(5) 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 charactersor bytes that conveys meaning ● Bytes (characters) : 8 bits ● Bit : smallest data item on a computer, can have values 0 or 1