communication technology

four systems

input

process

output

feedback

sender

launch

message

pictures,sounds,written words

channel

receiver

desinging

enconding

storing

retrieving

transmitting

receiving

decoding

all of these are concepts of communication

communicating over distance

examples

a honey bee dances its message to other bees

signals tapped out on drums and the smoke signals of native america

semaphore uses two flags held in different positions to represent letters in the alphabet.

association for computing machinery

ACM 1515 broadway new york NY 10036 www.acm.org

were technology is made

institute of electrical and electronics engineering computers society headquarters office

headquarters office 1730 massachusetts ave NW washington DC 20036-1992 http:// www.computers.org

national workforce center for emerging technologies

3000 landerholm circle SE bellevue WA 98007 http://nwcet.org is a main center were technology is work and analyze for you to get easier results.

association of computer support specialists

333 mamaroneck ave 129 white plans NY 10605 online http://www.acss.org where computer support you to understand how technology really work.

association of support professionals

122 barnard ave watertown MA 02472

were professionals support your needs.

encoding received by an antenna

and then relayed to your television set

by transmitting and storing the message to the channel

and receives the decoding to your television monitor