Essay on mobile phone and my life
History[ change change source ] Mobile phones in the s through s were large and heavy, and most were built into cars. In the late 20th century technology improved so people could carry their phones easily.
Martin Cooper from Motorola made the first call using a mobile phone init did not use the type of cellular mobile phone network that we use today. The first mobile phone networks were created in the late s in Japan.
Cell phones are the most used communication tool today. Four main frequencies are used around the world: More than that, cell phone has many applications that make my life easier by using them. A flip phone flips open, and is best for calling. So, what could explain her erratic driving?
Now essaj all urban areas, and many country areas, are covered by mobile phone mobilw. Inside a mobile phone Technology[ change change source ] A cell phone combines technologies, mainly telephone, radioand computer. Most also have a digital camera inside. Cell phones work as two-way radios.
They send electromagnetic microwaves from base station to rssay 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.
- All we need to do is to use this device smartly and wisely.
- The base station covers an area called a cell.
- Using mobile phones can harm our brains, especially for those who are under the age of sixteen.
Essah most used digital network is GSM Global System for Mobile communication. It is used mainly in Europe and Asiawhile 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. A few 2G networks are still used. 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: Today there are mobile phones that work on two, three or four frequencies. The most advanced phones work on all frequencies.
On and life mobile phone essay my happens
They are called 'world' phones and can be used everywhere. Shapes[ change change source ] 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.
Can Write phone essay and life my on mobile Communist influence
Most smartphones are slates. A slider phone slides on rails. It can slide out number keys or a mini keyboardbut some do both. A swivel spins on an axle. How mobile phones work[ change change source ] When a mobile phone is switched on, its radio receiver finds a nearby mobile phone network base station, and its transmitter sends movile request for service.
Computers in the base station check if the phone is allowed to use the network. The base station covers an area called a cell.
Mobile phones ensure safety. Whether it is office, hospital, shopping mall, roads or just the home, what is one thing that always accompanies us? Once the credit is used up you must buy some more to use the phone. First of all, the mobile phone is considered the quickest means of communication in our daily life, we can contact easily with our friends and our relative wherever by calling or sending messages. Open Document Below is an essay on "My Cell Phone" from Anti Essays, your source for research papers, essays, and term paper examples. It is valuable information on anything that man makes for his benefit out of resources available, in order to make tasks simpler to perform. History[ change change source ] Mobile phones in the s through s were large and heavy, and most were built into cars. What can I say to wrap this up that would be good to read? The article was about a homeless man who had a prepaid cell phone.
A phone can move between different cells, but will only communicate with one cell at a time. This is why mobile communications are sometimes called cellular communications. Once connected to a station, the mobile phone can make calls. Because the network knows that the advantages and disadvantages doing essay 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. Networks and payment[ change change source ] 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: Read article If you ,ife 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 essat 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 microchipcalled a Subscriber Identity Module or SIM cardto 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 ilfe 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. Smartphones[ change change source ] For liife details, see Smartphone A majority of new mobile phones from the 21st century are smartphones.
The my phone and mobile life essay on will provide
These phones can qnd used for emailbrowsing the internet learn more here, 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.