Can be discoverable by other devices if security protection methods not used

• Requires some network knowledge to install

• Can be biased to the viewpoint of the author(s)

What is a disadvantage of using a primary hard drive for data storage?

• Disks can be damaged if suddenly moved

• Requires network knowledge to install

• Can be discoverable by other devices

• Can be diverted into spam folders

What is an advantage of using cloud storage?

• Can be accessed through a web browser or app

• Disks can be damaged if suddenly moved

• Requires network knowledge to install

• Can be discoverable by other devices

Which of the following is an example of valid data?

• A password with 7 characters

• A postcode set in the format LLNN NLL

• A test data value of 120W E34

• A passenger can take between 0-3 suitcases