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What Does Time Division Duplex (TDD) Mean? Time division duplex (TDD) refers to duplex communication links where uplink is separated from downlink by the allocation of different time slots in the same frequency band. It is a transmission scheme that allows asymmetric flow for uplink and downlink data transmission. Users are allocated time slots for uplink and downlink transmission. Time division multiplexing separates uplink and downlink signals by matching full duplex communication over a half-duplex communication link....

What Does Universal Terrestrial Radio Access (UTRA) Mean? Universal Terrestrial Radio Access (UTRA) is a standard for 3G mobile communications services devised by the 3rd Generation Partnershop Project (3GPP). UTRA access is based on direct-spread wideband code, which involves division multiple access and hybrid time-division access methods designed for 3G frequency efficiency, mobility and quality of service requirements. UTRA identifies the radio modes of access for universal mobile telecommunications system networks....

What Does V.92 Mean? V.92 is an ITU Telecommunication Standardization Sector standard for modems that is an enhancements to recommendation V.90. V.92 emerged in 1999 and allows 56 Kbps downloads and 48 Kbps uploads. It also uses the V.44 compression method for adaptive data compression. V.92 was the last dial-up standard. Techopedia Explains V.92 V.92 allowed pulse-code modulation (PCM) for both upstream and downstream connections; V.90 only allowed this for downstream connections....

What Does Virtualization Security Mean? Virtualization security is the collective measures, procedures and processes that ensure the protection of a virtualization infrastructure / environment. It addresses the security issues faced by the components of a virtualization environment and methods through which it can be mitigated or prevented. Techopedia Explains Virtualization Security Virtualization security is a broad concept that includes a number of different methods to evaluate, implement, monitor and manage security within a virtualization infrastructure / environment....

What Was Wrong With the Cow in The Rings of Power The Rings of Power’s first episode follows a number of different characters across Middle Earth, including Avondir, the Elven soldier stationed in the Southern lands. There he keeps a watchful eye over the goings on in the area, staying vigilant for orcs and any remnants of Morgoth’s evil rule many years earlier. It’s a quiet watch, for the most part — so much so that locals are beginning to tire of his constant questioning and investigations, which they consider unnecessary....

Gothita is a tiny but cute Pokemon that is part of the recently released Pokemon Scarlet and Violet. This adorable Pokemon has a long chain of three evolutions which include such as Gothorita and Gothitelle. Being a part of this evolution journey is indeed very exciting but you need to get your hands on Gothita first as they aren’t very easy to find. Here is how to find Gothita in Pokemon Scarlet and Violet....

Seeing as there have been four Robins throughout all of Batman canon, someone not super up on the Gotham Knights story might be a little confused about where it is supposed to take place in said canon. As you are no doubt aware, we have been hitting Gotham Knights pretty hard with guides and are very equipped to tell you everything we know. This is the answer you’re looking for about which Robin is in Gotham Knights....

Netflix’s new series features many scenes that discuss a group called “The Endless.” But, who exactly are these characters in The Sandman? The only way to answer this question is by looking at the series’ comics and episodes that include these mighty beings. Who Are The Endless in The Sandman? Answered Based on the DC comics series and The Sandman, The Endless are personified siblings born from the cosmic entities Night and Time, who each rule over their own realm....

Pokemon Scarlet and Violet might be following some traditions of the series, but it is also treading new ground in many ways. One of the most exciting things about the game is that there are two Professors, not just one. Where things get really interesting is that depending on which game you choose to play, that will impact which Professor you end up dealing with. Who Are the New Professors in Pokemon Scarlet and Violet?...

What Does Physical Drive Mean? A physical drive is a term for the hard disk drive unit or hardware within a computer, laptop or server. It is the primary storage hardware/component within a computing device, and it’s used to store, retrieve and organize data. Hard disk drives and tape drives are common examples of a physical drive. Techopedia Explains Physical Drive A physical drive is primarily attached or installed in the chassis of a computer/laptop and is directly connected to the motherboard through any of the disk communication interfaces, buses or ports....

