Final answer:
Yes, batteries and generators can operate in parallel with the GPU. Parallel connections allow for a larger current to be delivered.
Step-by-step explanation:
Yes, batteries and generators can operate in parallel with the GPU. When devices require more than one voltage source, such as batteries, they can be connected in parallel configurations. Parallel connections allow for a larger current to be delivered, which is often necessary for starting certain engines, such as diesel engines in trucks.