touch screen technology by jazz

A SEMINAR ON

Touch Screen Technology

INTRODUCTION

A touchscreen is an electronic visual display that the user can control by touching it.

The touchscreen enables the user to interact directly with what is displayed, rather than using a mouse touchpad or any other intermediate device 

INTRODUCTION DEFINITION TYPES OF TOUCH SCREEN HOW DOES IT WORK? WHAT ARE TOUCH SCREEN USED FOR? ADVANTAGES OF TOUCH SCREEN DISADVANTAGES OF TOUCH SCREEN CONCLUSION

CONTENTS

DEFINITION

A touch screen is a computer display screen that is also an input device.

A user interacts with the computer by touching pictures or words on the screen.

TYPES OF TOUCH SCREEN

Resistive

Capacitive

Surface Wave

Resistive touchscreens are pressure sensitive, so they can be operated with any input device, including a gloved hand or stylus.

easily damaged by sharp objects.

they offer only 75% clarity.

RESISTIVE

RESISTIVE TOUCH SCREEN

CAPACITIVE

Capacitive screens are resistant to outside elements, making them very durable.

capacitive panels must be touched with a finger.

maintains high clarity.

CAPACITIVE TOUCH SCREEN

SURFACE ACOUSTIC WAVE

Surface wave touch screen are more advanced technology that provides high durability and can be operated by either human touch or stylus.

offers highest clarity.

considerably more expensive.

SURFACE WAVE TOUCH SCREEN

USES OF TOUCH SCREEN

Public Information Displays

Customer Self-Services

Computer Based Training

Assistive Technology

PUBLIC INFORMATION DISPLAYS

TOUCH SCREEN MOBILE

ASSISTIVE TECHNOLOGY

ADVANTAGES

Ideal for web browsing, picture and movies.

Simple user interfaces, which are more easy to use. (iPhone once again is a good example).

Touchscreen devices have fewer buttons .

No extra peripherals are needed.

Time saving.

DISADVANTAGES

Big screen leads to low battery life.

Screens get very dirty.

These devices require massive computing power which leads to slow devices and low battery life.

More expensive than alternative devices.

Though the touch screen technology contains some limitations but it’s very user friendly, fast, accurate, easy for the novices & fun to operate.

CONCLUSION

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