Managing Your Computer Environment Flashcards
Disposal procedures - Managing Your Computer Environment
• 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.
Room control - Managing Your Computer Environment
- 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
UPS (Uninterruptible Power Supply) - Managing Your Computer Environment
- 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.
Surge suppressor - Managing Your Computer Environment
- 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
Protection from airborne particles - Managing Your Computer Environment
- 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
Dust and debris - Managing Your Computer Environment
- 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
