FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

EXTERNAL AND INTERNAL STORAGE DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When replacing a power supply, which of the following tends to vary among power supplies and must be chosen properly to support all connected devices?
A
Wattage
B
Voltage
C
Amperage
D
Resistance
Explanation: 

Detailed explanation-1: -The voltage level is a primary consideration, not the wattage. Although watts and voltage are related, due to internal regulators, it’s more important that you match the voltage as close as possible. Current can be a little higher without danger.

Detailed explanation-2: -You need to consider form factor, efficiency, amperage, protection, and the cables you’re going to need, along with any other features you are looking for. A good power supply can last for many years and can have a huge impact on the efficiency of your PC, so take the time to choose wisely.

Detailed explanation-3: -Power supplies, often referred to as “switching power supplies", use switcher technology to convert the AC input to lower DC voltages. The typical voltages supplied are: 3.3 volts.

There is 1 question to complete.