12/02/2022
IP - Internet Protocol is like your physical home address where you can be contacted when your attention is needed.
Http - stands for Hyper Text Transfer Protocol, defined the rules of communication between the browser and the web server. This can be likened to the way we humans initiate communication. Person A says "hi" in a language you understand, then to acknowledge him/her, person B has to say something back to person A to show B that message has been received and also, in a language A understands as well.
URL - This stands for Uniform Resource Locator and some call it a web address. A URL is nothing more than the address of a given unique resource on the Web. In theory, each valid URL points to a unique resource. Such resources can be an HTML page, a CSS document, an image, etc.
DNS - (Domain name system) this is a server that keeps the records of all the URL address with their corresponding IP address. This is like a phone book on your phone where you save all your friends' number with their corresponding names so you don't have to remember their number when you need to contact them later.
ISP - Internet Service Provider is the name given to the company that owns the SIM card you are using on your mobile phone. You already know their services
How the internet works?
When you decide to access a webpage e.g Facebook and type in Facebook's URL, your browser sends a request to a DNS server through your ISP for the Facebook's IP address (because in general, you are using a machine to get your work done, so the little you can do is provide it the language it understands, right? 🤷🏻♂️😀). When the first DNS server receives the request and cross-check if it has anything related to Facebookdotcom in its address book. If it does, then it sends back the corresponding IP address of Facebook to your browser which will now be used to access Facebook website. Then after the server holding the Facebook website receive the request for the page, it
