4. Evaluation of mobiles
Candle Stick Phones (1890)
The Rotary Phone (1930)
The First Mobile (1983-1990)
The Feature Phone (1999-2002)
Smartphone (Present Day)
5. Technologies Are Added From Big Machines
Were Added To Phone
Barometer
Information of Ship
Information of Airplane
GPS
10. What is a Operating System ?
An operating system is system software that manages computer hardware, software resources, and provides for computer programs
It is an environment where software can run and perform the task