Chapter 5
Input
By: Matthew D McCoog
What Is Input?
• Any data or instructions entered into the
memory of a computer.
What is an input device?
• Any hardware that allows users to enter data
or information into a computer
Types of Input Devices
• Keyboard
• An input device that has keys which users press
to enter data.
Types of Input Devices
• Pointing devices
• Mouse – pointing device which fits
comfortably under the palm of your hand
• Mouse is the most widespread pointing device
Types of Input Devices
• Other pointing devices
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Trackball
Touchpad
Pointing stick
Joystick
Light pen
Touch screen
Types of Input Devices
• Voice Input
• Entering data by speaking into a microphone
Types of Input Devices
• Audio Input
• Entering sound into the computer
Types of Input Devices
• Input Devices for Mobile Users
• PDA
• Tablet PC
• Smart Phone
Types of Input Devices
• PDA
• Stylus
• Portable keyboard
• On-screen keyboard
Types of Input Devices
• Tablet PC
• Digital pen
• Docking station
• Allows users to view information on their tablet PC
on their PC monitor
Types of Input Devices
• Smart Phone
• Voice
• Text messaging
Types of Input Devices
• Digital Camera
• Users can upload pictures stored digitally on
the camera to their home PC
Types of Input Devices
• Video Input
• Capturing full motion pictures and recording
them to hard drive or DVD
• Achieved by: PC Video Cameras, Web Cams,
etc…
Types of Input Devices
• Scanner
• Transfers pictures and documents into files on
your computer
Types of Input Devices
• Types of Input Devices
• Smart Terminal
• Capable of processing information
• Dumb Terminal
• Incapable of processing information
• Special Purpose Terminals
• Perform a specific function
Types of Input Devices
• Types of terminals
• POS Terminal
• Terminal used in grocery stores at the point of sale
• ATM
• Self service banking machine
Types of Input Devices
• Biometric Input
• Devices which authenticate identity by
verifying personal characteristics
• Fingerprints, retinal scans, etc…
Types of Input Devices
• Input for physically disables users
• Include: keyguard, on screen keyboards, head
mounted pointer, and gesture recognition