Cell Phones. Marcella Maruca. What is It?. a short-range, portable electronic device used for mobile voice or data communication over a network of specialized base stations known as cell sites. Accessories. SMS (Short Message Service) is used for text messaging Email - PowerPoint PPT Presentation
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Cell PhonesMarcella Maruca
What is It?a short-range, portable electronic device used for
mobile voice or data communication over a network of specialized
base stations known as cell sites
AccessoriesSMS (Short Message Service) is used for text
messagingEmailPacket Switching is used for access to the
internetCamera and Video RecorderMMS (Multimedia Messaging Service)
for sending and receiving pictures
Inside the Cell PhonesThe circuit board The microprocessorAn
antenna A liquid crystal display (LCD) A keyboard A microphoneA
speakerA battery
The front of the circuit boardThe back of the circuit boardThe
microprocessorThe display and keypad contentsThe cell-phone
speaker, microphone and battery backup
DisadvantagesNon-repairable internal corrosion of parts results
if you get the phone wet or use wet hands to push the
buttons.Extreme heat in a car can damage the battery or the
cell-phone electronics.Extreme cold may cause a momentary loss of
the screen display.
AdvantagesCommunicate with others wherever we areHelp us with
organize our daily plansEntertainment with phone games, WAP and SMS
gamesShare photos with friendsCheck emails and use it as a business
tool
How Far Weve ComeCell phone technology has come a long a way and
is still growing. Compared to the first cell phone, modern cell
phones are smaller, more advanced and more reliable. Cell phones
used to be the size of a normal house telephone but now they can
fit in the palm of our hands. The only people that had cell phones
when they first came out were business men but now almost every
person in the United States h-as one.
Before and After(left)THENMotorolasfirst cellphone
