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What Does Radio Frequency Field (RF Field) Mean? A radio frequency field (RF field) is an alternating current which, when put through an antenna, generates an electromagnetic field for wireless broadcasting or communication by sending a current through an antenna. RF fields are produced by various sources such as mobile radio communication transmissions, radio and television broadcasting, radar, and cell phones. Also known as a radio wave. Techopedia Explains Radio Frequency Field (RF Field)

What Does Alt-Tab Mean? Alt-Tab refers to a keyboard shortcut in Microsoft Windows that allows users to quickly call up another Window. Alt-Tab increases the speed at which a user can switch between windows. This short cut has also proved useful in hiding websites or programs when users surf the Internet at work. Techopedia Explains Alt-Tab Like other commonly used shortcuts, such as Control-Alt-Delete and Control-C, Alt-Tab has taken on a pop culture meaning as a quick way to close non-work screens employees may be viewing at the office....

What Does Environment Variable Mean? Environment variables are values that impact the processes and behavior of running computer systems and OS environments. Running programs may access environment variable values for configuration purposes. Techopedia Explains Environment Variable For example, a specifically named environment variable may identify the computer OS location used for temporary file storage. The Microsoft Windows environment variable for temporary file storage is %TEMP% or %TMP%.Unix systems have specific and proprietary environment variables....

What Does Application Service Virtualization Mean? Application service virtualization is a process in which a software application is deployed, accessed and managed from a remote server. It enables virtual delivery of an application over the Internet while providing the same functionality and services of a natively installed application. Application service virtualization is also known as application virtualization. Techopedia Explains Application Service Virtualization Application service virtualization enables cloud Software as a Service (SaaS) by incorporating tools and technologies that allow access to an application via the Internet without any up front installation by the end user or client PC....

What Does Back Orifice (BO) Mean? Back Orifice (BO) is a remote administration system that allows a user to take full control of a computer remotely running the Microsoft Windows operating system (OS) across a TCP/IP connection, either through a simple console or graphical user interface (GUI). Techopedia Explains Back Orifice (BO) BO was developed by American hacker Josh Buchbinder, also known as Sir Dystic, to expose the security capabilities of Windows 98....

What Does Brick and Mortar (B&M) Mean? Techopedia Explains Brick and Mortar (B&M) Brick-and-mortar stores are still a large part of the retail world. Although some types of brick-and-mortar stores, such as bookstores, have felt the squeeze of online competition, there are still many others that have seen little to no effect from the Web. So far, shopping online has been unable to live up to the sensation of holding the clothing in our hands or sitting on different couches in a showroom....

What Does Broadband Code Division Multiple Access (B-CDMA) Mean? Broadband code division multiple access (B-CDMA) is a CDMA-based cellphone technology that uses broadband transmission. It is an improvement over the first-generation CDMA, which uses narrowband transmission. This kind of technology allows for better deployment of transmitter signals. Techopedia Explains Broadband Code Division Multiple Access (B-CDMA) In general, CDMA is a channel access method that helps various terminals transmit over the same infrastructure....

What Does Dark Social Mean? Techopedia Explains Dark Social In analyzing traffic to The Atlantic, a Web analytics firm dug into traffic that came without a referrer and split into two types: Those who came to the homepage or a topics page (such as http://www.theatlantic.com/politics), and those who landed on a specific article page. Then, they made the assumption that the latter must come from some sort of referral, because it’s unlikely that readers were typing long, complicated URLs into their browser bars....

What Does Digital Transformation Mean? Digital transformation (DX) is the use of digital technology and data analytics to make data-driven decisions, improve operational efficiency, streamline work and gain (or retain) a competitive edge in business. Techopedia Explains Digital Transformation The term digital transformation refers to how a company is transforming its core business processes using digital technology in order to gain competitive advantage and gain differentiation in its market segment.

What Does Digital Versatile Disc-Read Only Memory (DVD-ROM) Mean? Digital versatile disc-read only memory (DVD-ROM) is a read-only digital versatile disc (DVD) commonly used for storing large software applications. It is similar to a compact disk-read only memory (CD-ROM) but has a larger capacity. A DVD-ROM stores around 4.38 GB of data. A CD-ROM usually stores 650 MB of data. A DVD-ROM permanently stores data files which cannot be changed, written over or erased....

