Chapter 11 - Understanding Operational Procedures Flashcards
Considering safety hazards, what is the most important aspect of computers that you should never forget?
11-505
they don’t just use electricity, they STORE electricity
when you begin to work on a power supply, you should discharge all capacitors within it. how do you do that?
11-506
connect a resistor across the leads of the capacitor with a rating of 3 watts or more and a resistance of 100 ohms per volt
next to a power supply, what’s the most dangerous component to work on? how do you handle this?
11-506
the CRT monitor
you don’t. you take it to a repair shop and let someone else deal with it
what’s the easiest thing you can do to help contain the effects of electrostatic discharge?
11-509
wear the antistatic wrist strap
where should you try to keep the humidity at?
11-512
around 50%
when you go to move equipment, what’s the first thing you need to make sure of?
11-515
make sure its unplugged
what does OSHA stand for?
11-520
Occupational Safety and Health Adminstration
tell me the two major classifications of accidents.
11-522
environmental
human
true or false: if there’s a lightning storm going on, you’ll be okay if you use a surge protector
11-522
false. you’re still at risk
where can you go to find out how to clean up a chemical spill?
11-522
in the Material Safety Data Sheets
there are 4 classes of fire extinguishers. Tell me what the classes are and tell me the most popular type of fire extinguisher used today.
11-523
A - wood and paper
B - flammable liquids
C - electrical fires
D - metal powder or salt
most popular type is multipurpose, its is the ABC extinguisher
a power sag without a complete loss is called a ____ .
11-524
brownout
what is the best device for power protection?
11-525
uninterruptible power supply
what should you use to clean the electronic connectors of computer equipment?
11-527
denatured isopropyl alcohol
what’s the best way to remove dust and dirt from the inside of the computer?
11-527
compressed air
