Which two pieces of information are needed before selecting a power supply? (Choose two.)
- the voltage requirements of peripheral devices
- the installed operating system
- the form factor of the case
- the total wattage of all components
- the type of CPU
Explanation: When building a computer, select a power supply with sufficient wattage to power all the components. Each component inside the computer uses a certain amount of power. Obtain the wattage information for the components from the manufacturer documentation. When deciding on a power supply, make sure to choose a power supply that has more than enough power for the current components.
The shape of the computer case is usually determined by the motherboard, power supply, and other internal components.