What is a server and how does it work?

You save your files and other data on a computer, but servers store all the data of the websites hosted by the computer and then share all that information with it. Whenever you visit a website on your computer, it communicates with the server and fetches data from it, which is required by the user. Servers can be called the powerhouse of the online activities you perform. When you type a website and press ‘enter’, the servers start their work of bringing you the data relevant to your search. There are many companies who provide you ultra-fast, cheap and reliable hosting environments. One such company is THCServers

How do servers work?

When you write ‘HTTP’ in starting of a website, it refers to a language that is used by users to communicate with each other. Then, the domain name system translates the domain name into an IP address. Then, there is a file name which related to all files and images relevant to the website. The working of servers can be understood more clearly by the following steps:

  1. As soon as you enter a website, the web browser makes a request for that specific web page and searches for the correct IP address associated with it. 
  2. The web browser, then, sends the information to the server and requests for the URL of the site it wants to display. 
  3. This is the point where the work of the server begins. The server collects all the relevant information including advertisements, images, and then, sends the content back to the web browser.
  4. The web browser displays the page to the user. 

Like your computer uses a single hard drive to store and deliver, a server also uses a disc, which is, however, very different from that of your computer. A server has multiple hard drives working at the same time. Servers use RAID (Redundant array of inexpensive disks). They can take thousands of requests every minute.

Few types of servers and their works:

  1. Application server hosts web apps and allows users in the network to run these apps without them having to install a copy in their own computers.
  2. Fax server makes a network of one or more fax machines and eliminates the need for physical access.
  3. A sound server enables the client to play or record sound. 
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