(Q&A) CompTIA A+ Core 1: Power Supplies

 

Question

:

A modular power supply offers which benefits to a computer?

• Improved airflow

• Reduced cable clutter

Question

:

Which statements correctly characterize the 20-pin motherboard power adapter?

• It provides less power than the 24-pin connector

• It is the replacement for the P8 and P9 connectors

Question

:

At which voltage do system components such as chipset, DIMMs and expansion cards operate?

• 3.3

Question

:

What is the most likely outcome when a system is booted if the voltage switch on the power supply is set to 220 volts, but the incoming power is only 110 volts?

• The system will not boot

Question

:

The 80 PLUS certification of a power supply is a measure of which characteristic?

• Efficiency

Question

:

Redundant power supplies would typically be found in which types of systems?

• Networking equipment

• Blade servers

Question

:

Which component of a computer will typically require the most power?

• Graphics card