Question

An object is considered an external entity in object-oriented modelling select one:

a. its attributes are invariant during operation of the system

b. it has numerous attributes

c. it has no attributes relevant to the system

d. its attributes change during operation of the system

Answer 1

Answer: a. its attributes are invariant during operation of the system

Explanation:

Answer 2

An object is considered an external entity in object-oriented modeling is

its attributes are invariant during the operation of the system.

Object-Oriented:

• Unlike record-oriented models, object-oriented values are only objects.
• The object-oriented modeling brings application and database development together and converts them into a single data model and language environment
• Object-oriented modeling supports abstraction, inheritance, and encapsulation while allowing for object identification and communication.