Data Models
1. In a Hierarchical model records are organized as
A.  Graph B.  List C.  Links D.  Tree
2. Conceptual design
A.  is a documentation technique. B.  needs data volume and processing frequencies to determine the size of the database. C.  involves modelling independent of the DBMS. D.  is designing the relational model.
3. SET concept is used in :
A.  Network Model B.  Hierarchical Model C.  Relational Model D.  None of these
4. The conceptual model is
A.  dependent on hardware. B.  dependent on software. C.  dependent on both hardware and software . D.  independent of both hardware and software.
5. Which of the following is record based logical model?
A.  Network Model B.  Object oriented model C.  E-R Model D.  None of these
6. Hierarchical model is also called
A.  Tree structure B.  Plex Structure C.  Normalize Structure D.  Table Structure
7. An ________ is a set of entities of the same type that share the same properties, or attributes.
A.   Entity set B.   Attribute set C.   Relation set D.   Entity model
8. Entity is a _________
A.   Object of relation B.   Present working model C.   Thing in real world D.   Model of relation
9. The descriptive property possessed by each entity set is _________
A.   Entity B.   Attribute C.   Relation D.   Model
10.

The function that an entity plays in a relationship is called that entity's _____________
A.  Participation B.  Position C.  Role D.  Instance