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. 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.
In the 21st century , a new type of mobile phone, called smartphones , have become popular. Now, more people are using smartphones than the old kind of mobile phone, which are called feature phones. 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 in , 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 s 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. Most also have a digital camera inside. 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 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.
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.
The things which we never thought would be present in a mobile phone are now possible. Smartphones have come into existence which not only help you in making calls but also help you to stay entertained by allowing you to play games, listen to music and do lots of other stuff.
Mobile phone even come with special apps for kids to increase their brainstorming which is pretty good. If you are using a smartphone, you can take advantage of it in your studies or your business. The smartphones which come with Android, Apple iOS and Windows Phone operating system come with educational apps which can be used while you are in college. If you are into business you can install applications like Skype which will help you in communicating with your clients on the go.
It is true that mobile phones can help students in studies but only if they use them wisely. Most of the students become additive to mobile phones and are found playing games, chatting with their friends and watching movies and other stuff. Mobile phones lead to a lot of accidents. A lot of people do their daily work, drive while taking on mobile phones. There is high risk of accident if you are talking on the mobile phone and driving as you are giving your half attention to the mobile call and are having half attention on the road.
Research studies have also claimed that mobile phones have a negative impact on health of an individual. If you are using mobile phone for long hours daily it might lead to serious health issues. These were the advantages and disadvantages of mobile phones. In the end, it all depends on our usage. Cell phones are the most personal device to us and we should make an optimal use of them.
What are your views regarding the same? Share it with us using the comments section below. Mobile phone has only played positive role in my life. I still remember how I collected notes from my friends just a day before my exams using mobile phone Apart from studies, it helps in communicating with your friends and family. The best thing I love about cell phones is that its quickly becoming all in one solution to our most needs. The future is going to be more amazing with lot of advancements in cell phone market.
In my perspective every thing has two side advantage and disadvantage same mobile phone but it has more advantage than disadvantage. Because it has more positive implications on our daily routine.
So we can say mobile phone has playing crucial rule in our daily routine and without using it we would get back from our works. Yes it is obvious that mobile phones are more personal and more useful for us as people but for a good results on it will depend on usage of it each one.
So i advise all users of the mobile phones that may use it seriously and wisely because otherwise we wiil get on serious troubles. In my opinion, Mobile phones have thier PROS and CONS towards students as well as the youth but i think Mobile Phones have made our daily lives become more easy as there are a lot additional featured on them.
In fact, it has assisted me to gain more knowledge and information about daily issues and finding a good essays for my ENGLISH assignment and its totally worth it to have a kind of sophisticated mobile phones. In deed, the benefits and drawbacks of all technologically advanced devices depend on their users.
I just want to Say that things either use or misuse is totally depending on you. If u r interested to improve both os us E by conversation below is my Skype ID. As for me, I will like to state categorically that cell phones pros and cons depends on individuals involved. One either uses it to benefit him or to his detriment. But I believe the advantages out ways the disadvantages.
Well, I hear a kid in china sold his kidney to buy an iphone. There are a number of positives and negatives with mobile phone use. As people have mentioned a number of positives, I will list 10 negatives. I was walking north on a sidewalk, preparing to cross the road on a green light.
A car traveling south decided to make a left hand turn into my direction. The driver did not see me until her car was right in front of me and I was able to look at her through the front passenger side window. She freaked out when she saw me as she knew what she had done. Now that people know that I have one, people expect me to always be available. After using that home phone for 9 years, I ported my number to a mobile phone. Now I feel compelled to upgrade my phone every couple years to keep up with the technology…and good mobile phones are NOT cheap!
After graduating from university, I went back years later to take some night courses. My university had problems with cheating. We used to be able to use any calculator we wanted for the accounting classes, but now, there was 1 particular calculator that could be used which was only available at the university bookstore. I went into a Home Depot the other day and there were no flyers. Where the flyers should have been was a sign that encouraged people to jump online to view the flyer.
In other words, I now have to use my data in order to see what the store is selling? What should they do? Also, there have been times where I am riding the subway system and a train delay occurs. With so few payphones, this is when the lineups become ridiculously long. Without a cell phone can we see this??
Importance of mobile phones and smartphones in our daily lives. Essay on cell phones' importance for communications and business.
Mobile phone become an important thing on our daily life. Mobile phones play an important role in our daily life. Almost everyone own a mobile phone nowadays they think mobile phones .
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. The mobile phone first appeared in India sometime in the nineties. It was a bulky box quite similar to the landlines we still use today. It had an equally big antenna and was heavy and cumbersome to carry. That was just the beginning. Very soon they were all over the place. With the alarming speed [ ].
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