Managing Your Computer Environment

Question 1

Disposal procedures - Managing Your Computer Environment

Answer 1

• Read your Material Safety Data Sheets (MSDS)
• United States Department of Labor,
• Occupational Safety and Health Administration (OSHA)
• Provides information for all hazardous chemicals
• Batteries, display devices / CRTs, chemical solvents and cans,
toner and ink cartridges
• Product and company information, composition / ingredients, hazard information, first aid measures, fire- fighting measures, accidental release / leaking, handling and storage, etc.

Question 2

Room control - Managing Your Computer Environment

Answer 2

• Temperature - Devices (and humans) need constant cooling
• High humidity promotes condensation
• Low humidity promotes static discharges
• Computers generate heat - Don’t put everything in a closet

Question 3

UPS (Uninterruptible Power Supply) - Managing Your Computer Environment

Answer 3

• Provide backup power and protect against brownouts
• Types: Standby UPS, Line-interactive UPS, On-line UPS
• Features may include auto shutdown, battery capacity, outlets, phone line suppression, etc.

Question 4

Surge suppressor - Managing Your Computer Environment

Answer 4

• Not all power is “clean” - Self-inflicted power spikes and noise
• Storms, power grid changes
• Spikes are diverted to ground
• Noise filters remove line noise - Higher Db is be er
• Surge absorption is measured in Joules - higher is better
• Surge amp ratings - Higher is better
• UL 1449 voltage let-through ratings - Lower is better

Question 5

Protection from airborne particles - Managing Your Computer Environment

Answer 5

• Enclosures - Protect computers on a manufacturing floor
  
  • Protect from dust, oil, smoke
• Air filters and masks - Protect against airborne particles
  
  • Dust in computer cases
  • Laser printer toner

Question 6

Dust and debris - Managing Your Computer Environment

Answer 6

• Cleaning - Use neutral detergents
  
  • No ammonia-based cleaning liquids
  • Avoid isopropyl alcohol
• Vacuum - Use a “computer” vacuum
• Compressed air pump - Try not to use compressed air in a can