android
A personal computer
Handheld operating systems are small devices that perform basic tasks such as email, web browsing and scheduling. Since the unit is much smaller than a traditional computer, it has a smaller memory, a slower processing system and a smaller display.
ROM
handheld devices: Virtual memory, you may use batch programming here also. real time systems: time sharing
yes
pda
types of devices in operating system
black berry,windows,simbian,android
virtual devices in os
Operating system
An example of Single task, single user Operating system is Palm OS for palm handheld computers.
The device drivers allow the operating system to communicate with peripheral devices.