With ____, the computer uses each record’s primary key field and a mathematical formula called a hashing algorithm to determine a unique address that identifies where the record is physically stored in the database file.
Based on the description that is provided within the question it can be said that the term being described is called a direct organization. Like mentioned in the question this term refers to data that is stored in direct-access devices and can be easily and quickly retrieved if you know the address identifying where the record is physically stored in the database file.
