input output communication devices

• What are the two main categories of computer hardware?


  Input and output devices
• What is defined as hardware in a computer system?


  Physical parts of the computer system
• What is an example of hardware?


  The actual phone itself
• What are some examples of hardware components?

  CPU, motherboards, touch screens
• What are the categories of hardware devices?

  • Input devices: Provide data to a computer
  • Output devices: Receive data from a computer
  • Communication devices: Enable data transfer between computers
• What is an input device?

  Hardware that provides data to a computer
• How does a keyboard function as an input device?

  It sends typed data to the computer
• What is an example of an input device?

  Mouse
• How does a scanner function as an input device?

  It copies documents to the computer
• What is a webcam used for?

  Capturing video input for the computer
• What is the primary role of input devices?

  To provide data to the computer
• What is an example of an output device?

  Monitor
• What do speakers do as output devices?

  Produce sound from the computer
• How does a monitor function as an output device?

  It displays information from the computer
• What is the role of a printer as an output device?

  To produce physical copies of documents
• What are communication devices used for?

  • Enable data transfer between computers
  • Examples: hubs, switches, modems, routers
  • Work across two or more devices
• How do input and output devices differ from communication devices?

  Input/output devices work on one computer system
• What will be covered in future videos regarding hardware?

  More details on software and device categories
• What is a computer system made up of?


  Hardware and software