Reviewed by Editorial Team
The ProProfs editorial team is comprised of experienced subject matter experts. They've collectively created over 10,000 quizzes and lessons, serving over 100 million users. Our team includes in-house content moderators and subject matter experts, as well as a global network of rigorously trained contributors. All adhere to our comprehensive editorial guidelines, ensuring the delivery of high-quality content.
Learn about Our Editorial Process
| By Darren McMahon
D
Darren McMahon
Community Contributor
Quizzes Created: 20 | Total Attempts: 13,130
| Attempts: 425 | Questions: 7
Please wait...
Question 1 / 7
0 %
0/100
Score 0/100
1. When testing an AC outlet in the U.S., what voltage should the multimeter
show between the hot and ground wires?

Explanation

The multimeter should show 120 V (or thereabouts) between the hot and
ground of a properly wired outlet.

Submit
Please wait...
About This Quiz
A+ Essentials Chapter 8 - Quiz

Power Supplies

In this chapter, you will learn how to

• Explain the basics of electricity
• Describe the details about powering the PC
• Install, maintain, and troubleshoot power supplies

Personalize your quiz and earn a certificate with your name on it!
2. Why is it a good idea to ensure that the slot covers on your computer case are
all covered?

Explanation

Both A and B are correct reasons—keeping the slots covered helps keep a
good airflow in your case, and it keeps dust and smoke away from all those
sensitive internal components.

Submit
3. What voltages does an ATX12V P1 connector provide for the motherboard?

Explanation

An ATX12V power supply P1 connector provides 3.3, 5, and 12 volts to the
motherboard.

Submit
4. Joachim ordered a new power supply but was surprised when it arrived
because it had an extra, 4-wire connector. What is that connector?

Explanation

The P4 connector goes into the motherboard to support faster
processors.

Submit
5. What voltages should the two hot wires on a Molex connector read?

Explanation

A Molex connector’s red wires should be at 5 volts; the yellow wire should
be at 12 volts.

Submit
6. How many pins does a SATA power connector have?

Explanation

SATA power connectors have 15 pins.

Submit
7. A PC’s power supply provides DC power in what standard configuration?

Explanation

The standard PC power supply configuration has three primary voltage
rails, one each for 12-volt, 5-volt, and 3.3-volt connectors.

Submit
View My Results

Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 24, 2008
    Quiz Created by
    Darren McMahon
Cancel
  • All
    All (7)
  • Unanswered
    Unanswered ()
  • Answered
    Answered ()
When testing an AC outlet in the U.S., what voltage should the...
Why is it a good idea to ensure that the slot covers on your computer...
What voltages does an ATX12V P1 connector provide for the motherboard?
Joachim ordered a new power supply but was surprised when it...
What voltages should the two hot wires on a Molex connector read?
How many pins does a SATA power connector have?
A PC’s power supply provides DC power in what standard...
Alert!

Advertisement