A touch screen is a computer display screen that is also an input
device. The screens are sensitive to pressure; a user interacts with the
computer by touching pictures or words on the screen.
There are three types of touch screen technology:
- Resistive
- Surface wave
- Capacitive
Let we look at the pros and cons of touch screens on a computer so
you can expect when debating if you should add a touchscreen to your
laptop or desktop, and give you all the data you’ll need to make an
informed decision about whether or not the technology is right for you.
Pros:
- Touch Screens Are a Quicker, More Intuitive Way to Interact with Your Computer
Using a touch screen to interact with your PC is faster, easier, and
maybe even more fun than using a mouse or trackpad. And while we love
using keyboard shortcuts to work faster on our computers, you have to
learn and remember them.
Tapping and swiping on a touch screen, on the other hand, is more
intuitive, since you're interacting directly and immediately with the
elements on the screen. If you use trackpad multi-touch gestures or have
used a tablet or smartphone, working with a PC touch screen feels just
as natural and fluid.
If you have a touch screen PC with pen (stylus) input, you get even
finer precision and can write or draw naturally on the screen.
One of the earliest criticisms about touch screen PCs is that
programs and desktop windows are hard to use with touch. The close
button, scrollbars, and other navigational elements are small and hard
to accurately hit.
Cons:
- Possibly shorter battery life:
Touch screens require more power. Laptop Magazine compared a couple
of touch screen laptops with their non-touch counterparts and found that
the non-touch laptops lasted over an hour longer. This is definitely
something to keep in mind if you need as much battery life as possible
for your next laptop.
- The so-called Gorilla arm:
Gorilla arm is a term describing the tired arms users get after
reaching out and touching a screen for a long time. It's been cited by
many as a reason why touch screens will not take over.
Touch screen panels are usually thicker than non-touch
ones-especially if the touch panel has an active digitizer for pen
support. CNN argues that the hybrid laptop/tablet will never work
because of the size issue: The Surface Pro is more than half an inch
thick and weighs two pounds.
Finally, the biggest disadvantage of touch screen PCs is the added
cost. Touch screen PCs cost more than their non-touch counterparts. The
difference can be between $100 to $200, with pen-enabled touch screens
costing the most.
Keep in mind that the touch screen is really just another way to
interact with your PC. You still have your keyboard and your mouse when
you want them and can use the touch screen as little or as much as you
want.
If the added cost of the touch screen and the possible battery life hit don't matter much to you
, you don't have anything to lose-and you might very well enjoy that touch screen as much as you do the one on your tablet.
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