Chapter 2 Concepts of Technology Introduction to Technology

Chapter 2 Concepts of Technology Introduction to Technology by Pierce and Karwatka For placement only-Chapter Opener Photo

What resources do you need to create technology? People Information Tools and Machines Capital Time Materials Energy REVIEW Introduction to Technology Chapter 2 Concepts of Technology Copyright © The Mc. Graw-Hill Companies, Inc.

Section 2 B Technology Systems What are systems and subsystems? A system is made of parts that work together to complete a task. A subsystem is a smaller system that exists within the larger system. EXIT MENU Introduction to Technology REVIEW Chapter 2 Concepts of Technology Copyright © The Mc. Graw-Hill Companies, Inc.

Section 2 B Technology Systems What is an open-loop system? It has no way of measuring or controlling its product. EXIT MENU Introduction to Technology REVIEW Chapter 2 Concepts of Technology Copyright © The Mc. Graw-Hill Companies, Inc.

Section 2 B Technology Systems What is a closed-loop system? Feedback measures and controls the output (end product) of the system. EXIT MENU Introduction to Technology REVIEW Chapter 2 Concepts of Technology Copyright © The Mc. Graw-Hill Companies, Inc.

Section 2 C Developing a System or Product When you purchase a product, what are your primary concerns? Is it safe? Attractive? Useful? Reliable? Reasonably priced? EXIT MENU Introduction to Technology REVIEW Chapter 2 Concepts of Technology Copyright © The Mc. Graw-Hill Companies, Inc.

Criteria and Constraints Criteria: – Requirements or specifications Constraints: – Certain limits on any product Introduction to Technology Chapter 2 Concepts of Technology Copyright © The Mc. Graw-Hill Companies, Inc.

Section 2 C Developing a System or Product Why should price be only one of the many considerations when designing a product? Your goal as a designer is to create the best system, product, or process. This is optimization. Trade-offs are necessary to build the best product. EXIT MENU Introduction to Technology REVIEW Chapter 2 Concepts of Technology Copyright © The Mc. Graw-Hill Companies, Inc.

Section 2 C Developing a System or Product How do modern control systems help you maintain performance? Systems require maintenance to keep them working. EXIT MENU Introduction to Technology REVIEW Chapter 2 Concepts of Technology Copyright © The Mc. Graw-Hill Companies, Inc.

Section 2 C Developing a System or Product Should we develop a new technology if it could possibly have negative effects? Unexpected effects can be positive or negative. To become technologically literate, you must learn how to weigh one against the other. EXIT MENU Introduction to Technology REVIEW Chapter 2 Concepts of Technology Copyright © The Mc. Graw-Hill Companies, Inc.