Final answer:
The correct answer is False. A serial column is not limited to 20 vehicles or less as it typically refers to a database table column.
Step-by-step explanation:
The correct answer is b) False.
A serial column is not limited to 20 vehicles or less. In fact, a serial column can have any number of vehicles. The term 'serial column' typically refers to a database table column that is used to automatically generate a unique identifier for each row of data.
So, in the context of your question, the statement 'A serial column is limited to 20 vehicles or less' is false.