
Power Supply Unit
Authored by Celestino Gellido
Computers
12th Grade
Used 30+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these features did the original IBM computer's PSU only have?
Soft Reset
On/Off Switch
Standby Mode
Power Saver
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of rail did older PSUs deliver most power on?
2-volt
4-volt
5-volt
10-volt
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are the four components of a PSU?
SATA Cord, VGA Cord, CPU, MB Cord
Transformer, Rectifier, Filter, Regulator
Transformer, Control Unit, Power Connector, Regulator
C-Filter, RC-Filter, Series Regulator, Shunt Regulator
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does ripple need to be taken care of in a PSU?
It can destroy or damage the load.
There is too much of the DC wave.
Only half of the AC wave was converted.
The conversion from AC to DC was not thorough enough.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the function of a shunt regulator?
Reduces ripple voltages left by the filter.
Controls the unregulated input that goes to output as regulated output.
Removes surges or drops that can damage plugged devices.
Shunts current away from the load to regulate output.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three types of rectifiers?
Half-wave, Full-wave, Bridge
Short-wave, Full-wave, Bridge
Part-wave, Long-wave, Full-wave
Short-wave, Medium-wave, Long-wave
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which is true about the cords in the PSU?
VGA cords power SSDs, hard drives, and optical drives
SATA cords power graphics cards and sound cards
CPU cords power the motherboard processor and socket
All of the above
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