A mobile phone is a portable communication device designed primarily for voice communication. Cell phones for sale in Harare Zimbabwe Currently, cellular communication is the most widespread of all types of mobile radio communications, therefore, the most common name for a mobile phone is a cell phone. At the same time, along with cellular telephones, satellite telephones and radiotelephones of trunk communication are also mobile. In 1946, leading experts from AT&T Bell Labs decided to create the world's first portable telephone. Through short scientific research, it was decided to combine an ordinary telephone with a radio transmitter, and use an ordinary radio station to transmit the signal.
At that time, such a telephone hybrid, which later received the name of a radiotelephone, was widely used in cars. The radio station itself was located in the trunk of the car, the tube was carried out into the salon, and the antenna was on the roof. Of course, it was impossible to call the ideal connection quality, constant noises and interference were present on the air. Nevertheless, thanks to their mobility, radiotelephones have gained sufficient popularity. In Russia, the Delta Telecom Company appeared in St. Petersburg on September 9, 1991. The first symbolic call on a cell phone connected to the network was made on September 9, 1991 by the then mayor of St. Petersburg, Anatoly Sobchak. Huawei phones prices in Zimbabwe The handset he called was called Mobira MD59-NB2; it was released by the Finnish company Nokia and weighed about 3 kg.
Mobile phone appearance:
1. Graphics
manipulator button
2. Call
receive button
3. Phone book
4. Keyboard
5. Antenna
6. Sound
speaker
7. LCD display
8. On-off key
and call rejection
9. Cancel key
10. Microphone
(located at the bottom)
The
benefits of a mobile phone in human life:
Today, the role of a mobile phone
in a person's life can hardly be overestimated. With this compact device, we
can quickly contact our relatives and friends, work colleagues at any time to
find out the information we are interested in. At the same time, there is no
need to strain your memory and remember the phone of an old acquaintance who
has not been dialed for a long time, the notebook of a mobile phone is always
at hand. In addition to contacts, many people store a lot of other information
on the phone - they write down their ideas and thoughts, credit card numbers,
memorable dates, various files, etc. That is, the phone immediately replaces
our address book and flash drive. And all kinds of useful programs, functions,
options with which modern cell phones are equipped make this small-sized device
so multifunctional that you sometimes wonder.
A positive influence is all the functions of a cellular device
that make a person's life easier:
· Cellular
communication allows people to
communicate from virtually anywhere in the world. You can always contact
the outside world, call your parents, friends.
· One of the biggest
reasons parents usually buy cell phones for their kids is safety. Nowadays
and at this age, children very often like to visit friends after school, to
play on the street, without thinking that worried parents are waiting for them at
home.
We can also use additional
functions of the phone:
· calculator: calculate the solution of examples in
mathematics;
· Internet: in your free
time you can go to your favorite sites, check your mail, watch the latest news;
· music: enjoy your favorite songs;
· organizer: you can work in a convector, which also
helps with calculations in mathematics, physics, transferring one unit of
measurement to another, you can also organize your work;
· alarm
clock: never oversleep
by starting it; Huawei phones
prices in Harare
· Bluetooth: having such a function on your phone,
you can transfer files, letters from a distance, while absolutely free;
· calendar: notifying in advance who has a birthday
in the coming days, which is very convenient.
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