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What Does Photonic Crystal Fiber (PCF) Mean? Photonic crystal fiber (PCF) is a kind of optical fiber that uses photonic crystals to form the cladding around the core of the cable. Photonic crystal is a low-loss periodic dielectric medium constructed using a periodic array of microscopic air holes that run along the entire fiber length. Techopedia Explains Photonic Crystal Fiber (PCF) Fiber-optic cables are constructed with a core and a cladding of constant refractive index difference....

What Does Resource Allocation Mean? Resource allocation is an important feature in a heterogeneous network meant to ensure its high efficiency as well as its maintenance as a cost-benefit network. Proper resource allocation improves the performances of both the associated system and the network, and also helps in avoiding the different kinds of transient bottlenecks involved in the network. Techopedia Explains Resource Allocation In a given network, the interaction between the various controllers determines the allocation of resources....

What Does Compatible Time Sharing System (CTSS) Mean? The Compatible Time Sharing System (CTSS) was developed at the MIT Computation Center in the 1960s and 1970s. The design of the CTSS represents the beginning of the idea that operating systems can work on multiple threads or “multitask.” Techopedia Explains Compatible Time Sharing System (CTSS) The original Compatible Time Sharing System was backward-compatible with the Fortran Monitor System. It worked on an IBM 7094 mainframe computer with two 32K banks of core memory....

What Does Macintosh Operating System (Mac OS) Mean? The Macintosh Operating System (Mac OS) is an operating system (OS) designed by Apple Inc. to be installed and operated on the Apple Macintosh series of computers. Introduced in 1984, it is a graphical user interface (GUI) based OS that has since been released as multiple different versions. Initially, Mac OS was known as System Software. Techopedia Explains Macintosh Operating System (Mac OS) Mac OS is considered the pioneer of GUI based operating systems, as it was launched when MS-DOS was the industry standard....

What Does User Experience Design (UXD) Mean? User experience design (UXD or UED) is the idea of designing software products and systems to be useful to a set of end users. Techopedia Explains User Experience Design (UXD) As an example of UXD, consider how the standard user interface has evolved over the last four or five decades. Essentially, the technology has gone from large mainframe computers controlled by alphanumeric keyboards to small-screen devices that use a touchscreen interface....

What Does VMware Mean? VMware is a cloud computing and virtualization company founded in 1998 that has been instrumental in changing how hardware setups power workloads and support architectures. Techopedia Explains VMware VMware is perhaps best known for its hypervisor products. In a traditional virtualization scheme, virtual machines were run by hypervisors which operated as host machines.

The launch price of the PS5 is a factor that could bolster Sony’s position against its competition, mainly the Xbox Series X. Sony has had an enormously successful time with the PS4 which has sold well over 100 million units at this point, so the company is going to try and maintain that momentum as best it can as it transitions into the launch of the PS5 later this year. However, a price that doesn’t sit well with consumers could put a hard stop to that momentum....

Episode 8 of House of the Dragon was incredibly exciting, an intense mix of political intrigue, character development, and a bit of blood. One of the minor plot points involves Prince Aegon, son of King Viserys, and a servant girl. It resulted in Alicent given the poor girl a special tea. The question is: what tea did Alicent give Dyana in House of the Dragon? What Tea Did Alicent Give to Dyana in House of the Dragon?...

Bloodborne patch 1.05 will arrive following server maintenance next week, developer FromSoftware has confirmed. The maintenance will last for five hours on July 13, from 06:00-11:00 (GMT), after which a few changes will come into effect with the update: If a player uses the Beckoning Bell or Small Resonant Bell while using a password, it will be clearly indicated that a password is in use. If the level difference between the host and the guest when matched using a password is large, the guest’s stats will be adjusted to match the host’s....

AMD’s latest RDNA 3 series officially have release date, putting them up against the RTX 4090, the first instalment in Nvidia’s RTX 40-series. Amidst the rumours and specs flying around the internet today, this article guide you through where to buy RDNA 3. Semi-conductor and silicon shortages are expected to hamper this release, though that doesn’t mean you won’t have a good chance at grabbing an RX 7000 card. Buy Now: God of War – 20% off...

