1. Brendan Cooney CSC 152

2. What is Input? Any data or instructions entered into the memory of a computer Data- unprocessed information Instructions- steps that tell computer how to perform

3. Input Devices Input Device- hardware component used to enter data or instructions Types of devices: Keyboards Pointing devices Voice input Mobile input Video input Scanners Terminals Biometric input

4. Keyboard Input device with keys Typing area Function keys Key combinations Insertion point Keyboard connections Keyboard ergonomics

5. Pointing Devices Mouse- a pointing device that fits in the palm of the hand Most widely used pointing device Types: Mechanical Optical Cordless Other features: Buttons Wheel Mouse pad

6. Pointing Devices (cont’d) Trackball Touch pad Pointing stick Joystick / Wheel Light Pen Touch Screen Stylus, Digital Pen, Cursor

7. Voice/Audio Input Voice recognition- computer understands words Audio input- process of entering any sound into computer

8. Mobile Input PDA- personal digital assistant Stylus Memory Card Telephone Kit Digital Camera Voice Recorder Mini Keyboard Tablet PC Smart Phone

9. Digital / Video Input Digital camera- takes pictures and stores them digitally, allowing them to be put on computer Video input- capturing and storing full- motion video images Video capture card Digital video camera PC video camera Other Types: Web cam Video conferencing

10. Scanners Saves time by eliminating manual data entry Source Document Types: Flatbed Pen / Handheld Sheet-fed Drum Others

11. Terminals Consists of a keyboard, monitor, video card, and memory in a single unit Types: Dumb terminal- no processing power, not independent Smart terminal- processing power, independent Terminals: Point of sale terminals Card reader ATM’s Smart displays

12. Biometric Input Technology of authenticating a person’s identity by verifying a personal characteristic (biometric identifier), which is translated into a digital code (biometric device). Types: Physical characteristics: Fingerprint Face Hand geometry Iris Smart card

13. Input Devices for the Physically Challenged Americans with Disabilities Act Any company with 15+ employees must accommodate physically challenged users Types of aids: Key guard On-screen keyboard Head mounted pointer Implants

14. Chapter Summary “Input is any data or instructions you enter into the memory of a computer. This chapter described the various techniques of input and several commonly used input devices. Topics presented included the keyboard, mouse and other pointing devices, voice input, input devices for mobile users, digital cameras, video input, scanners and reading devices, terminals, biometric input, and input devices for physically challenged users” – p 5.36