computers
history of computers
touch screen
touch screen is on apple android and window these are some of the main mobile phone in the world to day normally layered on the top of an
electronic visual display
of aninformation processing system
. A user can give input or control theinformation processing system
through simple ormulti-touch gestures
by touching the screen with a specialstylus
and/or one or more fingersiphone
a great phone
windows
not the best
samsung
a great phone