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� Phones

� How the mobile phone is used

� How the mobile phone works

� A device designed for calls and texting.

� This device has sweeped the nation and has

everyone addicted to texting.

� Now kids want the newest phone and wont settle

for any old phone.for any old phone.

� The telephone first appeared in the late 19th

century as a largely mechanical device and

continued to develop throughout the 20th century

based primarily on analog electronics.

Increasingly in the 21st century, however,

telephone systems rely on digital technology.

� The telephone is a electronic device which

receives and sents voice and text messages

� The cell phone is the most wanted and used

way of doing business and keeping in touch.

Alexander Graham Bell invented the � Alexander Graham Bell invented the

telephone.

� He invented it in 1874.

� Cell phones are telephones without wires.

They work by sending and receiving radio

signals. Areas that use cellular telephones are

divided up into sections called cells. Each cell

has radio equipment that receives messages has radio equipment that receives messages

in the form of signals from nearby cellular

phones. The equipment sends the message to

a phone company. The same equipment sends

messages to a cellular phones in the cell

area. Cellular phones are powered by

batteries. The first cellular telephones were

used in the United States in 1983

� If your lost u can use it for directions

� You can check your emails

� You can chat with friends

� If you are in a accident you can use it to call � If you are in a accident you can use it to call

the police.

�Mobile phones are expensive

� They can damage you ear

� You wont have signal in all areas

� People use phones while driving and they can � People use phones while driving and they can

cause accidents.

� You can listen to music, and play games

� Phones have a calculator for your homework

� You can also use it for the internet

� They have a camera to take pictures� They have a camera to take pictures

� Can ruin the connection to the computer

� They can get you in trouble in school

� Can be hard to find the right package

� They can limit your face to face time with � They can limit your face to face time with

friends and family

� Can keep in touch with family

� Can be use for worldwide

� The more you talk, the more you know how to

pronounce you words better.

� Parents can be a little less worried about

their kids.

� Can be hard for older people to use.

� Some people get so much addicted to cell phones for

talking.

� Some kids can cheat during exams and other kinds

of tests.of tests.

� They don't work properly when they are dropped

down the toilet.

� For experienced cell phone users, it is nice to

be able to contact anyone at any time of the

day or night.

� You can carry it anywhere you go.

It has a lot of useful things like a calendar, � It has a lot of useful things like a calendar,

making notes, alarm clock, and calculator.

�We can watch movies if we download.