Information, Signal, and Message
In the phonograph, we can also identify the quantities:
Signals: the original sound waves, the mechanical vibration of the recording stylus, the pattern on the
wax cylinder, the mechanical vibration of the playback stylus,
What Makes Engineers Different from Scientists?
Primary purpose of science and math is to help humans understand and describe our world How do
cells divide? What makes objects fall to the ground? What are the basic building blocks of life?
What is the di
Information, Signal and Message
Information is defined as knowledge communicated or received concerning a particular fact .
A signal is the actual entity (electrical, optical, mechanical, etc.) that is transmitted from sender to
receiver. Example: When yo