Which of the following power sources are used to power a laptop?

While some specialized or aftermarket solutions might exist, solar panels are not a standard or primary power source for typical laptops.

Laptops use AC power, converted by an adapter, to operate when plugged into a wall outlet and to recharge the internal battery.

A laptop's internal battery provides portable power, allowing the device to operate without being connected to an external power source for a limited duration.

A docking station provides connectivity and often power through its own AC adapter to the laptop, but it is not a direct power source itself in the same way AC power or a battery are.