Question

What is a PSU? Give some examples

Answer 1

Answer:

Power Supply. A power supply is a hardware component that supplies power to an electrical device. ... For example, some monitors and external hard drives have power supplies that reside outside the main unit. These power supplies are connected directly to the cable that plugs into the wall.

Explanation:

Answer 2

BHEL, NTPC, IPCL, SAIL, ONGC are few PSU units in India. PUBLIC SECTOR UNDERTAKING. Companies where the government share is more than 50% are PSU. Example ONGC, IOCL, MY PC, GAIL, BPCL, HPCL etc.