Module 6

• Input


  Entering data and instructions into a computer
• Output


  Producing information from a computer
• Data is a collection of unprocessed items, including text, numbers, images, audio, and video
• Command

  An instruction that causes a program or app to perform a specific action
• User response


  An instruction a user issues by responding to a message displayed by a program or app
• Types of output


  • Text
  • Graphics
  • Audio
  • Video
• Manual input device


  A device where you enter data directly into the device
• Keyboards


  • Enable you to type text or commands
  • Have a typing area, function keys, toggle keys, and navigation keys
  • May include media control buttons, Internet control buttons, and other special keys

  
• Function keys


  Special keys programmed to issue commands to a computer
• Toggle key


  A key that will alternate views or turn a feature on or off each time you press it
• Navigation keys


  Keys used to move the insertion point in a program or app left, right, up, or down
• Keyboard shortcut

  A key or combination of keys used to access a feature to perform a command
• Pointer

  A small symbol on the screen that takes different shapes depending on the task, application, and location
• Pointing device


  A device that enables you to select text, graphics, and other objects on the screen
• Mouse


  A pointing device that fits under the palm of a hand comfortably and detects movement
• Touchpad


  A small, flat, rectangular pointing device that is sensitive to pressure and motion, often found on laptops
• Touch screen gestures


  • Tap
  • Double tap
  • Press and hold
  • Drag or slide
  • Scroll or swipe
  • Stretch
  • Pinch
• Touch-enabled monitors and screens

  • Allow users to interact with the operating system without a keyboard or pointing device
  • Users can tap, double-tap, slide, and drag items on the screen
• Devices that utilize touch input

  • Monitors and screens for computers, tablets, and smartphones
  • Wearable devices & portable media players
  • Digital cameras, kiosks, and navigation systems

  
• Pen input


  Using a stylus or digital pen to write, draw, or make selections on a flat surface
• Stylus


  A small metal or plastic device that looks like a tiny ink pen but uses pressure instead of ink
• Digital pen


  Captures and converts a user's handwriting or drawings into a digital format
• Pen input


  Touching a stylus or digital pen on a flat surface to write, draw, or make selections
• Pen input devices


  • Can be used to input information on a screen
• Some stylus designs


  • Include buttons you can press to simulate clicking a mouse
• Handwriting recognition software


  Translates the handwritten letters and symbols created on the screen into typed text or objects
• Signature capture pad


  A device used to capture a handwritten signature by writing on it with a stylus
• Graphics tablet


  A hardware device used to create drawings with a pressure-sensitive pen using an electronic plastic board that detects and converts movements of the stylus or digital pen into digital signals that are sent to the computer
• Voice input


  The process of entering input by speaking into a microphone
• Voice recognition app


  Allows users to dictate text and enter instructions by speaking into a microphone
• Speech-to-text feature


  Recognizes a user's spoken words and enters them into email messages, text messages, or other applications that support typed text entry
• Audio input


  Entering any sound into the computer, such as speech, music, and sound effects
• Music production software


  Allows users to record, compose, mix, and edit music and sounds
• Video input


  Capturing full-motion images and storing them on a computer or mobile device's storage medium or in the cloud
• Using DV technology


  1. Select a DV camera

  2. Record a video

  3. Transfer and manage videos

  4. Edit a video

  5. Enhance a video

  6. Distribute a video
• Special effects


  Warping, changing from color to black and white, morphing, or zoom motion
• Morphing


  Transforms one video image into another image throughout several frames of video
• Motion input or gesture recognition


  Users can guide on-screen elements using air gestures
• Air gestures


  Moving your body or a handheld input device through the air
• Motion-sensing devices


  Detect gestures and translate them into digital signals