IMS DB Question:

Answer #1
A Database is a collection of related data items organized in a way that can be processed by application programs.

Answer #2
IMS stands for Intergrated Management Sytem, It is a hierarchical database where we define them with a Parent - Child relatioship. It represents an inverted TREE structure. Starting from Root (Parent) followed by children.

Answer #3
A Database is a collection of related data item organized in away that can be processed by application programs.