They offer a lot of
connectivity
options: USB (Universal Serial Bus) portsfor
connecting
peripherals
, slots for
memory cards
, etc. They come with
battery packs
,
which let you use the computer when there are no
electrical
outlets
available.
A
tablet PC
looks like a book, with an LCD screen on which you
can write using a special
digital
pen. You can fold and
rotate
the
screen 180 degrees. Your
handwriting
can be recognized
and converted into
editable
text.
You can also type at the
detached
keyboard or
use
voice recognition
. It's mobile and
versatile
.
A personal digital assistant or PDA is a tiny computer
which can be held in one hand. The term PDA refers to a
wide variety of hand-held devices, palmptops and pocket
PCs.
For input, you type at a small keyboard
or use a stylus - a
special pen used with a touch screen to select items, draw pictures, etc. Some
models incorporate handwriting recognition, which enable a PDA to recognize
characters written by hand. Some PDAs recognize spoken words by using voice
recognition software. They can be used as mobile phones or as personal organizers
for storing notes, reminders and addresses. They also let you access the Internet via
wireless technology, without
cables
A
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