Chapter 4

Input

What is Input?

• Data
• Programs
• Commands
• Keyword
• Menu-driven
• GUI
• User Response

What are Input Devices?

• Keyboard
• Numeric keypad
• Function Keys
• Insertion Point
• Arrow Keys
• Toggle Keys
• Keyboard Types
• QWERTY
• Dvorak
• Enhanced
• Wireless
• Pointing Devices
• Mouse
• Mechanical
• Optical
• Cordless
• Trackball
• Touchpad
• Pointing Stick
• Joystick
• Touch Screen
• Pen Input
• Light Pen
• Pen Computing
• Graphics Tablets
• Scanners & Reading Devices
• Optical Scanners
• Optical Readers
• OCR
• OMR
• Bar Code Scanners
• Magnetic Ink Character Recognition Readers

Data Collection Devices

• Digital Cameras

Audio & Video Input

• Audio Input
• Speech Recognition Software
• Video Input
• Video Capture
• Video Conferencing

Input Devices for Physically Challenged Users

• Keyguard
• Head-mounted pointer