### Client Vs Server :sparkles: --- ### What is a Client? ! :point_right: * "A client is a computer hardware device or software that accesses a service made available by a server." * What does this mean? * Device Vs Programme. * Eg. Taxi service. * Types of request (URL, methods, URL encoded). --- ### What is a Server? :point_left: * "A computer that hosts a website on the internet." * What does it mean when the website doesn't load? * Eg. Taxi service, you will look at the information i.e what drivers are available and you respond if you can or can't fufill with a response to the client. * Static Vs Dynamic (Hardware and Software). --- ### Similarities :dancers: * Both support JS in different environments. * A server can be also be a client. ### HOW!!?  --- ### Differences :large_blue_circle::red_circle: * Run in different operating environments - server is always a computer, client device or programme. * Client makes requests and receives a response and server recieves request and sends response. * Server is hidden. * Languages - PHP, Python, Ruby, C# (server side). - HTML, CSS (client side). * Different purposes/concerns. * Different web frameworks. --- ### Server side development :rainbow: * To allow the display of dynamic content, dependent on the client. * Controlled access to content. * Custom preferences. * Store sessions. * Notifications/communication. * Data-analysis. --- ### What kind of code should be run on a server instead of a browser? :interrobang: * Language (php, python, ruby, c#, node.js). * Database management system - (SQL).