the answer should be the letter a
The appropriate response is Electrical Switches. These are electromechanical gadgets that are utilized as a part of electrical circuits to control, recognize when frameworks are outside their working reaches, flag controllers of the whereabouts of machine individuals and work pieces, give a way to manual control of machine and process capacities, control lighting, et cetera.
Answer:
Proved
Explanation:
Given


Required
Find out why they represent the same
To do this, we simplify either
or 
In this question, I will simplify

Apply de morgan's law

Apply distribution property

To simplify, we apply the following rules:
--- Inverse law
--- Inverse law
So, the expression becomes


Rewrite as:

From the given parameters:

This implies that:
when simplified is X or 
Project managers (PMs) are responsible for planning, organizing, and directing the completion of specific projects for an organization while ensuring these projects are on time, on budget, and within scope.