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JRA Tech Chapter 3

Chapter 3 Communication + Mechanical Drawing

QuestionAnswer
The exchange of information or ideas between two or more living beings. Communication
A Latin root that means "to pass along." Communo-
The transmitting and receiving of information using technical means. Communication technology
One of the most common inputs that controls the sending and receiving of information and data. Analog voice signal
The starting point of a message. Source
This changes your message into another form for transmission. Encoder
This sends your encoded message toward its destination. Transmitter
The wired or wireless means used to send the information. Medium
This accepts the encoded information and relays it to the decoder. Receiver
This translates the encoded message into an understandable form. Decoder
Where the message goes after being sent. Destination
A place for messages in which the messages can be retrieved at a later time. Storage
A response to the receiver's question or statement. Feedback
An action in which you take out stored information in your mind and remember it. Retrieval
Six basic reasons for communicating. To inform, persuade, educate, entertain, control, or manage
One thing that informs when communicating. Local news broadcast
Two things that persuade when communicating. Salesperson and TV commercial
Two things that educate when communicating. Teacher and professor
Three things that entertain when communicating. Popular comedian, musician, and movie star
One thing that controls when communicating. Electrical engineer
One thing that manages when communicating. Supervisor
This presents ideas in a form we can see. Visual communication
Messages that can be heard. Audio communication
This communication is both seen and heard. Audiovisual communication
Lines and shapes that represent objects and ideas. Line drawings
Drawings of the ideas to be communicated. Drafting
Drafting has always been known as this. "The Language of Industry"
The simplest type of drawing and one of the quickest ways to share an idea. Sketching
This is a 3-D version of sketching and is less realistic than perspective sketching. Isometric sketching
Paper that has a grid of vertical lines. Isometric paper
This provides the most realistic picture of objects. Perspective sketching
This kind of drawing shows each surface of the object "square on," that is, at right angles to the surface. Orthographic projection
The view that shows the front of an object. Front view
The view that shows the top of an object. Top view
The view that shows the right side of an object. Right-side view
Three tools used to sketch orthographic views easily. Drafting triangles, compass, ruler
A thin, faint line used to start a drawing. Construction line
A dark, thick line used to show the outline of an object. Object (visible) line
A line of short and evenly-spaced dashes used to show hidden features. Hidden line
A line of alternating long and short dashes used to show the centers of holes. Centerline
A thin line used to show the size of an object and its parts. Extension + dimension line
The lines that show the outline of an object. Object lines
A drawing that is larger or smaller than the object by a fixed ratio. Scale drawing
A scale that is larger than the object by a fixed ratio. Enlarged scale
A new form of drawing that stands for Computer-Aided Design. CAD
Three devices or parts a typical CAD system has. Input device, processor, output device
Two common input devices on a CAD system. Keyboard + digitizer
A virtual reality projection screen that is used in the most advanced CAD systems. Power wall
An artificial environment provided by a computer that creates sights, sounds, and, occasionally, feelings through the use of a mask, speakers, and gloves or other sensory-enhancing devices. Virtual reality
Created by: LOSBH47