T.Swetha.ECE.08RG1A0479.

CONTENTS:

•INTRODUCTION•HISTORY•WORKING•TECHNOLOGIES•ADVANTAGES•DISADVANTAGES•APPLICATIONS•CONCLUTION

Introduction A touch screen is a display .

History Touch screens emerged from academic and corporate

research labs.

Components

A basic touch screen has three main components :

Touch sensor Controller Software driver

Touch sensor A touch screen sensor is a

clear glass panel with a touch responsive area.

Controller The controller connects between the touch sensor and

the computer.

Software Driver

The driver allow the touch screen and computer to work together.

Resistive Surface acoustic wave Capacitive Infrared

Technologies

RESISTIVE

SURFACE ACCOUSTIC WAVE..

CAPACITIVE.

INFRARED

Applications

Conclusion

In future there is no usage of mouse and keyboards as they will be replaced by touch screen.