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What is a browser on a computer?

What is a browser on a computer?

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A browser, also known as a web browser or Internet browser, is a software programme that displays and explores content on the World Wide Web. These pieces of content, which include images, videos, and web pages, are linked together with hyperlinks and labelled with URIs (Uniform Resource Identifiers). This is an example of a web page that can be viewed through a browser.

Over the years, there have been numerous web browsers that have come and gone. Tim Berners-Lee created the first, dubbed WorldWideWeb (later changed to Nexus), in 1990. However, NCSA Mosaic was the first graphical browser and the most widely used browser, which contributed to the Internet’s popularity.

What happens when you launch a browser for the first time?

If you’re connected to the Internet when you open your Internet browser, it will load your homepage or display a start screen with your favourite pages. Once opened, you can browse the Internet by following hyperlinks or use a search engine to find what you’re looking for.

What is required for a browser to function?

A browser requires a computer, smartphone, or tablet that meets the system requirements and has an active Internet or intranet connection that can communicate with other computers. There will be an error if there is no Internet connection.

Why do I keep getting errors in my browser?

The browser may encounter a variety of errors while in use. An HTTP status code is typically returned as an error. For example, while browsing, you may encounter a 404 error, indicating that the page you’re attempting to access is no longer available. The following table contains a complete list of HTTP status error codes and their meanings.

Navigating in a Browser

Each browser includes a navigation toolbar that assists you in navigating the Internet. The navigation toolbar has undergone significant changes to streamline its appearance and functionality, as seen in the images below. However, the navigation arrows and address bar will almost certainly remain in the toolbar.

A summary of the browser bar’s buttons, menus, and functions

As we mentioned in the previous section, many Internet browser buttons and options have been relocated or eliminated over time. As a result, some of the options listed below may not be immediately visible in your browser.

Settings (menu) (menu)

Today, nearly all modern browsers place advanced options and features in the upper-right or lower-left corner of the browser window. The menu button on each browser is unique:

Internet Explorer, for example, has the IE tools button (gear icon), Chrome has the Chrome settings button (kebab menu), Firefox has the Firefox menu button (hamburger menu), and Opera has the Opera menu button icon.


The back button returns you to the previous page that referred you to the current page. This button is frequently shaped like an arrow pointing to the left.

Why does my Internet back button occasionally stop working?

Learn how to make an HTML back button.


The forward button advances you one page. It only works if you used the back button previously. If you haven’t gone back yet, the forward button in your browser will be greyed out.