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DIGITAL CAMERAS

• -take pictures and store the images dgitally.

VOICE INPUT

• -voice recognition
• -computers capability of distinguishing spoken words

AUDIO INPUT

• -process of entering sound into computer

VIDEO INPUT

• process of capturing full motion images and storing them on computer storage medium
  • web cam
    • a type of digital video camera that enables a home or small bussiness user to capture video and still images
  • video conferencing
    • meeting between two or more geographically seperated people who use a network or the internet to transmit audio and video data

SCANNERS AND READING DEVICES

• definition-capturing data directly from a source document
• optical scanners
  • light sensing input devices that reads printed text and graphics and then translates the result into a form the computer can process
• barcode readers
  • use laser beams to read barcodes
• magnetic stripe card readers
  • reads the magnetic stripe on the back of the credit cards
• RFID readers
  • uses radio signals
• MCIR reader
  • read text printed with magnetized ink
• optical readers
  • optical mark recognition (OMR)
    • read and drawn marks
  • OPTICAL CHARACTER RECOGNITION (OCR)
    • read type-written, computer printed, or hand-printed character

KEYBOARD

• contain keys for users to press to enter data

POINTING DEVICES

• track ball
  • move by rotating the static ball with thumb
• touch pad
  • sensitive to press and motion
• pointing stick
  • move by pushing the stick with a finger
• light pen
  • detect the presence of light
• touch screen
  • touch sensitive display device
• mouse
  • optical
    • emit and sense light to detect the mouse movement
  • air mouse
    • motion sensing mouse