Intro-Power Supplies Flashcards
What is ESD?
Electro-Static Discharge.
How many volts does it take to damage a computer component?
Less than 30.
How many volts for someone to feel an ESD?
3000
How many volts for an ESD to cause pain or be heard?
10000
What safety measures can be taken to prevent ESD damage?
Placing components in antistatic bags when not in use.
Using grounded mats on workbenches.
Using grounded floor mats in work areas.
Using antistatic wrist straps when working inside computers.
What are the four forms of PC Cases?
Horizontal Cases.
Full-Size Towers.
Compact Towers.
All-in-One.
Where are each of the towers placed?
Horizontal-Underneath monitor.
F/C-Beside or underneath workstation.
What do cases help protect against?
ESD damage.
Give the four forms of power supply?
Advanced Technology (AT)
AT Extended (ATX)
ATX12V
EPS12V
Which forms of power supply are obselete?
AT and ATX.
What forms of power supply are still in use?
ATX12V and EPS12V.
Where is ATX12V used?
It is the most common form of power supply on the market. So almost anywhere.
Where is EPS12V used?
It was designed for networks, but is now commonly used in high-end desktops.
What are the 6 forms of cables?
20/24 Pin cable. SATA Keyed Connector. Molex Keyed Connector. Berg Keyed Connector. 4/8 Auxiliary Power Connector. 6/8 PCLe Power Connector.
What are the most common voltages that power supplies use?
3.3 V
5 V
12 V
