A PC, or personal computer, is a versatile electronic device that enables individuals to perform various tasks. It typically consists of a central processing unit (CPU), memory, storage, and input/output devices such as a keyboard and mouse. PCs are widely used for activities like web browsing, document creation, gaming, multimedia playback, and software development. They offer a wide range of capabilities and can be customized to suit individual needs, making them an essential tool in today's digital age.