1. Pointing Devices
1.1. A pointing device is an input device that allows a user to control a pointer on the screen
1.2. A pointer is a small symbol on the screen whose location and shape change as a user moves a pointing device
2. Objectives Overview
2.1. Define input and differentiate among a program, command, and user response
2.2. 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
2.3. Describe different mouse types and explain how to use a mouse
2.4. Describe various types of touch screens and explain how a touch-sensitive pad works
2.5. Describe various types of pen input, and identify other types of input for smart phones
2.6. Summarize the purpose of various game controllers
2.7. Explain how resolution affects the quality of a picture captured on a digital camera
2.8. Describe the uses of voice recognition, Web cams, and video conferencing
2.9. Discuss how various scanners and reading devices work
2.10. Summarize the various biometric devices
2.11. Discuss how POS terminals, automated teller machines, and DVD kiosks work
2.12. Identify alternative input devices for physically challenged users
3. What Is Input?
3.1. Input is any data and instructions entered into the memory of a computer
3.2. Instructions can be entered into the computer in the form of programs, commands, and user responses
3.2.1. A program is a series of related instructions that tells a computer what tasks to perform and how to perform them
3.2.2. Programs respond to commands that a user issues
3.2.3. A user response is an instruction a user issues by replying to a question displayed by a program
4. What Are Input Devices
4.1. An input device is any hardware component that allows users to enter data and instructions into a computer
5. The Keyboard
5.1. A keyboard is an input device that contains keys users press to enter data and instructions into a computer
5.2. Most desktop computer keyboards have…
5.2.1. Between 101 and 105 keys
5.2.2. A numeric keypad on the right side of the keyboard
5.2.3. Function keys, CTRL keys, ALT keys, and arrow keys
5.2.4. WINDOWS key
5.2.5. APPLICATION key
5.2.6. Toggle keys
5.3. The insertion point, also known as the cursor, is a symbol on the screen that indicates where the next character you type will appear
5.4. Wired Keyboards
5.4.1. USB port
5.4.2. Keyboard port
5.5. Wireless Keyboards
5.5.1. Bluetooth
5.5.2. IrDA
5.6. An ergonomic keyboard has a design that reduces the chance of wrist and hand injuries
5.7. Ergonomics incorporates comfort, efficiency, and safety into the design of the workplace
5.8. Keyboards on mobile devices typically are smaller and/or have fewer keys
5.9. Some phones have predictive text input, which saves time when entering text using the phone’s keypad
6. Mouse
6.1. A mouse can be wired or wireless
6.2. A mouse is a pointing device that fits under the palm of your hand comfortably
6.2.1. Most widely used pointing device on desktop computers
6.3. Mouse operations
6.3.1. Point
6.3.2. Click
6.3.3. Right-click
6.3.4. Double-click
6.3.5. Triple-click
6.3.6. Drag
6.3.7. Right-drag
6.3.8. Rotate wheel
6.3.9. Free-spin wheel
6.3.10. Press wheel
6.3.11. Tilt wheel
6.3.12. Press thumb button
7. Other Pointing Devices
7.1. Trackball
7.1.1. A trackball is a stationary pointing device with a ball on its top or side
7.2. Touchpad
7.2.1. A touchpad is a small, flat, rectangular pointing device that is sensitive to pressure and motion
7.3. Pointing Stick
7.3.1. A pointing stick is a pressure-sensitive pointing device shaped like a pencil eraser that is positioned between keys on a keyboard
8. Touch Screens and Touch-Sensitive Pads
8.1. A touch screen is a touch-sensitive display device
8.2. Microsoft Surface
8.3. Touch-sensitive pads
9. Pen Input
9.1. With pen input, you touch a stylus or digital pen on a flat surface to write, draw, or make selections
10. Other Input for Smart Phones
11. Game Controllers
11.1. Joysticks and Wheels
11.2. Light guns
11.3. Gamepads
11.4. Light guns
11.5. Motion-sensing controllers
12. Digital Cameras
12.1. Studio cameras
12.2. Field cameras
12.3. Point-and-shoot camera
12.4. Two factors affect the quality of digital camera photos:
12.4.1. Resolution
12.4.1.1. Resolution is the number of horizontal and vertical pictures in a display device A pixel is the smallest element in an electronic display
12.4.2. Number of bits stored in each pixel
12.4.2.1. 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
13. Voice Input
13.1. Voice input is the process of entering input by speaking into a microphone
13.2. Voice recognition is the computer’s capability of distinguishing spoken words
13.3. Audio input is the process of entering any sound into the computer
13.3.1. Speech
13.3.2. Music
13.3.3. Sound Effects
13.4. Music production software allows users to record, compose, mix, and edit music and sounds
14. Video Input
15. Scanners and Reading Devices
15.1. Flatbed
15.2. Pen or Handheld
15.3. Sheet-fed
15.4. Drum
15.5. Optical character recognition (OCR) involves reading characters from ordinary documents
15.6. A turnaround document is a document you return to the company that creates and sends it
15.7. Optical mark recognition (OMR) reads hand-drawn marks such as small circles or rectangles
15.8. An OMR device scans the documents and matches the patterns of light
15.9. A bar code reader, also called a bar code scanner uses laser beams to read bar codes
15.10. Magnetic stripe card readers read the magnetic stripe on the back of cards such as:
15.10.1. Credit cards
15.10.2. Entertainment cards
15.10.3. Bank cards
15.10.4. Other similar cards
15.11. 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
15.11.1. RFID can track
15.11.1.1. Inventory
15.11.1.2. Location of soldiers
15.11.1.3. Employee wardrobes
15.11.1.4. Airline baggage
15.11.1.5. Gauging tire pressure and temperature
15.11.1.6. Library books
15.11.1.7. Prepaid tolls
15.12. MICR (magnetic ink character recognition) devices read text printed with magnetized ink
15.12.1. Banking industry uses MICR for check processing
15.12.2. Data collection devices obtain data directly at the location where the transaction or event takes place
15.12.3. Used in
15.12.3.1. Restaurants
15.12.3.2. Grocery stores
15.12.3.3. Factories
15.12.3.4. Warehouses
15.12.3.5. The outdoors