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Old phones To new phones

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

THE EVOLUTION

OF SMART PHONES
Photo by djwudi
2.

MY BIG QUESTIONS

  • Are there different types of touchscreen?
  • How have smart phones changed?
Photo by Leo Reynolds
3.

DIFFERENT TYPES OF TOUCH SCREENS

  • Resistive
  • Infrared
  • Acoustic
  • Optical imaging
  • Capacitive
Photo by hazler_06
4.

BUT THE MOST COMMON ONES ARE

  • Resistive
  • Capacitive
5.

THIS IS THE FIRST SMART PHONE IN HISTORY!!

IT IS CALLED THE IBM SIMON
Photo by JeepersMedia
6.

THE IBM SIMON HAS A

RESISTIVE TOUCH SCREEN
Photo by gelato_alla_prugna
7.

NOWADAYS ALL SMART PHONES

HAVE A CAPACITIVE TOUCH SCREEN
Photo by Robert S. Donovan
8.

THE IPHONE HAS A

CAPACITIVE TOUCH SCREEN
Photo by Robert S. Donovan

Donald Sitthi