$16.$ In a sequence diagram, we usually represent:

The sending of Attributes

The sending of Messages

The sending of Objects

The sending of Classes

$17$ pattern makes new instances of the objects.

Instantiation

Creator

Mutator

Accessor

$18.$ List any TWO $(2)$ issues in low cohesion.

$1-$ Decreased Maintainability

$2-$ Reduced Reusability

$19.$ Name the most suitable GRASP patterns suits to the description below.

Problem: What is the basic principle by which to assign responsibilities to objects?

Solution: Assign a responsibility to the class that has the information needed to fulfill it

Nar Information Expert

$20.$ What are the main objects that can be derived from the event above?

$1-$ Customer

$2-$ ATM Machine $($or ATM$)$

there are a few fundamental operation and object behavior, based on the diagram below name $2$ operations that was adapted.