Input and output devices

Input and output devices

1. Input Devices

   • Keyboard
     • Keys which allow for alphanumerical input
     • Can be used for typing essays or writing reports
     • Can also be used to input data into a database
   • Mouse
     • Gives users a digital pointer, this allows for them to select items on a screen
     • Navigation
     • Click, select, highlight
   • Scanner
     • Translates physical text or images into a digital version
     • To edit a photo
   • Graphics Tablet
     • Controls computers through a stylus on a tablet
     • To make a digital illustration
   • Microphone
     • Creates electrical signals through converting sound waves
     • Talking on VOIP software
     • Voice recordings
   • Webcam
     • Records real time footage and converts into video or still images
     • To video call
   • Sensor
     • Takes readings from physical environments
     • To record temperature
       • Automated central heating systems
     • To scan words into a digital software
     • Security systems (detecting body temperature)

2. Output Devices

   • Monitor
     • Presents images, videos, websites as well as softwares
     • Watching videos or movies
   • Headphones
     • A portable alternative to speakers
     • Only user can listen
     • Used to listen to music or watch movies
     • VOIP call
   • Printer
     • produces hard copies of digital docments and images on paper
     • A hard copy of a report
     • Printing digital photos
   • Projector
     • outputs an image onto a wall or screen
     • Usage for watching movies/tv shows
     • To view a user interface
   • Speakers
     • Amplify movie sound to create ambiance
     • Listening to music
     • Amplify sounds waves sent from a sound card for user to hear
     • Listening to someone during a VOIP call
   • Plotter
     • Specialist type of printer which creates high wuality on a very large paper
     • Drawing vector graphics