Answer / priti khemlani

Mobile phone is an electronic device,which was mainly made for communicate any where.we can say it is a wireless communication media.but now a days use of mobile is enhanced, people not only use it for a conversation,but also they use it as an multimedia device,with it a person can click many kind of pics,can b connect to internet,also he can use 3g Technics. A Sim card helped to communicate,and a memory card is used to save the multimedia data on the mobile.
basically there are two Technics used in mobile.CDMA and GSM.
And the featured like BLUETOOTH/INFRARED ,3G ETC are not available in each and every mobile.
for conversation a people should have a good mobile handset,and a valid and activate Sim card in it.with minimum balance,also the benefit for youngsters..is they can communicate by there friends by using the message(SMS /LMS) SERVICE,WHICH IS AVAILABLE IN EVERY MOBILE.

Answer / chanikya

Mobile phone is an electronic device.Generally, it is used for conversation purpose.Over from past five years,it is not only used as a talking purpose but also a entertainment use.Addition to this we can also access internet. Through the internet we can save lot of time and money.However, mobile phones have some disadvantages, that are , the mobile phones receiving very high level of signals.Eventually it causes to health hazards.Even though it has some disadvantages ,the advantages out weigh the disadvantages.

Answer / sejin saji

The use of Mobile Phones has several advantage . Namely it has given people communication, freedom and independence. It has become a good source of entertainment. also this this technology provides important safety benefits and emergency services in addition to facilitating communications across geographic borders

Answer / ramya

Mobile phone is an electronic device.which we can carry any place and feel free to handle.
we can have so many advantages using mobiles.we can install the mobile apps in mobile phones for our use.Mobile apps are run on Android operating system.
we can complete the some works like(recharge using paytm,we can book the cars using ola cabs app) using mobile apps.If mobile is connect to the internet
we can see the world in front of the mobile.we can communicate with friends,relations through whatsapp,facebook apps.
Through the internet we can solve lots of time and money

Answer / sm

A mobile phone (also known as a wireless phone, cell phone, or cellular telephone) is a small portable radio telephone.

The mobile phone can be used to communicate over long distances without wires. It works by communicating with a nearby base station (also called a "cell site") which connects it to the main phone network. When moving, if the mobile phone gets too far away from the cell it is connected to, that cell sends a message to another cell to tell the new cell to take over the call. This is called a "hand off," and the call continues with the new cell the phone is connected to. The hand-off is done so well and carefully that the user will usually never even know that the call was transferred to another cell.

As mobile phones became more popular, they began to cost less money, and more people could afford them. Monthly plans became available for rates as low as US$30 or US$40 a month. Cell phones have become so cheap to own that they have mostly replaced pay phones and phone booths except for urban areas with many people.

The modern form of mobile phone is called "Smart Phone". It has become very popular. The majority of mobile phones made after 2010 are "smartphones". They can be used as computers as well as making voice calls.

Mobile phones in the 1950s through 1970s were large and heavy, and most were built into cars. In the late 20th century technology improved so people could carry their phones easily.

Although Dr. Martin Cooper from Motorola made the first call using a mobile phone in 1973, it did not use the type of cellular mobile phone network that we use today.

The first mobile phone networks were created in the late 1970s in Japan. Now almost all urban areas, and many country areas, are covered by mobile phone networks.

A cell phone combines technologies, mainly telephone, radio, and computer.

Cell phones work as two-way radios. They send electromagnetic microwaves from base station to base station. The waves are sent through antennas. This is called wireless communication.

Early cell telephones used analog networks. They became rare late in the 20th century. Modern phones use digital networks.

The first digital networks are also known as second generation, or 2G, technologies. The most used digital network is GSM (Global System for Mobile communication). It is used mainly in Europe and Asia, while CDMA (Code-Division Multiple Access) networks are mainly used in North America. The difference is in communication protocol. Other countries like Japan have different 2G protocols. Some 2G networks are still used. 3G are more common, and some places have 4G.

The radio waves that the mobile phone networks use are split into different frequencies. The frequency is measured in Hz. Low frequencies can send the signal farther. Higher frequencies provide better connections and the voice communications are generally clearer. Four main frequencies are used around the world: 850, 900, 1800 and 1900 MHz. Europe uses 900 and 1800 MHz and North America uses 850 and 1900 MHz.

