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Transcript of technology
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technologyThe practical use of human
knowledge to extend human abilities and to satisfy human
needs and wants
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technologically literate
Term used to describe someone who is informed about technology and feels comfortable with it
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innovation
The process of modifying an existing product or system to improve it
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science
Knowledge covering general truths or laws that explain how something
happens
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engineering
Designing products or structures so that they are sound and deciding how they
should be made and what materials should be used
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Information Age
Period beginning around 1900 in which human activities focused on the
creation, processing, and distribution of information
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nanotechnology
The science of working with the atoms or molecules of materials to
develop very small machines
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resource
Something that supplies help or aid to a system; can be a source of information,
capital, supply, or support
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skill
The combination of knowledge and practice that enables a person to do
something well
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machine
A tool with a power system that takes advantage of certain scientific
laws that enable the tool to work better
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capital
Accumulated wealth, which may be money, credit, or property
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subsystem
A system that is part of another, larger system
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system
A group of parts that work together in an organized way to complete a
task
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input
Whatever resources that are put into a system
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open-loop system
A system with no way of controlling or measuring its product
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closed-loop system
A system that has a way of controlling or measuring its product
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output
What a system produces
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process
The conversion of a systems input into a useful product, or output
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feedback
The part of a closed-loop system that provides control or measurement of
the product
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constraint
A restriction on a product
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criteria
Standards that a product must meet in order to be accepted
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optimization
In manufacturing, creating the most effective and functional product,
system, or process
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trade-off
A compromise in which one thing is given up in order to gain something
else
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human factors engineering
The design of equipment and environments to promote human
safety, health, and well-being; also called ergonomics
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invention
Turning ideas and imagination into new products and systems
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problem statement
A statement that clearly defines a problem to be solved
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brainstorming
A group problem-solving technique in which members call out possible
solutions
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technical drawing
To accurately represent the size, shape, and structure of objects; also
called mechanical drawing
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drafting
The techniques used to make drawings that describe the size, shape, and structure of objects
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Multi-view drawing
A technical drawing that shows an object from several different views
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scale drawing
Drawing of an object that is not true size but that is in the correct
proportions
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dimension
A size or location of object parts indicated on a technical drawing
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isometric drawing
A pictorial drawing that shows three sides of an object that has been rotated thirty degrees and tilted forward thirty
degrees
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pictorial drawing
A drawing that shows a three-dimensional object realistically
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perspective drawing
A realistic pictorial drawing in which receding parallel lines come together
at a vanishing point
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section drawing
A drawing that shows the interior of an object
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CAD
Computer-aided drafting or computer-aided design; the use of a computer system in
place of mechanical drawing tools to create technical drawings and/or design an object
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assembly drawing
A drawing that shows how to put parts together to make an item
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working drawing
One of a set of technical drawings needed to make a product or
structure
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schematic diagram
Drawing that shows the circuits and components of electrical and
electronic systems
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model
Replica of a proposed product that looks real but does not work
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prototype
In manufacturing, a working model of a proposed product
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rapid prototyping
Using CAD and a special machine to make a three-dimensional model of
an object
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visualization software
CAD software used to create virtual models
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hypothesis
An explanation for something that is used as the basis for further
investigation
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scientific law
A theory that has been proven true so often that it is accepted as fact
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scientific theory
Scientific conclusion carefully developed through experimentation
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humanities
School subjects having to do with cultural knowledge, such as language
and history
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shadowing program
School program in which students spend time in a work environment