Something strange or important about smart phones that many may not know.

Assalamu Alaikum, I hope everyone is good, and I will not talk to Dyer
Smartphone is a portable phone or personal computer that comes with mobile operating system such as iOS, Android etc. Smartphones are generally pocket size so that it is easily portable.

There is a bigger device than the smartphone, which is known as the tablet. From the 70% to the 76% part of the smartphone, color display is enriched so that the touch screen interface is used so that all kinds of operation screens can be touched by touch, such as writing through the virtual keyboard and app icon touching the program and so on.

History:

The concept of phone and computing system together was first invented by Nokia Tesla in 1909 and 1971 in Theodore Paraskevakos. It was then patented in 1974 and marketed in 1993. In 1999, Japanese company NTT Docomo first released their smartphone, which had a data transmission speed of 9.6 kilograms and was a small screen rich.

Operating System:

The most popular among the operating systems was Symbian. In 2006 Nokia brought Symbian device to the market, as well as Windows and BlackBerry devices and markets. As of 2007, APPLE brought its first big screen smartphone to the market, which was interesting and rich in the first multitouch interface. In the first Android phone market in 2008, HTC Dream launched an open source platform. This Android OS is created by Andy Rubin which comes after Google's Avatar which is now popular. Currently Android, IOS, Windows 10, etc., as a smartphone operating system. On the other hand, the operating system of Blackberry OS, Windows, Firefox, Bada, Web OS, Palm, Ubuntu touch etc. has been discontinued.

This smartphone has become an integral part of people nowadays. Because of this, the smartphone currently has all the features and apps that are useful to us constantly. We are conversations, video chats, photos, social networks, internet, mails, GPS tracking, compass etc. through this smartphone, through various sensor-driven tools, etc. It is useful to us as necessary. Nowadays, some expensive phones have the pressure of the pressure and heart rate measurements and security sensors.

Our human society is increasing day by day, such as Facebook, Twitter, steemit, social network like this is spent almost all day, most people It is also used by many people to give people the necessity of day to day.