Question

What is proper noun​

Answer 1

Answer:

A proper noun is a noun that identifies a single entity and is used to refer to that entity, such as London, Jupiter, Sarah, or Microsoft, as distinguished from a common noun, which is a noun that refers to a class of entities and may be used when referring to instances of a specific class.

Answer 2

Answer:

Proper noun is a specific name given to person,place,thing or animal.

e.g. Ruby, Chandigarh, Rohit etc.