The Add-on vs. the Built-in Touch Screen Monitor Systems
LCD touch screen monitors are anywhere. If you go to a department store and shop for some clothes or a few houseware items, you can see them in counters. If you are using your credit card to buy furniture at a local furniture shop and observe their computer units beside their cash register, you can see them as well. It can be seen on almost all point of sale system in all commercial places including restaurants, bars, hotels, casinos, and more. There are more sophisticated versions of touchscreen monitors that can be found in photo center that allow customers to select and print their own pictures. The LCD touch screen computer monitor is beginning to proliferate into other areas as well.
Among the most popular brands when it comes to touch screen monitors that most consumers recognize is Apple. There are plenty of familiar gadgets such as the Apple iPod Touches, iPhones, and iPads, among others that use the touch screen technology to allow the user freedom of navigation without the need for trackballs and buttons. And the LCD touch screen's use is not limited to this. The home computer market is also looking at the LCD touch screen functionality that looks promising if they are to be integrated into their system. There are also proposals being made to make LCD TVs touch screen capable so that if a home TV network channel is selling their products, all you have to do is to touch the screen to make a purchase.
You might be wondering how an LCD touch screen work. In essence, it has no difference than using a mouse or a touchpad on your laptop. The only thing is, the dragging action on the mouse is lessened with the use of touchscreens. Touch screen monitors look like standard LCD monitors. They are equipped with additional features. A touch screen is another piece of hardware that is placed on top of the LCD screen. It is a thin layer of film that is clear which placed on top of the LCD that has touch sensitivity that reads signals when the computer monitor is touched. This has wires that are connected to the computer that sends signals based on the part of the LCD that you pressed. It then sends an electrical signal to the CPU to process your input.
The two main types of touch screen monitors that exist on the market today are the add-on systems and the built-in systems. The built-in systems are ready to use out of the box. All you need to do is to plug them in and you can use them instantly. But some units require you to install the driver first before doing other things because you existing system might not be designed for touch screen purposes, you must first do driver installations and additional software to make it work. Add on systems, on the other hand, are installed by the consumer over their existing computer monitor and then they are plugged into an accessory outlet, usually the USB outlets, to be used with computers. Device drivers will still be installed to teach the computer how to interpret and perform the instructions.
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