$2.$ An operation can be described as

Object

Class

Functions

Object $\backslash$& Class

$3.$ Activity diagram have some different purpose as compared to which of the following diagram?

State machine Diagram

Interaction Diagram

Class Diagram

Use Case Diagram

$4.$ Which of the following Combines two concurrent activities and re introduces them to a flow where only one activity can be performed at a time?

Joint symbol

Fork symbol

Decision symbol

Note symbol

$5.$ The statement describes that, the operation "Get company Details O$"$ has been moved to the subelasses. Identify ONE $(1)$ of the key principles applied in the diagram below.

ANSWER$-------$