What Does Printed Circuit Board (PCB) Mean? A printed circuit board (PCB) is an electronic circuit used in devices to provide mechanical support and a pathway to its electronic components. It is made by combining different sheets of non-conductive material, such as fiberglass or plastic, that easily holds copper circuitry. Techopedia Explains Printed Circuit Board (PCB) A PCB works on the copper films/assembly/circuit that are placed inside of it to provide a pathway for the flow of current....

What Does Sinclair ZX81 Mean? The Sinclair ZX81 is a personal computer developed in Britain and released in 1981 that is known for introducing the personal computer into the mainstream. Much of its popularity is attributed to its affordability, as its predecessor (the ZX80) was much more expensive. The ZX81 also became known for having many problems, however, such as a tendency to crash frequently. Techopedia Explains Sinclair ZX81 In the early 1980s, personal computers were just starting to make their way into the home....

What Does System Administrator (SA) Mean? A system administrator (SA) is responsible for managing, overseeing and maintaining a multiuser computing environment, such as a local area network (LAN). SA responsibilities vary, depending on an organization’s requirements. SAs should possess strong technical knowledge and skills, as well as expertise in personnel management. Techopedia Explains System Administrator (SA) SA responsibilities include:

What Does System Integrator (SI) Mean? A system Integrator is an individual or an organization that implements enterprise-wide IT applications within an organization. Techopedia Explains System Integrator (SI) System integrators are a key resources to identify, analyze, design and deploy complex IT solutions. Part of their role is also to ensure that the integrated system addresses the issues it is designed for. System integrators map key functional and non-functional requirements with the optimal IT solution stack or only for a specific offering....

What Does Waveguide Mean? A waveguide is a structure that is used to guide electromagnetic waves such as radio waves and microwaves. It serves to channel radio waves in a specific dimension and in a specific shape, allowing them to travel longer distances from the source toward the antenna and to travel only in a predetermined area in order to avoid interference and collision with other waves. Waveguides often come in the form of hollow conductive metal tubes or pipes that vary in size and shape depending on the wave being propagated....

What Does Web File Transfer Mean? Web file transfer refers to a variety of services that allow users to share files over the web for other people to download. These services are often available for free, though users who want to share very large files may have to pay a fee to do so or for faster file transfers. Techopedia Explains Web File Transfer A number of services offer the ability to transfer files over the web....

What Does Email Thread Mean? An email thread is an email message that includes a running list of all the succeeding replies starting with the original email. The replies are arranged visually near the original message, usually in chronological order from the first reply to the most recent. This order is useful for the readers following the conversation because it is arranged in some hierarchical structure and may be arranged from top to bottom or vice versa depending on the email client or email provider used....

What Does Bring Your Own Technology (BYOT) Mean? Bring your own technology (BYOT) is a developing phenomenon in enterprise IT in which a company’s executives and employees choose, and often buy, their own computer devices. BYOT mostly applies to mobile devices such as smartphones and tablet computers. BYOT is often referred to as the “consumerization of IT” because it represents the public’s increasing integration with their mobile devices and their expectation of having personalized devices, rather than equipment that’s chosen by their employers....

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Ginny & Georgia has made it to Netflix’s top 10 with its two seasons, so it makes sense that you’re considering watching it. However, if you think this is a wholesome mother-daughter show like Gilmore Girls, don’t fool yourself. Find out here what Ginny & Georgia is actually about. What You Need to Know About Ginny & Georgia Before Watching It Ginny & Georgia is a dramedy that follows Georgia (Brianne Howey), a free-spirited single mom who moves with her two kids, Ginny (Antonia Gentry) and Austin (Diesel La Torraca), to the fictional New England town of Wellsbury after her husband dies in a car accident so she can provide her kids with a better life....