Example Explanation Text:
How Cell Phone Work
A cell phone is a great gadget in this modern world. What is a cell phone? A cell phone is actually a radio in certain way. Like a radio, by a cell phone we can communicate to other people in real time. Million people use cell phone for their communication. Even nowadays, people use cell phones to communicate in voice, written and data. Alexander Graham Bell is the person who make great change in the way people communicate to each other. He invented a telephone in 1876. While wireless radio
was formally known in 18994 presented by Guglielmo Marconi. By these
two technologies, then a cell phone was born. However do you know how
actually cell phones work?
This short explanation
on how a cell phone work is really wonderful. A cell phone or in long
term "cellular telephone' works by transmitting signals of radio to
towers of cellular. The towers are networked to a central switching
station. The connection usually uses wire, fiber optic-cables, or microwave.
Then
the central switching station which handles calls in certain given area
is directed connected to the wire-based telephone system. Cellulars are
pick up by the towers and relayed to another cellular telephone user or
the user of wire-based telephone network. The towers vary in the
capacity and capability to receive signals. Some can receive the signal
from short distance and the others can receive more distance. However,
there are usually more than one tower in certain given area so that the
system can handle the increasing telephone traffic.
