J836 IT R050 TA3

What is the definition of data according to the document?

• Raw facts and figures before they have been processed

• Processed information with context

• Structured and meaningful information

• A combination of letters, symbols, spaces, or numbers

What is the relationship between data and information?

• Data is structured information

• Information is in context, while data has no context

• Data is always more accurate than information

• Information is raw facts and figures

(a)   is an example of a Boolean data type.

• 1 or 0
• True or False
• Yes or No
• On or Off

What does a data type check ensure?

• The data entered is one of the required types

• The data is in a specific format

• The data is entered twice

• The data is within a specific range

What is the purpose of an input mask format check?

• To ensure data is in a specific format

• To check data is entered twice

• To verify data against the source

• To set a length for data entry

Which of the following is a characteristic of verification?

• Checks if data is identical to the source

• Ensures data is in a specific format

• Sets the length of data entry

• Provides a limited choice for data entry

Match the following examples with their data types.

• Alphanumeric

• £1.09

• Binary

• 1 or 0

• Date

• 01/01/2023

• Currency

• Ab1£

What does a length check do?

• Sets the length of the data entry

• Ensures data is in a specific format

• Checks data is entered twice

• Verifies data against the source

What is the purpose of a presence check?

• To ensure data has been entered into a specific field

• To verify data against the source

• To set a length for data entry

• To provide a limited choice for data entry

What does a range check do?

• Sets an upper and lower boundary for data entry

• Ensures data is in a specific format

• Checks data is entered twice

• Verifies data against the source