Web applications run in a web browser which is created in any browser-supported programming language & relies on a web browser to render the application while Mobile applications are specially designed to run on smartphones, tablets having different platform like iOS, Android or Windows.
Enterprise Resource Planning is a business management tool that comprises of various modules to efficiently manage various areas of the business like human resources, financial, customer relationship and supply chain, etc.
Software testing is evaluation process to detect differences between given input and expected output. Quality Assurance encompasses entire SDLC and the goal is to ensure that the development and/or maintenance processes are continuously improved to produce products as per specifications/requirements.
SAP SE (Systems, Applications & Products in Data Processing) is a German multinational software corporation that makes enterprise software to manage business operations and customer relations.