What are Web services?

Web Services are business logic components which provide functionality via the Internet
using standard protocols such as HTTP.Web Services uses Simple Object Access Protocol (SOAP) in order to expose the business functionality.SOAP defines a standardized format in XML which can be exchanged between two entities over standard protocols such as HTTP. SOAP is platform independent so the consumer of a Web Service it is just like block box of send and receive XML over HTTP.

I hope i have given sufficient details about Web services, enjoy cracking IV.

WebService a self contained block of code which is exposed over the internet to provide access to other to consume