Understanding Web Browsers

The video tutorial explains what web browsers are, how they differ from operating systems and search engines, and their role in accessing the Internet. It details the process of requesting and displaying webpages, including the use of DNS and source code languages like HTML, CSS, and JavaScript. Additionally, it highlights browser features such as history, cache, cookies, and extensions that enhance user experience.

Which of the following is NOT a web browser?

• Firefox

• Google Search

• Safari

• Internet Explorer

What is the primary function of a web browser?

• To manage files on a device

• To search for information on the internet

• To display webpages on the World Wide Web

• To operate the computer's hardware

What role does a DNS server play in web browsing?

• It stores the webpage's source code

• It connects the browser to the webpage's server

• It translates HTML into a user-friendly format

• It blocks unwanted ads

Which language is used to define the structure of a webpage?

• JavaScript

• CSS

• HTML

• Python

What does CSS specify in a webpage?

• The server location of the webpage

• The style and layout of the content

• The structure of the content

• The logic of interactive elements

Which feature allows you to revisit a webpage quickly?

• Extensions

• History

• Cache

• Cookies

What is the purpose of cookies in web browsers?

• To block pop-ups

• To save login sessions and game progress

• To enhance webpage loading speed

• To customize browser appearance

Which feature allows you to save a webpage for easy access later?

• Bookmark

• History

• Cookies

• Cache

What can browser extensions NOT do?

• Block ads and pop-ups

• Manage passwords

• Translate webpage content

• Customize browser appearance

Which of the following is a benefit of using browser extensions?

• They increase the speed of the internet connection

• They manage the computer's operating system

• They store webpage source code

• They provide additional features like ad blocking