$1.$ use a PowerPoint show that contains figures only to explain thetechnologies used: Node JS$,$ Express, and Postman and give thenames of alternative technologies that can be used$2.$ explain how the CRUD application works by highlighting the meaningof the keywords: CRUD, HTTP$,$ require, call$-$back function, routes,endpoints, request, response, JSON, UUID. The code explanationshould provide at least four cases for each of the CRUD capabilities.