1. What Are Input Devices
1.1. An input device is any hardware component that allows users to enter data and instructions into a computer
2. The Keyboard
2.1. A keyboard is an input device that contains keys users press to enter data and instructions into a computer
2.2. Most desktop computer keyboards have…
2.2.1. Between 101 and 105 keys
2.2.2. A numeric keypad on the right side of the keyboard
2.2.3. Function keys, CTRL keys, ALT keys, and arrow keys
2.2.4. WINDOWS key
2.2.5. APPLICATION key
2.2.6. Toggle keys
2.3. The insertion point, also known as the cursor, is a symbol on the screen that indicates where the next character you type will appear
2.4. Wired Keyboards
2.4.1. USB port
2.4.2. Keyboard port
2.5. Wireless Keyboards
2.5.1. Bluetooth
2.5.2. IrDA
2.6. An ergonomic keyboard has a design that reduces the chance of wrist and hand injuries
2.7. Ergonomics incorporates comfort, efficiency, and safety into the design of the workplace
2.8. Keyboards on mobile devices typically are smaller and/or have fewer keys
2.9. Some phones have predictive text input, which saves time when entering text using the phone’s keypad
3. Mouse
3.1. A mouse can be wired or wireless
3.2. A mouse is a pointing device that fits under the palm of your hand comfortably
3.2.1. Most widely used pointing device on desktop computers
3.3. Mouse operations
3.3.1. Point
3.3.2. Click
3.3.3. Right-click
3.3.4. Double-click
3.3.5. Triple-click
3.3.6. Drag
3.3.7. Right-drag
3.3.8. Rotate wheel
3.3.9. Free-spin wheel
3.3.10. Press wheel
3.3.11. Tilt wheel
3.3.12. Press thumb button
4. Other Pointing Devices
4.1. Trackball
4.1.1. A trackball is a stationary pointing device with a ball on its top or side
4.2. Touchpad
4.2.1. A touchpad is a small, flat, rectangular pointing device that is sensitive to pressure and motion
4.3. Pointing Stick
4.3.1. A pointing stick is a pressure-sensitive pointing device shaped like a pencil eraser that is positioned between keys on a keyboard
5. Pen Input
5.1. With pen input, you touch a stylus or digital pen on a flat surface to write, draw, or make selections
6. Other Input for Smart Phones
7. Scanners and Reading Devices
7.1. Flatbed
7.2. Pen or Handheld
7.3. Sheet-fed
7.4. Drum
7.5. Optical character recognition (OCR) involves reading characters from ordinary documents
7.6. A turnaround document is a document you return to the company that creates and sends it
7.7. Optical mark recognition (OMR) reads hand-drawn marks such as small circles or rectangles
7.8. An OMR device scans the documents and matches the patterns of light
7.9. A bar code reader, also called a bar code scanner uses laser beams to read bar codes
7.10. Magnetic stripe card readers read the magnetic stripe on the back of cards such as:
7.10.1. Credit cards
7.10.2. Entertainment cards
7.10.3. Bank cards
7.10.4. Other similar cards
7.11. RFID (radio frequency identification) uses radio signals to communicate with a tag placed in or attached to an object An RFID reader reads information on the tag via radio waves
7.11.1. RFID can track
7.11.1.1. Inventory
7.11.1.2. Location of soldiers
7.11.1.3. Employee wardrobes
7.11.1.4. Airline baggage
7.11.1.5. Gauging tire pressure and temperature
7.11.1.6. Library books
7.11.1.7. Prepaid tolls
7.12. MICR (magnetic ink character recognition) devices read text printed with magnetized ink
7.12.1. Banking industry uses MICR for check processing
7.12.2. Data collection devices obtain data directly at the location where the transaction or event takes place
7.12.3. Used in
7.12.3.1. Restaurants
7.12.3.2. Grocery stores
7.12.3.3. Factories
7.12.3.4. Warehouses
7.12.3.5. The outdoors
8. Terminals
8.1. A POS terminal records purchases, processes payment, and updates inventory
8.2. An automated teller machine (ATM) allows users to access their bank accounts
8.3. A DVD kiosk is a self-service DVD rental machine
9. Input Devices for Physically Challenged Users
9.1. Keyguard
9.2. Keyboards with larger keys
9.3. On-screen keyboard
9.4. Various pointing devices
9.5. Head-mounted pointer
9.6. Gesture recognition
9.7. Computerized implant devices
9.8. Keyboard with larger keys
9.9. Head-mounted pointer
10. Summary
10.1. Various techniques of entering input
10.2. Several commonly used input devices
10.3. Keyboard, mouse, and other pointing devices; touch screens, pen input, other input for smart phones, game controllers, digital cameras, voice input, video input, scanners and reading devices, biometric input, and terminals
10.4. Input devices for physically challenged users
11. Pointing Devices
11.1. A pointing device is an input device that allows a user to control a pointer on the screen
11.2. A pointer is a small symbol on the screen whose location and shape change as a user moves a pointing device
12. Objectives Overview
12.1. Define input and differentiate among a program, command, and user response
12.2. Identify the keys and buttons commonly found on desktop computer keyboards, and describe how keyboards for mobile computers and devices differ from desktop computer keyboards
12.3. Describe different mouse types and explain how to use a mouse
12.4. Describe various types of touch screens and explain how a touch-sensitive pad works
12.5. Describe various types of pen input, and identify other types of input for smart phones
12.6. Summarize the purpose of various game controllers
12.7. Explain how resolution affects the quality of a picture captured on a digital camera
12.8. Describe the uses of voice recognition, Web cams, and video conferencing
12.9. Discuss how various scanners and reading devices work
12.10. Summarize the various biometric devices
12.11. Discuss how POS terminals, automated teller machines, and DVD kiosks work
12.12. Identify alternative input devices for physically challenged users
13. What Is Input?
13.1. Input is any data and instructions entered into the memory of a computer
13.2. Instructions can be entered into the computer in the form of programs, commands, and user responses
13.2.1. A program is a series of related instructions that tells a computer what tasks to perform and how to perform them
13.2.2. Programs respond to commands that a user issues
13.2.3. A user response is an instruction a user issues by replying to a question displayed by a program
14. Touch Screens and Touch-Sensitive Pads
14.1. A touch screen is a touch-sensitive display device
14.2. Microsoft Surface
14.3. Touch-sensitive pads
15. Game Controllers
15.1. Joysticks and Wheels
15.2. Light guns
15.3. Gamepads
15.4. Light guns
15.5. Motion-sensing controllers
16. Digital Cameras
16.1. Studio cameras
16.2. Field cameras
16.3. Point-and-shoot camera
16.4. Two factors affect the quality of digital camera photos:
16.4.1. Resolution
16.4.1.1. Resolution is the number of horizontal and vertical pictures in a display device A pixel is the smallest element in an electronic display
16.4.2. Number of bits stored in each pixel
16.4.2.1. Each pixel consists of one or more bits of data The more bits used to represent a pixel, the more colors and shades of gray that can be represented
17. Voice Input
17.1. Voice input is the process of entering input by speaking into a microphone
17.2. Voice recognition is the computer’s capability of distinguishing spoken words
17.3. Audio input is the process of entering any sound into the computer
17.3.1. Speech
17.3.2. Music
17.3.3. Sound Effects