Android OS
Feautures
Near Field Communication (NFC)
which allows electronic devices to easily interact across short distances. The main aim here is to create a payment option that is simpler than carrying credit cards or cash.
Alternate keyboards
Android supports multiple keyboards and make them easy to install
Infrared transmission
The android operating system supports a built-in infrared transmitter, allowing you to use your phone or tablet as a remote control.
No touch control
Using android apps such as Wave Control, users can control their phones touch-free, using only gestures.
Architecture
Version history
The version history of the android operating system began with the public release of the Android
beta on November 5, 2007.
Development
Security technology
Google play protect
Emergency contact info
Find my device
Smart lock
Two factor authentication
Lockdown mode
Android 1.5
Cupcake
Android 2.0-2.1
Eclair
Android 2.3-2.3.7
Gingerbread
Android 4.0-4.0.4
Android 2.2-2.2.3
Froyo
Android 1.6
Donut
Android 3.0-3.2.6
Honeycomb
Ice cream sandwich
Android 4.1-4.3.1
Jelly bean
Android 4.4-4.4.4
Kitkat
Android 5.0-5.1.1
Lollipop
Android 6.0-6.0.1
Marshmallow
Android 7.0-7.1.2
Nougat
Android 8.0-8.1
Oreo
Android 9.0
Pie
Developed by Google
Android was developed by Android Inc which was later bought by Google in 2005.
The first android based smartphone was HTC Dream which was launched in 2008.
Android is Open source operating system.
Google has launced different versions of Android till now and the interesting fact to be noticed in these versions is that most of the names are named after desserts and the names are in alphabetical order.
The first two versions were not given any name and just simply reffered as Android 1.0 and Android 1.1 and Android 1.5 specific names were assigned to the OS.