A data model contains___________________?

A. data object
B. attributes
C. relationships
D. all of the mentioned

Explanation: The data model consists of three interrelated pieces of information: the data object,
the attributes that describe the data object, and the relationships that connect data objects to one another.

Related Mcqs:

Which of the following is not the primary objectives in the analysis model ?
A. describing the customer complaints B. establishing a basis for the creation of a software design C. defining a set of requirements that can be validated once the software is built D. none of the mentioned...
Which model describes the static structure of the system using object classes and their relationships ?
A. Sequence model B. Subsystem model C. Dynamic model D. Structural model...
Which model shows the flow of object interactions?
A. Sequence model B. Subsystem model C. Dynamic model D. Both Sequence and Dynamic model View Answer Answer: a Explanation: Sequence model are represented using a UML sequence or a collaboration diagram and are dynamic models....
Which of the following is a structural model that demonstrates the other systems in the environment of the system being developed ?
A. system context model B. interaction model C. environmental model D. both system context and interaction...
Which of the following is a dynamic model that shows how the system interacts with its environment as it is used ?
A. system context model B. interaction model C. environmental model D. both system context and interaction...
What incorporates data, architectural, interface, and procedural representations of the software ?
A. design model B. user’s model C. mental image D. system image...
Which of the following term is best defined by the statement:”The ability to represent local and global data is an essential element of component-level design.” ?
A. Data representation B. Logic verification C. “Code-to” ability D. Automatic processing...
A ______________ is a graphical representation that depicts information flow and the transforms that are applied as data moves from input to output?
A. data flow diagram B. state transition diagram C. control specification D. workflow diagram...
_______________________ defines the properties of a data object and take on one of the three different characteristics ?
A. data object B. attributes C. relationships D. data object and attributes...
What is an abstract class ?
A. A class that has direct instances, but whose descendants may have direct instances B. A class that has direct instances, but whose descendants may not have direct instances C. A class that has no direct instances, but whose descendants may have direct instances D. All of the mentioned...