§This
is where products and services are developed and used. These processes
allow us to develop, produce, use, and assess technology. It also
involves knowing how to use devices safely and correctly.
Communication Technology
§Communication
technology extends the capabilities of our human senses.
§The
two categories of communication technology are graphic and electronic
communication. Graphic communication involves transmitting information
with visual symbols. Electronic communication involves sending messages
over a distance by telephone, radio, etc.
Graphic Communication
§Photography
uses reflected lights to produce a picture.
§Printed
graphics involve mass production of graphic images.
The Communication System
§The
entire purpose of communication is to transfer information, but today,
it has become more complicated. Since new technologies are using old
technologies, it has become more complex.
