Mouse vs. Touch Screen.

Nowadays most of people can`t imagine they life without modern technologies, for example TV, DVD, vacuum cleaners and etc. More often we use computers; they allow us to do our life more easy. The computer technology is always developed. Now we can use touch screen technologies, especially they developed in architectural industry. In homes most of people use mouse. Mouse is a pointing device that helps a user navigate through a graphical computer interface. The example of touch screen technology is light pen. It is an electronic pointer that allows users to modify designs on screen.