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Introduction to Engineering and Technology Concepts

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Introduction to Engineering and Technology Concepts Unit Four Chapter Three Communication Technologies – PowerPoint PPT presentation

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Title: Introduction to Engineering and Technology Concepts


1
Introduction to Engineering and Technology
Concepts
  • Unit Four
  • Chapter Three Communication Technologies

2
Instructions for Success
  • Each chapter of every unit will begin with a
    Mindjog. This is a warm up question that you
    should answer in your workbook in the proper
    chapter.
  • Please take notes as you move through the
    presentations in the notebook that has been
    provided.
  • Sections will come up in each presentation with
    an assignment notice. Turn to the section
    detailed on the slide in your workbook and
    complete the assignment before proceeding.
  • Good luck!

3
Objective
  • Students will define components of communication
    technologies, including what communication is
    trying to convey.

4
Mindjog!
  • On your worksheet, please respond to the
    following question 
  • Before telephones and other instant
    communication technologies, how did humans get
    information back and forth to one another?

5
Communication Technology
  • Communication technology is a system that uses
    technical means to transmit information or data
    from one place to another or from one person to
    another (Wright, 2004).
  • Before this technology, people used to send
    information by giving it to mail carriers on
    horseback.

6
Consider
  • The very first type of communication technology
    was cave paintings where artists used sticks,
    grass, or fingers to apply paint to cave walls.
  • Communication is used for a number of purposes,
    however. It is used to transfer ideas, exchange
    information, and express emotions.
  • An idea is a mental image of what a person thinks
    something should be. Communication media can be
    used to share these ideas (Wright, 2004).

7
Consider
  • Information is vital to taking an active part in
    society.
  • It provides a concrete foundation for decision
    making and action. This information can be as
    simple as the serving time for lunch.
  • Emotions can also be communicated (Wright, 2004).

8
Goals of Communication
  • Every communication message is designed to
    deliver a certain impact.
  • Communication can meet one or more of the three
    basic goals
  • Inform
  • Persuade
  • Entertain (Wright, 2004).

9
Inform
  • Communication informs when providing information
    about people, events, or relationships.
  • We read books, magazines, and newspapers to
    obtain information.
  • Radio news programs, television news programs,
    and documentaries are designed to provide
    information (Wright, 2004).

10
Persuade
  • Persuading is when communication attempts to get
    people to act in a certain way.
  • Examples can include campaigns such as political
    advertisements, trying to get you to vote for one
    candidate or another (Wright, 2004).

11
Entertainment
  • People are entertained when they participate or
    observe events and performances.
  • This includes mediums such as television
    programs, movies, and novels (Wright, 2004).

12
Communications Model
  • Communication is a process that starts with the
    action of encoding. Encoding means that the
    message is changed into a form that can be
    transmitted.
  • The message is then transmitted to the receiver.
    Transmission involves a communication channel or
    carrier.
  • The receiver gathers and decodes the message
    (Wright, 2004).

13
Communications Model
  • Think of what happens when you make a phone call
  • The message is encoded on the callers end
    through the telephone, transmitted through a
    wire, and then is received and decoded by the
    persons phone on the other end (Wright, 2004).

14
Types of Communication
  • One way to look at communication is in the terms
    of sender and receiver.
  • The most familiar type of communication is people
    communicating with people. It is referred to as
    human to human.
  • There is also machine to human. It is used to
    display machine operating conditions. Think
    about when computer displays errors.
  • If youve ever sent anything through a computer
    or set a thermostat, youve used, human to
    machine.
  • There is also machine to machine. Humans
    create programs and put them into computers, and
    the computer directs and controls an apparatus
    (Wright, 2004).

15
Communication Systems
  • The communication technology used to deliver
    information can be divided into these five types
  • Printed Graphic Communication
  • Photographic Communication
  • Telecommunication
  • Technical Graphic Communication
  • Computer and Internet Communication (Wright,
    2004).

16
Printed Graphic Communication
  • The earliest form of communication technology was
    written in some form or another.
  • Today, the need for mass communication is
    developing advancements in our means of
    transmitting information.
  • The first mass communication system was printed
    graphic communication, also known as printing.
  • Originally, printing meant putting an image on
    paper with inked typinghowever we can now print
    on products that are made of metal, plastic,
    cloth, or wood (Wright, 2004).

17
Photographic Communication
  • This type of communication technology uses light
    to convey messages.
  • The most common is photography.
  • Photography captures light as an image on a
    recording medium called film. When it is
    developed, the image becomes permanent.
  • Photographic communication uses photographs to
    communicate a message.
  • Think about how boring a vacation guide would be
    without pictures to convey areas of interest
    (Wright, 2004)!

18
Telecommunication
  • Telecommunication is communication at a distance.
  • It includes a number of specific types including
    the radio, television, and the telephone (Wright,
    2004).

19
Technical Graphic Communication
  • This is a way that information about a product or
    parts can be conveyed.
  • It explains the size and shape of a part.
  • It might suggest how the parts are assembled to
    make a product or structure. Think back to the
    engineer drawings we did!
  • The method of preparing and reproducing this
    media are called technical graphic communication
    systems (Wright, 2004).

20
Computer and Internet Communication
  • This is based on the key invention of the
    personal computer.
  • It uses a network of computers linked together to
    share information.
  • This network is called the internet and it allows
    people to gather information using the World Wide
    Web and exchange messages using electronic mail
    (and other applications) (Wright, 2004).

21
Assignment 1
  • Please turn to the section in your workbook
    entitled, Unit Four, Chapter Three
    Communication Technologies.
  • Complete the extension questions under the
    Assignment 1 header before moving onto the
    next section of slides.

22
BEFORE MOVING ON
  • Did you complete the Assignment 1 Section
    under the Unit Four, Chapter Three
    Communication Technologies section of your
    workbook?
  • If you have, please proceed to the next slide.

23
Chapter Three Completed!
  • Please close this presentation and launch the
    file entitled, Chapter 4 Telecommunication.

24
References
  • Wright, R. (2004) Technology The
    Goodheart-Willcox Company, Inc.
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