Computer Support/Hardware/Power Supplies

< Computer Support < Hardware

This lesson covers power supplies.

Objectives and Skills

Objectives and skills for the power supplies portion of A+ certification include:[1]

Install a power supply based on given specifications.
  • Connector types and their voltages
    • SATA
    • Molex
    • 4/8-pin 12v
    • PCIe 6/8-pin
    • 20-pin
    • 24-pin
  • Specifications
    • Wattage
    • Dual rail
    • Size
    • Number of connectors
    • ATX
    • Micro-ATX
    • Dual voltage options

Readings

  1. Read Wikipedia: Power supply unit (computer).
    1. Read Wikipedia: Molex connector.
    2. Read Wikipedia: Electric power.

Multimedia

  1. Watch YouTube: PC Power Connectors - CompTIA A+ 220-901: 1.8.
  2. Watch YouTube: Computer Power Specifications - CompTIA A+ 220-901: 1.8.

References

  1. ↑ CompTIA: A+ Certification Exam Objectives - Exam 220-901
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