General guidelines for "green computing" include which of the following?

Group of answer choices

Use notebooks when possible instead of desktop computers.

Dispose of e$-$waste $($devices$,$ ink cartridges, monitors, and so on$)$ in compliance with government regulations.

Power off devices when they are not in use and power up energy$-$intensive devices, such as laser printers, only when needed.

All of these are correct.