Input and output devices

Question 1

input device

Answer 1

• used to provide data and control signals to an information processing system such as a computer

Question 2

output devices

Answer 2

• any piece of computer hardware equipment which converts information into a human-readable form such as audio.

Question 3

input device examples

Answer 3

• keyboard; keys used to input letters/numbers and symbols e.g. writing report
• scanner; converts hard copy text/images into a digital format
• mouse; pointing device used to select items on screen e.g. clicking on icons
• webcam; inputs video and still images directly into a computer e.g. streaming
• graphics tablet; controls the computer by a use of a stylus (screen pen) on a tablet
  e. g. creating logos/ graphics

Question 4

output device examples

Answer 4

• printer; produces hard copies of digital documents and images on paper e.g. print report
• speakers/ headphones; amplify analogue signals (sound waves) sent from sound card for user to hear e.g. music
• projector; outputs an image onto a wall/screen
• monitor; outputs an image to the user e.g. watching movies/ playing games