As soon as you start playing God of War Ragnarok, you might notice that there’s a lot of snow on the ground and that it is coming down pretty hard. Kratos and Atreus mention this and refer to the event known as Fimbulwinter. Here is everything you need to know about Fimbulwinter, why it is snowing, and more in God of War Ragnarok. Please do not read any further if you do not want spoilers for God of War Ragnarok....

What Does Google Health Mean? Google Health is a consumer-based online product offered to individuals who want to organize, store and track their health care needs, issues and information. The service is offered free of charge, courtesy of Google, as part of an individualized health management account. Users enjoy the individualized health and wellness tracking as the primary feature of Google Health. Google Health was implemented in 2008. In 2011, Google announced that it would withdraw the service in 2012....

What Does Hosting Mean? Hosting, in its most generic sense, is a service through which storage and computing resources are providing to an individual or organization for the accommodation and maintenance of one or more websites and related services. While hosting doesn’t need to be IP-based, the vast majority of instances are web-based services that allow a website or web service to be globally accessible from the Internet. Hosting is also known as Web hosting or website hosting....

What Does Li-Fi Mean? Li-fi is an innovative idea in IT, one that aims at eventually replacing radio frequency wireless signals with those that come from light sources. This type of technology is still being developed, and may have the potential to introduce vastly improved wireless services. Techopedia Explains Li-Fi New reports from the BBC show that Chinese researchers are developing a microchip light bulb that could enable up to 150 Mb per second of data transfer....

What Does Microelectronics Mean? Microelectronics is a subdivision of the field of electronics that deals with very small and microscopic elements to manufacture electronic components. Microelectronics has been rapidly evolving as the most in-demand field of electronics because of the ever-increasing demand for inexpensive and lightweight equipment. Techopedia Explains Microelectronics Microelectronics is a field in electronics that utilizes tiny, or micro, components to manufacture electronics. As demand for small and less expensive devices grows, the field continues to expand....

What Does Point-to-Point Encryption (P2PE) Mean? Point-to-point encryption (P2PE) is a process of securely encrypting a signal or transacted data through a designated “tunnel.” This is most often applied to credit card information encrypted from the merchant point-of-sale (POS) entry to the final credit card processing point, often maintained by a third party. The principle of P2PE can protect sensitive data in many different ways. Techopedia Explains Point-to-Point Encryption (P2PE) In general, P2PE has to be durable enough to actually protect data....

What Does Reputation-Based Security Mean? Reputation-based security is a security mechanism that classifies a file as safe or unsafe based on its inherently garnered reputation. This makes it possible to identify and predict file safety, based on its overall use and reputation over a wide community of users. It was first conceived as part of the Norton Internet Security 2010 software suite. Techopedia Explains Reputation-Based Security Reputation-based security is primarily used within anti-virus, anti-malware or information security (IS) software....

What Does Server Architecture Mean? Server architecture is the foundational layout or model of a server, based on which a server is created and/or deployed. It defines how a server is designed, different components the server is created from, and the services that it provides. Techopedia Explains Server Architecture Server architecture primarily helps in designing and evaluating the server and its associated operations as well as services in whole before it is actually deployed....

What Does Server Monitoring Mean? Server monitoring is the process of reviewing and analyzing a server for availability, operations, performance, security and other operations-related processes. It is performed by server administrators to ensure that the server is performing as expected and to mitigate problems as they become apparent. Techopedia Explains Server Monitoring Server monitoring can be performed using manual techniques and automated server monitoring software. Depending on the type of server, server monitoring can have different objectives....

What Does Sock Puppet Marketing Mean? Sock puppet marketing is the practice of using a manufactured or false identity to create a buzz or to otherwise promote a company or its products and services. This kind of practice might relate to the use of Web domains and websites, social media platforms, or other venues for online communication. Techopedia Explains Sock Puppet Marketing In its most basic sense, sock puppet marketing involves communications that are not clear and transparent....