(4) Data hierarchy refers to the systematic organization of data, often in a hierarchical form. The correct ascending order of data hierarchy is: Bit < Byte (Character) < Field < record < File < Database.● Database: a group of related files ● File: a group of related records ● Record: a group of related fields ● Fields: a group of characters or bytes that conveys meaning ● Bytes (characters): 8 bits ● Bit: smallest data item on a computer, can have values 0 or 1