Chapter 3 Flashcards
EMI
Electromagnetic interference
What are tweezers used for?
To work with smaller items in the computer, such as jumpers.
What is a multimeter?
Used to verify that the wall outlet is supplying the correct voltage and that your power connectors to the hard drive and CD-ROM drives are supplying the correct voltage as well.
What is a windows boot disk?
A disk that contains the core boot files that are needed to boot a windows OS.
What is a live cd?
A term used for booting and running the OS from a CD.
What are antistatic bags used for?
When carrying computer components from one place to another.
How does a humidifier help protect a computer?
Places moisture in the air to reduce static electricity in the air.
What is the responsibility of a power supply unit?
Taking alternating current from the wall outlet and converting it to direct current that is usable by computer components.
The power supply takes how much AC from the wall outlet and supplies DC?
Coverts 120 volts of AC to 3.3V, 5V, or 12V of DC.
CRT
Cathode ray tube
Computer compontes can be destroyed with as little as?
200 Volts
EMI stands for?
Electromagnetic interference
ESD stands for ?
Electrostatic discharge
EPA
Environmental protection agency
RSI
Repetitive strain injury