Chapter 11 Flashcards
(25 cards)
What is the first rule of working inside a computer?
Power it off. p. 505
What is the exception to the first rule of working inside a computer?
you dont have to turn it off when working with hot swappable devices. p. 505
What is the most dangerous thing you can do as a computer technician?
Get inside the power supply. p. 505
True or false: You can produce 50,000 volts just from static electricity and it is enough to electrocute you.
False. There is not enough amps to electrocute you. p. 506
Other than the power supply, what is the next most dangerous thing to work on?
The monitor. p. 506
If you open the monitor what is the first thing you should do?
Use a high voltage probe to drain out the high voltage in the monitor. p. 507
How dos ESD occur?
When two objects of dissimilar charge come in contact with one another. p. 509
What is a way to prevent ESD?
Antistatic wrist wraps, mats etc. p. 509
What does an antistatic wrist wrap do?
Keeps your body at a 0 charge by grounding it. p. 510
True or false: for an antistatic wrist wrap to work properly the computer has to be plugged in and turned off.
True
When should you never wear an ESD strap?
When working int he power supply or monitor. p. 511
What are other ways to prevent ESD?
keep the huidity around 50 percent, antistatic spray. p. 512
Describe EMI
Electro Magnetic Interference can make your equipment malfunction. It is a distrubance caused by electromagnetic radiation generated by antoher source. p. 513
What are the most common sizes of Torx screws?
T-10 and T-15. p. 517
What is the function of a cable tie?
To keep cables together. p. 519
What is OSHA?
It covers all private employees. It regulates safety standards. p. 520.
What are some elements of a good safety plan?
A written document indicating who is responsible for the plan, inspections, eliminating hazards, processes for investigating the causes of accidents. p. 521
What is the best thing to do in a lighting storm?
power off equipment. p. 522
In case of a chemical spill what should you do?
Corden the area off and consult the material safety data sheets MSDS. p. 522
True or false: computers are cosidered hazmat
True. p. 523
What can you do to prevent a power surge from frying your equipment?
Buy a surge protector. p. 525
What can you clean your keyboard with ?
Distilled demineralized water p. 527
What should you use to clean the connectors of the computer?
Denatured isopropyl alcohol (p. 527)
If you get toner on your clothes what can you use to get it out?
a magnet. p. 528
