TD12 Chapter 3

Solar-powered homes and vehicles are becoming more visible as the nation pushes to use

• mechanical system for power

• nuclear system for power.

• sustainable system for power

• thermal system for power.

Stephen needs to build a pen to hold his sick bull. Which is most likely his first step?

• To build the pen

• To buy his materials

• To select his location

• To sink the fence posts

Systems thinking requires which three skills?

• Enthusiasm, investigation, and reason

• Logic, creativity, and compromise

• Investment, humor, and design

• Irrationality, understanding, and organization

Which thinking process is important when applying both logic and creativity to complex real-life problems such as building large structures and developing sophisticated information systems?

• Blink

• Unimaginative

• Paradoxical

• Systems

Information about the past or present system outputs that influences present or future system models is known as:

• feedback.

• input.

• process.

• yield.

What is a benefit of having feedback in a system?

• Collects all of the data

• Controls over minor failures

• Stores all of the data

• Produces the product

Feedback loops and multiple layers in one system is an example of a/an:

• complex system.

• electronic system.

• relay system.

• simple system.

What is the section of a control system that allows for self-correction and that adjusts its operation according to difference between the actual output and the desired output?

• Input

• Output

• Feedback

• Process

The part of a system that gives information concerning the operation of the system is known as:

• feedback.

• input.

• process.

• output.

An appropriate input in the making of a chair would be:

• brick tile.

• cement.

• plastic.

• scrap metal.