Safety and Power Supplies 801-Ch1 Flashcards
What Type of Fire Extinguisher should you keep handy for Computer fires?
Class C
To reduce static Build up, what should you do?
Don't shuffle feet Increase humidity to 50-60% Keep your self grounded wear cotton Remove Carpet ESD Tool
What type of Fire Extinguisher substance interrupts the Chemical Reaction of burning Materials?
Halon
True or False? You need to be concerned about electrostatic discharge, because it can be fatal to humans?
False, it is bad for PC
True or False, Batteries, toner, cartridges, and ink cartridges can be disposed of in landfills w/o any consequences.
False
Which of the following are conductors? Choose 3
Ceramics, Metals,Gases, Plastics, Liquids
Metals, Liquids, and Plastics
Which of the following are insulators? Choose 3Ceramics, Metals,Gases, Plastics, Liquids
Ceramics, Gases, Plastics
Which of the following is derived qty that you can calculate by multiplying the force of electricity caused by a difference in charge at 2 locations & the measure of the flow of electrons past a given point? Electrical Power, Current, Impedance, resistance, Voltage?
Electrical Power
Which of the following is measured in amps? Current, Resistance, Electrical Power, Voltage, Impedance
Electrical Power
Which of the following opposes the flow of the DC through a Conductor?
Current, Resistance, Electrical Power, Voltage, Impedance
Resistance
What is the formula for relating Voltage, current, and resistance?
V=i*r
True or False, At a given voltage, current increases as resistance drops?
True
Which of the following are measured in OHMS? Choose 2 - Current, Resistance, Electrical Power. Voltage, Impedance
Impedance and Resistance
The power requirements of a motherboard are estimated to be which of the following in Watts? 5,10, 30, 50, 100
30 Watts
Which of the following components requires the most power? Choose 1 - Adapter card, Memory, CPU, Motherboard, Hard Drive
CPU