it is very useful

2.  It is a computer which is in the shape of
pens.
 There are different pens used for computing
and each has its own functionality.
 It provides a virtual keyboard ,where we can
project anywhere as we need and it has
QWERTY arrangement of keys.

3.  Here in this technology keyboard is replaced
by “Stylus” or the “Tablets”.
 It is mainly used in touch screen and it acts
as a best replacement for keyboard and
mouse.
 It reduces the use of input devices in this
technology.

4.  The main functionality of the cpu is done one
of the pen, also known as “computing
engine”.
 Dual core processor is used.
 It works with the windows operating system.

5.  It consists of simple microprocessors used.
 The IC’s which are all used in this cpu will be
very small but it has more power than
normal IC.
 The cpu has 4 main features namely: fetch,
decode , execute and write back.

6.  The recognition can also be done with the
real time images with this technology.
 For eg if we have to erase something we can
erase it by scratching that image or a real
thing.
 It is similar to the os founded by apple which
was named as Newton os.

7.  The role of monitor is to project the thing
from the projector.
 The size of projector is of A4 size.

10.  Portable
 Feasible
 Wi-fi technology
 Based on electronic perception technology

11.  The communication devices are now
becoming smaller and smarter.
 We can even expect more such devices in the
future.
 Hence it is similar to the ordinary pen in
appearance and it has many features which
a pc also can have.
 Hence it is compact and it is very portable.