3- Hardware Peripherals

3- Hardware Peripherals - Slide 1 CHAPTER 3 HARDWARE...

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CHAPTER 3 HARDWARE BASICS: PERIPHERALS Slide 1
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Slide 2 The most familiar input device Used to enter letters, numbers and special characters Standard Wireless Folding Membrane Smart Phone Keyboard Keyboards
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Slide 3 Mouse Touchpad Pointing stick Trackball Joystick Graphics tablet Touch screen Stylus Pointing Devices
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Optical-mark readers Magnetic-ink character readers Bar-code readers Pen scanners Slide 4 Read marks representing codes specifically designed for computer input Reading Tools
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Read marks representing codes specifically designed for computer input Tablet PCs Radio Frequency Identification Readers (RFID) Biometric Readers Slide 5 Reading Tools (cont)
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Iris Technology Based on visible features H i.e. rings, furrows, freckles and the corona The iris is essentially formed by 8 months of age and remains stable through life Each iris has 266 unique spots vs. 13-60 for other biometrics Advantages No contact required Protected internal organ; less prone to injury Source: Department of Defense (http://www.biometrics.dod.mil)
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Voice Recognition Voice recognition is not the same as speech recognition Considered physiological and behavioral Advantages H Public acceptance H No contact required H Commonly available sensors (telephones, microphones) Popular and low-cost, but less accurate and sometimes lengthy enrollment Source: Department of Defense (http://www.biometrics.dod.mil)
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Developed by Fujitsu H Detects the structure of the pattern of veins on the palm of the hand. H The pattern does not change over a person’s lifetime. H
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This note was uploaded on 04/09/2011 for the course CNIT 136 taught by Professor Chad during the Spring '11 term at Purdue.

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3- Hardware Peripherals - Slide 1 CHAPTER 3 HARDWARE...

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