CompTIA A+ (220-1101): Power Supplies Flashcards
Which statements correctly characterize the 20-pin motherboard power adapter?
It had a detachable 4-pin section
It is the replacement for the 24-pin connector
It provides less power than the 24-pin connector
It provides more power than the 24-pin connector
It is the replacement for the P8 and P9 connectors
It provides less power than the 24-pin connector
Which statements correctly characterize the 20-pin motherboard power adapter?
The 80 PLUS certification of a power supply is a measure of which characteristic?
Efficiency
Wattage
Input Voltage
Output voltage
Amperage
Efficiency
At which voltage do system components such as chipser, DIMMs and expansion cards operate?
12
2
15
5
3.3
3.3
A modular power supply offers which benefits to a computer?
Hard-wired connectors
Less expensive
Reduced cable clutter
Improved airflow
More connectors
Reduced cable clutter
Improved airflow
Redundant power supplies would typically be found in which types of systems?
Blade servers
Laptops
Networking equipment
Mobile devices
Desktops
Blade servers
Networking equipment
Which component of a computer will typically require the most power?
Hard drive
Graphics Card
RAM
Optical drive
Fan
Graphics Card
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
The system will operate normally
The system will boot, but then shut down
The system will operate but slowly
The system will overheat
The system will not boot
