Management Information Systems _5_

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Management Information Systems _5_ Powered By Docstoc
Information Systems
     Input Devices

         Adnan Khalid
Input and Output Devices

   The Devices used to enter
    data into a computer are
    called Input Devices, while
    those used to retrieve data
    from the computer are called
    Output Devices.
Input Devices

   Keyboard
   Mouse
   Joystick
   Scanner
   Digital Camera
   Microphone
   Touch Screen
   Bar Code Reader

   The keyboard is a way to input
    letters or numbers into different
    applications or programs. A
    keyboard also has special keys that
    help operate the computer.

   The mouse is used to open and
    close files, navigate web sites, and
    click on a lot of commands (to tell
    the computer what to do) when
    using different applications.

   A joystick is used to move the cursor
    from place to place, and to click on
    various items in programs. A
    joystick is used mostly for computer

   A scanner is used to copy pictures or
    other things and save them as files
    on the computer.
Digital Camera
   A digital camera can be used to take
    pictures. It can be hooked up to a
    computer to transfer the pictures from the
    camera to the computer. Some digital
    cameras hold a floppy disk, and the
    floppy disk can be taken out of the
    camera and put directly into the

   A microphone is used to record
    sound. The sound is then saved as
    a sound file on the computer.
Touch Screen

   A touch screen is a computer screen or
    other screen that you can touch with your
    finger to enter information. Examples of
    touch screens include a smart board, a
    microwave, a dishwasher, or an ATM at a
Barcode Reader

   A bar code scanner scans a little
    label that has a bar code on it. The
    information is then saved on the
    computer. Bar code scanners are
    used in libraries a lot.