Question

what is an IP address and what is its uses

Answer 1

first of all ip means internet protocol
an ip adress is a numerical lebel assigned to each device connected connected to a computer network that uses the ip for communication.
it has two function
1.host
2.location addressing

Answer 2

IP address is a unique address of a device when you connect to the Internet. It's likely that your computer shares your IP address with the other networked device in your house or office.

From your IP address a website can determine your rough geographical location.