____ Control Systems Were Used Before Electronics

question 7

Multiple Choice

____ control systems were used before electronics.

• A) Pneumatic
• B) Manual
• C) Digital
• D) Mechanical

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Definitions:

Energy Exchange

A process by which energy is transferred from one system or object to another, often seen in ecosystems as the transfer of energy from producers to consumers through food chains.

Living Systems

Complex networks of interacting organisms and their physical environment, functioning together as a coherent group for energy flow, reproduction, and adaptation.

Permeability

The ability of a material to allow fluids or gases to pass through it, often relevant in discussions of soil health, water filtration, and construction materials.

Porosity

Refers to the measure of void spaces in a material, indicating how porous it is.