| A | B |
|---|
| Black Box Model | A graphic system’s illustration referred to as a Black Box because the internal components or process is deemed unknown, or mysterious. |
| Compound Machine | A mechanism that consists of two or more simple machines. |
| Function | The kind of action or activity proper to a person, thing, or institution; the purpose for which something is designed or exists; role. |
| Hypothesis | 1. An assumption made on the basis of limited evidence as a starting point for further investigation. 2. A proposed explanation for an observation. Hypothesis is an educated guess which forms a basis for a test. |
| Input | Something put into a system, such as resources, in order to achieve a result. |
| Mechanism | An assembly of moving parts completing a complete functional motion. |
| Observation | The act or instance of noticing or perceiving. |
| Output | The results of the operation of any system. |
| Process | 1. Human activities used to create, invent, design, transform, produce, control, maintain, and use products or systems; 2. A systematic sequence of actions that combines resources to produce an output. |
| Reverse Engineering | The process of taking something apart and analyzing its workings in detail, usually with the intention to understand function, prepare documentation, electronic data, or construct a new or improved device or program, without actually copying from the original. |
| System | A group of interacting, interrelated, or interdependent elements or parts that function together as a whole to accomplish a goal. |
