Its boundaries expand constantly thanks to people's enormous creativity and desire to build communities and share information. The most popular browsers are Netscape and Internet Explorer. A webmaster can create one website that is viewable on all systems and with all browsers. An operating system or OS, is a program that acts as a computer's most important organizational tool. The operating system performs many of your machine's basic functions including, converting your keyboard tapping into the letters and numbers that appear on your monitor.
Most new computers come with a browser already installed.
Not surprisingly, computers also come with the Microsoft Windows operating system. The Microsoft antitrust lawsuit centers around how Microsoft incorporated its browser, Internet Explorer, into its operating system. You can also go to your local computer store and buy a disk that contains a browser and install it on your computer. Netscape was the first breakthrough browser, and some users have an allegiance to it. Microsoft's Internet Explorer comes preloaded on many systems, so many people stay with that one.