07-10-2016, 04:09 PM
1458267746-HANDHELDCOMPUTER.ppt.pptx (Size: 1.47 MB / Downloads: 5)
Handheld computer are generally small enough to fit into the palm of hand.
PDA
Another name for some handhelds is the Personal Data Assistant.
Personal information can be entered on this device for easy search and retrival.
PDA’s are pen or stylus based using displays .
PORTABILITY
Size decrease to the down as portability increases
Desktop computer are stationary devices.
PDA must be easily used while in one hands.
DESKTOP VS HANDHELD
Desktop
Cables
Boot time
Stationary device
Handheld
Less cables
Instant On
Portable device
WIRED VS WIRELESS
Most desktop computers are wired.
Handheld computers is wireless
VARIOUS DEVICES OF HANDHELD
XEROX NOTETAKER
Xerox notetaker was an early portable computer.
It was developed at Xerox Parc in Poloalto, CALIFORNIA in 1978.
FEATURE
NOTEBOOK PC
Weight less than pounds.
Small keyboard and touchpad.
A notebook PC combines the component and input,include display,speaker,
keyboard
Camera
5 to 6 hours of battery life.
Flat panel technologies.
MOBILE TELEPHONE
The first mobile telephone call was made on April 3, 1973 by Martin Cooper a former Motorola inventor.
Who is known as “the father of the Cellphone
SMART PHONE
All mobile phones are allow phones of different type and in different countries to communicate with each other.
CORDLESS PHONE
In 1994 digital cordless phones are introduced.
Cordless phone are
for local use.
Cordless phone cannot travel long distances.
CLAMSHELL
HANDHELD GAME CONSOLE
Released in japan on 21,April 1989.
Lightweight
Portable video game
Smaller than home video game
Play game at any time or place.
E-BOOK READER
An e-book reader a handheld device specialized for reading electronic books
Starting in late 1990’s
You can store lots of books
Battery life: weeks
ADVANTAGES OF HANDHELD COMPUTER
Less expensive
Wireless technology
Portable
Small size
Long battery life
Touch sensitive screen
DISADVANTAGES OF HANDHELD COMPUTER
Driving and handheld device
Family time
Vacations
Screens visibility
Conclusion
As years passes,the computer size is becoming smaller.
Handheld computer devices and smartphones are the future of healthcare.
Best way to communicate.
It is used for authentication.