INPUT DEVICES

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INPUT DEVICES
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TYPES OF INPUT DEVICES

• Keyboard Systems
• Touch Screens
• Scanners
• Mouse
• Pointing
• Camera
• Voice Recognition Systems

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KEYBOARD SYSTEMS

• Used for Most up to date data documents
• Typical applications Airline Reservations
• On-line data entry
• Problem
• Repetitive stress injury

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TOUCH SCREENS

• HEAT SENSITIVE
• PRESSURE SENSITIVE

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TOUCH SCREEN
Radio Station Touch Screen
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TOUCH SCREEN
Main Screen (Scotts System)
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SCANNING DEVICES

• Optical Character Recognition (OCR)
• Image Scanning
• Optical Mark Recognition (OMR)
• Magnetic Ink Character Recognition (MICR)
• Bar Code Readers

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IMAGE SCANNING

• Document Scanning (OCR Searches)
• Image Reporting and Matching
• Automated Fingerprint Matching
• Track Welfare Recipients
• Prevent double dippers who bilk system
• All who apply will be finger print scanned
• Takes picture of fingerprint
• Stores it in AFIRM computer
• Aid to Families with Dependent Children
  Recipients (Future Use)

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DIGITAL IMAGING

• Scan paper documents
• Store on CD-ROM
• Allows Optical Character Recognition Searches
• Case 140,000 pages of legal documents, stored
  initially in 56 cardboard boxes
• Scanned onto six (6) CD-ROM disks
• Each disk is about size of a butter plate

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Welfare Cheats Targeted

• Double Dippers Targeted

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OPTICAL CHARACTER RECOGNITION

• Utility Bills
• Mail Handling
• Speeded up mail handling for U.S. Postal Services
• 800 pieces of mail per hour prior to OCR
• 10,000 pieces of mail per hour with OCR

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OPTICAL MARK RECOGNITION

• Test Scoring
• Meter Reading (originally)
• Market Research
• Scouting (Sports)

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OPTICAL MARK RECOGNITION

• Testing

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OPTICAL MARK RECOGNITION

• Testing

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MAGNETIC INK RECOGNITION

• Used by banks
• Inscribe checks with banking ID numbers
• Use a MICR inscriber
• Processed at speeds up to 1200 documents per
  minute
• Documents are sorted into different routing
  departments

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MICR

• Processing Checks

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BAR CODE READERS/SCANNERS

• Supermarkets
• Universal Product Code (UPC)
• Industry
• Track and control inventory
• Provide production cycle information

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BAR CODES

• UPC

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BAR CODES

• Circuit Boards

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BAR CODES

• Printer Labels

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POINTING DEVICES

• Mouse
• Photo-Electric Pens
• Activated when placed against screen
• Terminal can identify location of pen
• X Y Coordinates
• Used for graphics

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THE MOUSE
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THE MOUSE
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CAMERA

• Digitize pictures
• Store on CD-ROM's (Most Common)
• Store on any secondary device
• Digitized pictures can be
• Reviewed
• Edited
• Deleted
• Saved
• Printed

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VOICE RECOGNITION

• Guess Who !!

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VOICE RECOGNITION

• Input unit that recognizes human voice sounds
• Kempner Telephone Poll
• Recognizes Yes Vs. No
• Recognizes Agree Vs. Disagree
• Recognized Carter Vs. Reagan

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VOICE RECOGNITION

• Must distinguish complex speech patterns
• Must distinguish complex grammatical patterns
• Simple Testing one, two, three
• Complex Write a letter to Mrs. Wright, right
  now.

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VOICE RECOGNITION

• Advantages
• Users hands eyes stay on work
• Baggage routing airports
• Audible counting
• Machinery (Drill presses)