ICT revision

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  • ICT
    • peripheral devices
      • keyboard
      • mouse
      • monitor
      • scanner
      • printer
    • Bandwidth and latency
      • definition of bandwidth: A range of frequencies within a given band, in particular that used for transmitting a signal.
      • definition of  latency: The delay before a transfer of data begins following an instruction for its transfer.
    • Security
      • Don''t open links in emails
      • definition of security: the state of being free from danger or threat.
      • Back up your computer with a firewall or some form of security system.
    • negative effects of using devices too much.
      • Eye strain
      • obesity
      • loss of social skills
      • aggression
      • sleep Deprivation.
    • hacking
      • definition of hacking: gain unauthorized access to data in a system or computer.
      • Change your passwords often.
      • Purchase or download anti-virus software


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