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UNIT 8 - Coggle Diagram

- - - - • Use fully adjustable chairs to give the correct posture
      - • Use footrests to reduce posture problems
      - • Use screens that can be tilted to ensure the neck is at the correct angle
  - - - • Ensure correct posture is maintained
      - • Make proper use of a wrist rest when using a mouse or a keyboard
      - • Take regular breaks
      - • Make use of ergonomic keyboards
      - • Use voice-activated software if the user is prone to problems when using a mouse and keyboard
  - - - • Ensure that there is no screen flicker as this can lead to eye problems
      - • Change to LCD screens where flicker is less a problem than with CRT secrets.
      - • Take regular breaks
      - • Make use of anti-glare screens if lighting in the room is incorrect; or use a window blinds to reduce sunlight reflecting from the screen
      - • Users should have their eyes tested on a regular basis.
  - - - • Use an anti-glare screen or use window blinds to cut out reflections (incorrect lighting can cause squinting and lead to headaches).
      - • Take regular breaks and do some exercise
      - • Have your eyes tested regularly and use middle vision glasses if necessary
  - - - • Proper ventilation should exist to remove the ozone gas as quickly as possible
      - • Laser printers used to be housed in a designated printer room
      - • Change to other types of printers
- - - - Cyber predators
      - Cyber bullies
      - Data theft
      - Adult content
    - - Knowing how to block and report unwanted users.
      - never arranging to meet anyone alone, and always telling an adult first and meeting in a public place.
      - avoiding the misuse of image, using appropriate language.
      - respecting confidentiality
  - - - Spam, or junk emails.
      - Phishing
      - Viruses from attachments
    - - only emailing people already known
      - thinking before opening an email from an unknown person
      - never emailing the school’s name or a picture of a learner in school uniform
  - - - Never reveal personal information
      - Use a nickname as your game name
      - Play online games that use anti-virus/anti-spyware software
      - Know how to block people in the game
      - Report unwanted users