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Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs Lab Manual, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition
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Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs Lab Manual, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition

by Mike Meyers, Mark Edward Soper
January 2023
Intermediate to advanced content levelIntermediate to advanced
672 pages
15h 13m
English
McGraw-Hill
Content preview from Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs Lab Manual, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition

Chapter 7

Power Supplies

The power supply in a PC has two important functions: it converts the alternating current (AC) from the wall outlet to direct current (DC), and it supplies that direct current to the various components of the PC in varying voltages, stepping down the voltage as needed.

In a desktop PC, that big metal power supply box inside the case handles these functions, and it parses out power to the components via sets of connectors and multicolored wires. In a notebook PC, the power transformation function is handled by the ...

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Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition

Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs, Seventh Edition (Exams 220-1101 & 220-1102), 7th Edition

Mike Meyers

Publisher Resources

ISBN: 9781264711673