touch screen technology by jazz
DESCRIPTION
PPT presentation of Touch screen Technology....TRANSCRIPT
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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