Technology Interactions © 2007

Chapter 2: Computer-Aided Design

Self-Check Quiz

1.
Which item is not a computer output device?
A)mouse
B)plotter
C)monitor
D)printer
2.
Which phrase best describes the Cartesian coordinate system?
A)generates geometric shapes in 3D
B)outputs physical prototypes
C)plots precise points on a grid
D)outputs schematic diagrams of electronic circuits
3.
Which phrase best describes a CAD system?
A)CAD software program with an add-on calculating program
B)prototyping software with vinyl cutter or other output device
C)computers, CAD software, and various input and output devices
D)libraries of 2D and 3D objects
4.
Which word best defines drafting?
A)modeling
B)rendering
C)drawing
D)prototyping
5.
Which phrase describes a wireframe model?
A)3D view that best reproduces realism
B)2D view with rendering
C)2D view consisting of thin lines
D)3D view that looks like stick figures
6.
To create a schematic diagram of an electronic circuit, an engineer usually uses
A)a 3D CAD program.
B)a wireframe model.
C)a surface model.
D)a 2D CAD program.
7.
Which phrase best describes a solid model?
A)2D view with rendering
B)3D view that realistically shows volume and depth
C)2D view that suggests volume and depth
D)3D view that emphasizes surface topography
8.
What does the rendering function in a CAD program do?
A)adds color, texture, and shading to objects
B)recalculates dimensions in response to new inputs
C)shows how parts work within assemblies
D)outputs data to a vinyl cutter
9.
In rapid prototyping, an engineer uses a 3D CAD program to create a
A)bill of material.
B)physical model.
C)manufactured product.
D)surface model.
10.
Which sentence best describes CAD/CAM?
A)There are no workers on the factory floor.
B)A 3D CAD program outputs a physical model.
C)A CAD program shows how parts work within assemblies.
D)CAD output controls machines that make the actual product.
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