Mobile phones: Mobile phones or cell phones were originally created for people and it is a wireless handheld device that allows users to make calls and send text messages.
The first mobile phones were created in 1983. It was priced at around $4000.That was the first time in history people can contact each other without any kind of wire. At that time there were different types of mobiles like……
RADIO BASED CELL PHONES
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What are the types of mobile operating systems?

Like the Windows operating system, it controls software platforms on top of which other programs can run. The operating system is responsible for determining the types and features available in the device
Types of the mobile operating system: There are 9 types of mobile operating systems and they are popular among users.
Android OS (Google Inc.)
Bada (Samsung Electronics)
BlackBerry OS (Research In Motion)
iPhone OS / iOS (Apple)
MeeGo OS (Nokia and Intel)
Palm OS (Garnet OS)
Symbian OS (Nokia)
webOS (Palm)
Windows Mobile
In case it’s not clear, mobile operating systems vary from device to device. iPhone has its own system that they call iOS. Samsung phones, for example, use the Android operating system, and even Windows gets into the action with their own phones and Windows OS. You can find a mobile OS on any of your handheld devices like smartphones and tablets.
What are the types of mobile apps?
There are three types of apps
Native app: This app is developed for a single mobile operating system exclusively. The main advantage of a native app is a high performance and ensuring a good user experience as a developer.
Hybrid apps: Hybrid apps are a mixture of native and web-based applications. They look and act exactly like native apps but are developed using multi-platform web technologies.
Web apps: These software applications similar to native applications. Web apps that use a browser are usually written in HTML5, JavaScript, or CSS.
What is the typical battery life of a smartphone?
There is no definitive answer to this. Different phones and brands degrade battery at different rates Smartphones batteries can be charged 1000 times. Battery life depends on the way or duration of using phones.
What is a feature phone?
A feature phone may be a sort of phone that gives more features than a typical phone but is additionally not considered to be a smartphone. For people who don’t want a smartphone a feature phone is a lower-priced option.
Why maybe a telephone called a cell phone?
Cell phone or mobile phone both are synonyms .technology there is no difference. A cell phone is named after the cellular network. The cellular network is so named it is a network that is arranged into cells that operates into different frequencies.
Who is the inventor of the mobile phone?
Martin cooper who was born on (December 26, 1928) is an American engineer. is a pioneer in the wireless communication industry. he has considered the father of handheld cell phones. Through his invention, we are creating new smartphones that contain numerous features like the best phones in 2020.

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