Input And Output Devices

Input And Output Devices

1. Input Devices

   • Devices
     • Keyboard
       • Features
         • Made up of keys
           • Used To Input Alphanumerical Characters And Symbols
           • Example
             • Writing A Reports
             • Inputting Into A Database
     • Mouse
       • Features
         • Pointing Device
           • Used to Select Items On A Screen
           • Examples
             • Navigating A User Interface
     • Scanner
       • Features
         • Coverts Hard Copies Into A Digital Format (Text And Images)
           • Examples
             • Inputting a Photo For Editing In A Graphic Software
     • Graphics Tablets
       • Features
         • Controls The Computer With A Stylus On A Tablet
           • Example
             • Creating Digital Illustrations
     • Microphones
       • Features
         • Converts Analogue Signals (Sound Waves) Into Electronic Signals
           • Sends It To The Sound Card, Which Converts Analogue To Digitals
             • Examples
               • Talking ON A VOIP Software
               • Voice Recording
     • Webcam
       • Features
         • Inputs Video And Still Images Into A Computer
           • Examples
             • Video Conferencing
     • Sensor
       • Features
         • Takes Inputs From the Physical Environment
           • Examples
             • Security Systems
             • Automated Central Heating Systems

2. Outputs

   • Devices
     • Moniter
       • Features
         • Output An Image To The User
           • Examples
             • Watching Movies
             • Viewing The User Interface
     • Projector
       • Features
         • Outputs An Image Onto A Wall Or Screen
     • Printer
       • Features
         • Produces Hard Copies Of Digital Documents (Images And Text
           • Example
             • Hard Copy Of A Repots
             • Printing Digital Photos
   • Devices
     • Plotter
       • Features
         • Specialist Printer Draws To A Very High Quality On Large Paper
           • Examples
             • Drawing A Vector Graphics
     • Speaker
       • Features
         • Amplify Analogue Signals (Sound Waves)
           • Examples
             • Listening To Music
             • Listening To Someone During A VOIP call
     • Headphones
       • Features
         • Portable Alternative To Speakers
           • Examples