A Widely Used Method of Storing and Locating Records in a Direct-Access

Multiple Choice

A widely used method of storing and locating records in a direct-access file is

A) when a record's key field corresponds directly to the coding scheme used by the computer itself.
B) to store physical device addresses as a field within a file's records.
C) to convert a key to a storage location address using an index.
D) to convert a key to a storage location address using a randomizing transformation.