Data or instructions entered into memory of computer .
Input device is any hardware component used to enter data or instructions
What are the two types of input?
- Data
- Unprocessed text, numbers, images, audio, and video
- Instructions
- Programs
- Commands
- User responses
What input devices are available for those with physical limitations?
- Key guard allows users to rest hands on keyboard without accidentally pressing keys
- Head-mounted pointer controls pointer on screen
- New developments include gesture recognition and computerized implant devices
What are recommended input devices for power users?
- Enhanced keyboard or ergonomic keyboard
- Mouse
- Stylus and portable keyboard for PDA
- Pen for graphics tablet
- 48-bit 1200 × 1200 ppi color scanner
- 5- or 6-megapixel digital camera
- Headset that includes a microphone
- PC video camera
What are recommended input devices for large business users
- Enhanced keyboard or ergonomic keyboard
- Mouse
- Stylus and portable keyboard for PDA or digital pen for Tablet PC
- Touch screen
- Light pen
- 42-bit 1200 × 1200 ppi color scanner
- OCR/OMR readers, bar code scanners, MICR reader, or data collection devices
- Microphone
- Video camera for video conferences
- Fingerprint scanner or other biometric device
What are recommended input devices for mobile users?
- Wireless mouse for notebook computer
- Trackball, touch pad, or pointing stick on notebook computer
- Stylus and portable keyboard for PDA or digital pen for Tablet PC
- 2- or 3-mega pixel digital camera
- Headset that includes a microphone
- Fingerprint scanner for notebook computer
What are recommended input devices for small office/home office users (SOHO)?
- Enhanced keyboard or ergonomic keyboard
- Mouse
- Stylus and portable keyboard for PDA or digital penfor Tablet PC
- 36-bit 600 × 1200 ppi color scanner
- 1- or 2-mega pixel digital camera
- Headset that includes a microphone
- PC video camera
What are recommended input devices for home users?
- Enhanced keyboard or ergonomic keyboard
- Mouse
- Stylus for PDA
- Joystick or wheel
- 30-bit 600 × 1200 ppi color scanner
- 1- or 2-mega pixel digital camera
- Headset that includes a microphone
- PC video camera
- Smart display