What Does Modular PC Mean? A modular PC is a computer that is designed to take full advantage of update opportunities and decrease costs by using standardized hardware components in its design. The components are interconnected, but can be separated and removed for repair and improvement. Amounts of e-waste have decreased tremendously with the introduction of modular PCs because individual components can be replaced rather than replacing the whole system....

What Does Unix Box Mean? A Unix box is a computer, typically a desktop or server, that runs any of the several flavors of Unix-like operating systems (OSs) such as Linux, Solaris or Mac OS X. The term came about in order to distinguish computers running Unix-like OSs from the more common Windows PCs when talking about them online in forums or in person. Techopedia Explains Unix Box Unix box is a term used mainly by IT professionals and administrators to refer to computers running Unix-like OSs....

What Does Anonymous Mean? Anonymous is a hacking group that initiates acts of civil disobedience without revealing user identities. Anonymous originated in 2003 in the “4chan” imageboard to symbolize the concept of an online global brain of community users. Anonymous is known for its widespread and rebellious hacking activities. Although Anonymous is not specifically linked to a single online entity, the group is firmly interconnected via several websites comprised of noteworthy imageboards like Futaba, 4chan, affiliated wikis, Encyclopedia Dramatica and a variety of forums....

What Does Bare Metal Mean? Bare metal is a computer system without a base operating system (OS) or installed applications. It is a computer’s hardware assembly, structure and components that is installed with either the firmware or basic input/output system (BIOS) software utility or no software at all. Techopedia Explains Bare Metal Bare metal is a term used in enterprise computing environments to distinguish standard and barebone computers. Typically, a computer shipped from a manufacturer is in a bare metal state and though installed software is not included, the computer contains essential hardware components, such as processors, motherboards, hard disks and network cards....

What Does Cyberpunk Mean? Cyberpunk is a science fiction genre in which the future world is portrayed as one in which society is largely controlled by computers, at the expense of daily life and social order. Literature, movies and video games of this genre point to a fear that the world may eventually be run solely by computers, including unusual scenarios where nonliving forms take on life-like actions and capabilities. Rebellion against large corporations and established organizations is a key aspect of cyberpunk....

What Does Dedicated Short Code (DSC) Mean? Dedicated short code is a common short code (CSC) that is exclusively leased by one company and reserved for that company’s consumption over the entire lease duration. Techopedia Explains Dedicated Short Code (DSC) Dedicated short code increases efficiency while facilitating brand building and memory recall. Additionally, dedicated short code eliminates the risk of being associated with bogus campaigns that share short code.

What Does Dynamic HTML (DHTML) Mean? Techopedia Explains Dynamic HTML (DHTML) In general, DHTML does not provide unique loading capability to Web pages with each user initiation, but it does provide dynamic elements, like drag-and-drop features, drop down menus and other sophisticated Web page interfaces. A basic DHTML characteristic is an object-oriented view of Web page elements and controls and Cascading Style Sheets (CSS), which are used to define Web page and website components....

What Does Fat Client Mean? A fat client is a networked computer with many locally-stored programs or resources and little dependence on network resources, such as auxiliary drives, CD-RW/DVD players or software applications. Typically, users prefer fat client computers over thin clients because fat clients allow easy customization and greater control over installed programs and system configuration. Because output is locally generated, a fat client also enables a more sophisticated graphical user interface (GUI) and reduced server load....

What Does Garbage In, Garbage Out (GIGO) Mean? Garbage in, garbage out (GIGO), in the context of information technology, is a slang expression that means regardless of how accurate a program’s logic is, the results will be incorrect if the input is invalid. Techopedia Explains Garbage In, Garbage Out (GIGO) A program gives inaccurate results due to inaccurate data provided because a computer will always attempt to process data given to it....