Today there are mobile phones that work on two, three or four frequencies. The most advanced phones work on all frequencies. They are called 'world' phones and can be used everywhere.

There are different kinds of phones. A flip phone flips open, and is best for calling. A bar phone is shaped like a candy bar, and the keys and screen are on one face. A slate phone is a phone that has almost no buttons, and uses a touchscreen. Most smartphones are slates. A slider phone slides on rails. It can slide out number keys or a mini keyboard, but some do both. A swivel spins on an axle.

When a mobile phone is switched on, it finds and connects to a nearby mobile phone base station. Computers in the base station check if the phone is allowed to use the network. The base station covers what is called a cell and a phone can move between different cells, but will only ever communicate with one cell at a time. This is why mobile communications are sometimes called cellular communications.

Once connected to a cell, the mobile phone can make calls. Because the network knows that the phone is connected to that particular cell, it can also route calls to the mobile phone. Sometimes the radio connection to the cell is lost, for example when you go underground. This means the phone cannot make or receive calls until the connection is made again.

The network is the company that provides the phone service. In most areas there will be more than one mobile network. Customers choose networks based on how well the different networks work in their area, or by price.

There are two main ways to pay for mobile phone calls:

Contract
If you pay by contract you will pay the network money every month so that you can make calls. Usually you can talk for a lot of time for the monthly fee, but if you do not use the phone a lot you still pay the same money.
Pay as you use
If you pay as you use, you will pay for a fixed amount of call time credit which you then use up when phoning people. Once the credit is used up you must buy some more to use the phone. This can be cheaper if you do not use the phone a lot.
Mobile phones use different technical standards. GSM phones need a separate microchip, called a Subscriber Identity Module or SIM card, to work. The SIM has information like the phone number and payment account and this is needed to make or receive calls. The SIM may be supplied by the same company as the phone, or a different one. Sometimes you can change the network by using a SIM from another network, but some companies do not want this to happen and they lock the phone so that you have to use their SIM.

The others have a special radio inside them that only makes phone calls when the phone is activated. When someone buys a contract, the network gives them a code, that if they enter it into the phone, the phone will then make calls. It is usually impossible to switch to a different network's code on this type of phone. The majority of these CDMA phones are used in the United States and nearby countries.

A majority of new mobile phones from the 21st century are smartphones. These phones can be used for email, browsing the internet, playing music and games,and many other functions that computers can perform. This is because mobile phones basically are small computers. Older phones also used computer technology, but lacked many of the parts of a computer that were too big to fit into a phone. Modern phone makers have been able to use smaller parts. Most smartphones are also GPS receivers and digital cameras. Examples of smartphones include Apple's iPhone and Samsung's Galaxy series.
I have just given an essay. If you cut off 2-3 parts, you will have a 2 minutes speech.

Answer / satya

Mobile Phone is an electronics device which used a sim to
transfar our voice and sms,mmsfrom one place to another
place without wire .
or

It's a phone to which we can keep in our pocket,and move
from one place to another place and transfar 2 site data
at a time wiyh out any trafic

Answer / shalini

mobile phone is an electronic device.which is helpful for
the many people.It is used to transfer the information by
calling or sms or mms from one place to other place.and also
we can carry tihe mobile to any place,we can access the
internet from our mobile

Answer / hamed khan

Mobile Phone is an Electronic Device, which was mainly made
for communicate any where. we can say it is a wireless
communication media. but now a days use of mobile is
enhanced, people not only use it for a conversation, but
also they use it as an multimedia device. It is used to
transfer the information by calling or SMS,MMS from one
place to other place and also we can carry the mobile to any
place, we can access the internet from our mobile.

Answer / bhaskar charla

You can create an effective three-minute speech with proper
preparation. There are several topics that you can discuss.
For example, your speech might highlight the advantages and
disadvantages of a product, service or business decision.
Inform and persuade your audience with a speech that
compares an existing thing and a new invention.

Read more: How to Write a 3 Minute Informative Speech |
eHow.com
http://www.ehow.com/how_5796990_write-minute-informative-speech.html#ixzz1heflNOZJ

Answer / navi

Mobile phone is an electronic device. Which is used to transfer the information one place to another place . It is wireless network. Past five year only we can use conversation but now a days enhance feature and connecting the internet.its portable device. It is very use ful to each other

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