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Input 11

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Input 11 Input 11 Presentation Transcript

  • Chapter 5 Input
  • What Is Input?
    • What is input ?
    p. 230 and 232 Fig. 5-1
      • Input device is any hardware component used to enter data or instructions
      • Data or instructions entered into memory of computer
    Next
  • What Is Input?
    • What are the two types of input?
    p. 230 Fig. 5-2
        • Unprocessed text, numbers, images, audio, and video
      • Instructions
        • Programs
        • Commands
        • User responses
      • Data
    Next
  • The Keyboard
    • How is the keyboard divided?
    p. 232 Fig. 5-3
      • Typing area
      • Numeric keypad
      • Function keys, special keys that issue commands
    Next
  • The Keyboard
    • What are alternative forms for commands?
    p. 233 Fig. 5-4
      • Many programs allow you to use key combination, menu, or button to obtain same result
    Next MICROSOFT WORD KEY COMBINATION EQUIVALENTS Key Menu | Command Combination Command Button Copy Shift+F2 or Edit | Copy Ctrl+C Open Ctrl+F12 File | Open Paste Ctrl+V Edit | Paste
  • The Keyboard
    • What is a cordless keyboard ?
    p. 234 Fig. 5-6
      • Communicate with a receiver attached to a port on the system unit
    Next
  • The Keyboard
    • What are other types of keyboards?
    p. 234 Fig. 5-7
      • Notebook and many handheld computers have built-in keyboards
    Next
  • Pointing Devices
    • What is a mouse ?
    p. 235 Fig. 5-8
      • Pointing device that fits under palm of hand
        • Pointing device controls movement of pointer, also called mouse pointer
      • Mechanical mouse has rubber or metal ball on underside
    Next mouse buttons wheel button mouse pad ball Click to view Web Link, click Chapter 5, Click Web Link from left navigation, then click Mouse below Chapter 5
  • Pointing Devices
    • What is an optical mouse ?
    p. 235 Fig. 5-9
      • No moving mechanical parts inside
      • Senses light to detect mouse’s movement
      • More precise than mechanical mouse
      • Connects using a cable, or wireless
    Next
  • Pointing Devices
    • How do you use a mouse?
    p. 236 Fig. 5-10 Step 1. Place the mouse toward the right of the mouse pad. Step 2. Move the mouse diagonally toward the left until the pointer is positioned on the Microsoft Outlook icon.
      • As you move mouse, pointer on screen moves
    Next
  • Pointing Devices
    • What are common mouse operations?
    p. 237 Point Click Drag Rotate wheel Press wheel button Right- drag Right- click Triple- click Double- click Next
  • Other Pointing Devices
    • What is a trackball ?
    p. 238 Fig. 5-12
      • Stationary pointing device with a ball on its top
      • To move pointer, rotate ball with thumb, fingers, or palm of hand
    Next
  • Other Pointing Devices
    • What are a touchpad and a pointing stick ?
    p. 238 Figs. 5-13—5-14
      • Touchpad is small, flat, rectangular pointing device sensitive to pressure and motion
      • Pointing stick is pointing device shaped like pencil eraser positioned between keys on keyboard
    Next Click to view Web Link, click Chapter 5, Click Web Link from left navigation, then click Touchpad and Pointing Stick below Chapter 5
  • Other Pointing Devices
    • What are a joystick and a wheel ?
    p. 239 Fig. 5-15
      • Joystick is vertical lever mounted on a base
      • Wheel is steering-wheel-type input device
        • Pedal simulates car brakes and accelerator
    Next
  • Other Pointing Devices
    • What is a light pen ?
    p. 239 Fig. 5-16
      • Handheld input device that can detect light
        • Press light pen against screen surface and then press button on pen
    Next
  • Other Pointing Devices
    • What is a touch screen ?
    p. 240 Fig. 5-17
      • Touch areas of screen with finger
      • Often used with kiosks
    Next Click to view Web Link, click Chapter 5, Click Web Link from left navigation, then click Touch Screen below Chapter 5
  • Other Pointing Devices
    • What is a stylus ?
    p. 240 Fig. 5-18
      • Looks like a ballpoint pen, but uses pressure to write text and draw lines
      • Used with graphics tablets , flat electronic boards
    Next Click to view Web Link, click Chapter 5, Click Web Link from left navigation, then click Stylus and Pen below Chapter 5