Safety and security - Chap 8 Flashcards
List the health risks posed by computer systems.
- Back and neck problems/ strain
- RSI (Repetitive strain injury)
- Eyestrain
- Headache
- Ozone irritation
What causes back and neck problems and how can they be reduced?
Caused by sitting in front of computer for a long time
• Use adjustable ergonomic chairs and workstation
•Maintain correct posture and use footrests
•Use screens that can be tilted so neck is at the right angle
What causes RSI and how can it be reduced?
It is the damage to finger and wrists caused by continuous use of mouse or keyboard.
• Take regular breaks and do exercise
• Use voice-activated software wherever possible
• Use ergonomic devices
• Use wrist rest
• Maintain correct posture of arms
What causes eyestrain and how can it be reduced?
Caused by staring at a screen for too long or incorrect lighting.
• Change from CRT to LCD so there is less flickering
• Use antiglare screens
• Use window blinds to reduce sunlight entering
• Get regular eye check-ups or use glasses
• Take regular breaks
What causes headache and how can it be reduced?
Caused by incorrect lighting, flickering screens and screen reflections. • Use LCD screens • Use anti-glare screens • Take regular breaks • Test your eyes
What causes ozone irritation and how can it be reduced?
Caused by laser printers (dry skin and respiratory problems).
• Use a separate room for printers
• Switch to inkjet printers
• Have proper ventilation in the office
List the safety risks posed by computers.
- Trailing wires (trip hazard)
- Electrocution
- Fire hazard
- Heavy equipment falling and causing injury
List ways of reducing risk of electrocution.
- Check equipment regularly
- Don’t bring drinks/ fluids near computers
- Use an RCB (residual current breaker)
- Insulate wires
List ways of reducing risk of tripping over trailing wires.
- Tuck away wires and cover them
- Use wireless wherever possible
- Use cable ducts
List ways of reducing risk of injury by heavy equipment.
- Use strong desks and supports
- Use large desks
- Don’t place equipment near edge as they could fall
List ways of reducing risk of fires.
• Check equipment regularly
• Don’t overload sockets with too many items
• Have a CO2 extinguisher in the office
• Ensure there is good ventilation to prevent
overheating
• Don’t cover equipment or any vents
•Use low voltage hardware (LCD instead of CRT)
What are few precautions home users can take to prevent health and safety risks?
• Don’t bring drinks near electronic equipment
• Fix wires or tuck them away to prevent chance of people coming in contact with wires
• Don’t cover computers with cloth, etc as that can block vents
• Don’t plug too many devices into sockets
Exercise and take regular breaks
• Use ergonomic workstations
What is personal data?
Data concerning a living person who can be identified directly from the data itself or by a data conjunction.
Examples of personal data.
- Name
- Address
- DOB
- Medical history
- Banking details
Examples of sensitive personal data.
- Ethnic origin
- Sexual orientation
- Criminal activity
- Religion
- Political views