INTERNET AND NETWORKS
IPV4 designed in 1973 Now changes to IPV6
DNS
Set of connected cables that travel around the world with information and helps to communicate in seconds.
Computers communicate to servers to get the precise information and it the servers don`t know the information then they ask other server for the information and like this until one server gives the information and passes to the computer.
Region network
Subnetwork
Country network
Adress of the device/device
Internet has becomed more popular and 4billion adresses will not be enough.
It is like a personal card with your adress and your location, your age or wataver and it helps you travel it to other computer, like if you want to know the sice of a pencil you ask one app which uses this method to travel the information to your computer. Basically the app makes you communicate with other computer.
Modern search engines
Searches a safe option and a web that has all the words you enclouded in your question. Then it finds the best results and shows them to you.
Look for the best option of what you are looking for
Gives you the best option even dought you may not have given the necessary information for it.
The packets re the information or the question of the information travelling to other servers until it gets or to the computer or to the server which gives the awnser and goes back to the computer.
When there are a lot of servers searching for other awnsers and being occupied then the package will try to find another way to get to a server.
A picture is full of beats which are codes so a computer divides it into small packages so that it can travel more easier to another device.
Internet travels with routers and it dosen`t matter which way the router will take to send the packages because they will arrive to the place were they are send.
TCP(Transmition control protocol) manages the sending and recieving of all your data as packets.
The more router we add the more reliable the internet becomes.
Computers communicate in hipper text transfer protocol or HTTP. If there are more HTTP requests then the responses will be slower because there are more beats in the package.
Hiper text markup language stands for HTML and it is used to change the text and give it not only a unique shape but also it may take you to pages by only clicking on it.
SSL&TLS
SSL stands for secure sockets layer and TLS stands for transport layer security. When they are active there will be a little lock next to https this means the page is secured and safe. If this lock do not appear the page my be a scam page.
HTTPS means hyper text transfer protocol secure.
HTTP and DNS manage the sending and receiving of web files.
Ecriptyons are codes that internet uses for them to not be revealed to people. They do this by changing the letters in an alphabetic order.
A public key can only be decrypted by a private key.
Viruses in a computer may spread to other computers by cyber crime.