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WorksheetsPower Supplies
Total questions: 42
Worksheet time: 21mins
What does PSU stand for?
Power Supply Unit
Power Sync Unit
Processing Supply Unit
Processing Sync Unit
What takes electricity from the wall and transforms it into electricity your computer can use.
Power Supply Unit
Power Sync Unit
Processing Supply Unit
Processing Sync Unit
Which of the following are problems that power can create.
System instability
Crashes
Blue Screen of Death
Data loss
Electricity is a flow of ______ charged particles.
positively
negatively
ion
proton
The book analogizes electricity with the flow of water through pipes. The pressure of the water is compared to ______ in electricity terms.
the flow of water
flow of voltage
flow of current
flow of electrons
The book analogizes electricity with the flow of water through pipes. The volume flowing is equal to _____ in electricity.
Ohms
Watts
Voltage
Amperes
The book analogizes electricity with the flow of water through pipes. Work is equal to _____ in electricity.
Ohms
Watts
Voltage
Amperes
The book analogizes electricity with the flow of water through pipes. Resistance is equal to _____ in electricity.
Ohms
Watts
Voltage
Amperes
The amount of electronics moving past a certain point on a wire is called the _______ or ______.
Current, amperage
Volume, current
wattage, ohmes
Amperage, volume
What measurement is used to measure the current?
Volts
Amperes
inches
Ohms
What is the correlation formula between Watts, Volts, and Amps?
V + A= W
V / A= W
V x A= W
V - A= W
What will happen if you push 30 amps through a 20 amp wire?
Nothing
The wire bulges
The computer goes faster
The wire breaks
What are the two types of electricity?
A/C, Solar
Solar, D/C
A/C, D/C
Solar, Natural
What does DC stand for?
District of Columbia
Direct Current
Digital Current
Darkhorse Comics
What does AC stand for?
Asyncronise Current
Alternating Current
Alternating Comics
Accessing Current
Does AC or DC power travel long distances better?
AC
DC
Do PCs use AC or DC voltage to power itself?
AC
DC
What kind of connector does the power supply use to plug into the wall?
Tri-pronged flux capacitor
IEC-320
USB-C
CAT-5
On a standard wall plug what is the round part of the plug doing?
Providing positive charged electrons
Providing negative charged electrons
Providing the completed circuit
providing ground
What type of equipment would you use to test an outlet?
Volt-ohm Meter / Digital multimeter
Proton Pack
Outlet testing app
Water bottle
What would you use to protect your PC from spikes and sags in AC power?
AC Adapter
a raincoat
Surge protector
a grounded plug
What does UPS stand for (NOT the courier company)?
United Parcel Service
Uninterrupted Power Supply
Universal Power Suppressor
Unite Power Supply
What is a UPS used for?
protecting your computer from surges and sags in power.
To quickly deliver power to where it needs to be.
To send energy to the CPU to help it process faster
Protecting RAM from overloading
What are the two pin-sizes of connectors that you use as the main power to power a modern motherboard?
14 or 40
24 or 8
4 or 20
20 or 24
How many volts does a Molex connector supply?
5 and 12
6 and 12
6 and 9
9 and 12
The notches in a Molex connector are called?
Leads
Pins
Chamfers
successful wins in battles
Which is a mini connector or berg connector?
Which is a Molex connector?
Which is a SATA power connector?
How many pins does a SATA power connector have?
20
15
10
8
ATX systems have ____V running to the motherboard.
5
6
12
2
What is it called when the BIOS or operating system takes over from the power switch being turned on and handles the chore of turning the PC on or off?
Soft power
Hard power
Soft boot
Hart boot
What kind of motherboard would a server use?
ATX12V
ATX
UPS12V
EPS12V
When the AC current from the wall socket is converted into DC current that is split into three primary DC voltage _____.
chamfers
adapter
rails
systems
A sort of back pressure is created when the current is fully pushing or pulling at the top and bottom of each cycle and creates a phenomenon called.
Harmonics
Power fluctuation
brown out
Coming off the rails
How many watts does a typical Hard Drive draw?
about 10
about 15
about 60
about 5
How many watts does a quad-core Intel i7-4790K draw at peak usage?
110
90
60
151
Do power supplies turn 100 percent of the AC power into DC current?
Yes
No
Power supplies are graded for their efficiency.
True
False
ATX power supplies never turn off as long as it is connected to a power outlet.
True
False
Under 80 Plus, Gold power supplies run at ____ percent.
85
90
94
100
Under 80 Plus, Titanium power supplies run at ____ percent.
85
90
94
100
