Computersight -

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