An Introduction to the Web Architecture

 by Harikrishna Mekala 

A typical web application contains four tiers as depicted in the diagram below. Web browsers on the client side render documents marked up in HTML. A web server for processing and sending the data to the web browsers. An application server that computes business logic and a database server program to store and retrieve data in a database. These three types of server programs (web server, application server and database server) may run on different servers or on the same server (machine).

Here are the best Antivirus programs that you should have in your system

BY MUHAMMAD

You can never be too careful with the level of protection present inside your computer and while Windows Defender has done a fair job in shielding your machine, there is nothing quite like having an antivirus program. According to AV-TEST, which is

#BreakingNews: WhatsApp will no longer work on BlackBerry and Nokia platforms

Here's some bad news for BlackBerry users, global messaging service WhatsApp is ending support for BlackBerry devices by the end this year. The Facebook-owned company announced this in a blogpost.