IT Fundamentals For Professionals!

The acronym "WWW" stands for World Wide Web, which refers to the system of interconnected documents and resources that can be accessed via the internet. The correct answer is "World Wide Web" or "world wide web."

An access provider refers to a business that offers individuals and companies the ability to connect to the internet either for free or by charging a fee. This means that they provide the necessary infrastructure and services required for accessing the internet. Therefore, the statement "An access provider is a business that provides individuals and companies access to the internet free or for a fee" is true.

A Wi-Fi network uses radio signals to provide Internet connections to wireless computers and devices. Radio signals are electromagnetic waves that are transmitted through the air and can carry data. Wi-Fi routers emit these radio signals, which are then received by wireless devices such as laptops, smartphones, and tablets. The devices decode the signals to access the Internet and transmit data back to the router using the same radio signals. This wireless communication enables users to connect to the Internet without the need for physical cables or wires.

ARPANET is the correct answer because it was a networking project started by an agency of the U.S. Department of Defense. ARPANET was the first network to use packet switching, which is a fundamental technology used in the Internet today. It was developed in the late 1960s and played a crucial role in the development of the Internet as we know it.

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A search engine is a program that is designed to find and retrieve various types of information on the internet including web sites, web pages, images, videos, news, and more. It uses algorithms to crawl and index the vast amount of data available online, allowing users to search for specific content by entering keywords or phrases. Search engines like Google, Bing, and Yahoo are examples of popular search engines that help users find relevant information quickly and efficiently.

Google is not a web browser. It is a search engine owned by Google LLC. A web browser is a software application used to access and view websites on the internet. Mozilla Firefox, Safari, and Netscape Navigator are all examples of web browsers commonly used to browse the internet.

An IP address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. It consists of a series of numbers separated by periods, such as 192.168.0.1. On the other hand, a domain name, such as www.google.com, is the text version of an IP address. When a user types a domain name into a web browser, it is converted into the corresponding IP address to locate and connect to the desired website. Therefore, the statement that an IP address is the text version of a domain name is false.

The organization that oversees research and sets standards and guidelines for many areas of the Internet is the World Wide Web Consortium (W3C).

The correct answer is "It is a collection of electronic documents that contains text, graphics, audio and video." This statement is not true about a URL. A URL is a unique address of a web page that consists of a protocol, domain name, and the path to a specific web page. It is used to request information from a web server, but it does not refer to a collection of electronic documents that contain text, graphics, audio, and video.