Mobile phones, maybe it's hard to find people who haven't heard this name. Because in this age of technology, of course, not everyone has a mobile phone. Even the importance of mobile phone is immense. However, in today's article we will discuss mobile phone in detail. Where and how was the mobile phone invented? When the mobile phone came into the world!
Some important activities of mobile phone?
Mobile Phones: Everyone knows how much mobile phones can do. Although a few years ago, there was no modern mobile like the present time. Even the youngest child understands almost everything on the mobile. It is also seen that younger children understand or know more about mobile than adults.
Now there are mobile phones that can be connected to the Internet. But 10 to 15 years ago, there were very few mobile phones that could only have an internet connection. Moreover, subject matter like taking pictures, movie videos etc. can be seen on mobile phones. Moreover, it is very easy to send money through mobile phone. Suppose you live in Jessore district of Bangladesh, but you can easily send money to any person in Dhaka through mobile phone if you want. Besides, we can read books, listen to music, bath, etc. on mobile, send SMS etc. to different people. Besides, nowadays you can take a picture on your mobile at home and send it to any part of the world. You can understand how useful mobile device is. Now the question is how the mobile phone was invented?
The famous American scientist Alexander Graham Bell invented the telephone. He made his first successful, successful telephone call on March 10, 18, to his assistant, Thomas Augustus Watson. In the first stage, it is seen that limited use of mobile phones is started. In 1946 in St. Louis. It improves step by step. Then in 1974 only mobile phones were in the car. And his weight was about 1 kg. That means the weight of the mobile phone was one kg. And only this mobile phone car driver could use. Then, in 1981, mobile phones began to be used by all people in Finland. Then, in 1982, Martin Cooper, a researcher, made a small set.
Some more unknown information about mobile phone?
Mobile phone: From calling next door to any part of the world is now being communicated by phone. But how does it happen? Although how do we know about this? However, if you can analyze, maybe I will eat a little Himshim! So the matter is not so strong, I hope you will know if you understand with a little mind, Strong wireless towers are installed in each part. Betar usually means mast here. These towers are an invisible network of communication with each other. Nets are generally referred to as networks, and create, that is, towers form an invisible network of communication with each other. The mobile set has an antenna. Although mobile phones don't have antenna anymore.