What Does F-Stop Mean? In photography, an F-stop is the ratio of the focal length of the lens to the diameter of the aperture. The number is expressed as a fraction. F-stop is a dimensionless number and gives an important measure of the lens speed. Techopedia Explains F-Stop F-stop is commonly notated by a hooked f (f). It is measured with the help of a scale called the f-stop scale. The larger the opening of the aperture, the smaller the f-stop, and vice-versa....
What Does Internet Speed Test Mean? An internet speed test is a website or web application that measures a user’s internet connection speed. It reports on: Upload speed Download speed Bandwidth Ping Jitter Packet loss However, these features are all dependent on the speed test host. Some hosts only report on some of these parameters, but speed and bandwidth are standard. Techopedia Explains Internet Speed Test An internet speed test is the process of analyzing broadband connection parameters by sending a small file from the server and measuring the time it takes to download and then upload the file back to the server....
What Does Android Fragmentation Mean? Techopedia Explains Android Fragmentation Android device manufacturers tend to customize the Android OS to stand out in the Android marketplace. Levels of variation range from differences in device hardware, such as display resolution and size, to modified Android application programming interfaces (API). Combined with frequent Android OS upgrades, these variations have amplified the fragmentation problem for most developers. Google’s stance is that fragmentation is not a serious issue, as the term has not been clearly defined....
What Does Banner Rotator Mean? Banner rotators are a form of software that rotates the banner ads that users on a particular website see each time the page is refreshed. Banner rotators are designed to stand out on a webpage and catch the consumer’s eye. Techopedia Explains Banner Rotator Banner rotator software loads banner advertisements and rotates them while website visitors are on a website. Banner rotator software prevents banners from becoming stagnant, thus making them more noticeable to a website’s visitors....
What Does Business Event Management (BEM) Mean? Business event management (BEM) is the process of compiling and assigning multiple business events for resolution based on event context. BEM requires focused cooperation between stakeholders and IT managers throughout system design and implementation. Techopedia Explains Business Event Management (BEM) BEM stakeholder and developer interaction is essential during each process phase. For example, IT and business are distinct fields. A professional in one field expertise area may not understand other field concepts....
What Does Cloud Analytics Mean? Techopedia Explains Cloud Analytics Cloud analytics is primarily a cloud-enabled solution that allows an organization or individual to perform business analysis or intelligence procedures. These solutions and services are delivered through cloud models, such as hosted data warehouses, SaaS business intelligence (BI) and social media analytic products powered by the cloud. Cloud analytics services work like a typical data analytics service, providing similar features and capabilities....
What Does Computer Cluster Mean? A computer cluster is a single logical unit consisting of multiple computers that are linked through a LAN. The networked computers essentially act as a single, much more powerful machine. A computer cluster provides much faster processing speed, larger storage capacity, better data integrity, superior reliability and wider availability of resources. Techopedia Explains Computer Cluster Many organizations use computer clusters to maximize processing time, increase database storage and implement faster data storing & retrieving techniques....
What Does Cryptoanarchism Mean? Cryptoanarchism is an ideology that espouses the use of cryptography to maintain freedom of speech and prevent government control and regulation of the Internet. The increasing sophistication of cryptographic methods is making it possible for people to communicate over the Internet in a way that is anonymous, untraceable and tamper proof. This movement is often associated with cypherpunks, who view privacy as a good thing and wish there was more of it....
What Does Design For Manufacturing (DFM) Mean? Design for manufacturing (DFM) is a design technique for manufacturing ease of an assortment of parts that would constitute the final product after assembly. Design for manufacturing focuses on minimizing the complexities involved in manufacturing operations as well as reducing the overall part production cost. Techopedia Explains Design For Manufacturing (DFM) The principles involved in design for manufacturing are standardizing of materials and components, minimizing part counts, designing for efficient assembly, simplifying and reducing the number of manufacturing operations and creating modular assemblies....
What Does Domain Migration Mean? Domain migration is the shifting or migration of data between domains without data security loss or impairment. Data may be migrated in multiple formats, such as text, Internet and authorization/authentication files. After migration, preserving data in a usable format requires special attention. Files must be transferred in the correct format with appropriate file extensions. Administrators also should take steps required to preserve correct data ownership and assigned file permissions....
What Does Enterprise Certified Netware Engineer (ECNE) Mean? Enterprise Certified Netware Engineer (ECNE) is a certification that verifies demonstrated proficiency with the Novell Netware product and the ability to provide wide area networking for clients. The comprehensive Master Certified Novell Engineer (MCNE) qualification has largely replaced the ECNE certification. Techopedia Explains Enterprise Certified Netware Engineer (ECNE) ECNE and other certifications are based on proper use of Novell technologies. Known for pioneering server technology in the 1980s, Novell is a tech company known for acquiring rights to the Unix operating system and developing various Linux-related products....
What Does Fist To Five Mean? Fist to five is a consensus-building tool commonly used in agile software development processes. It is one of several kinds of visual gesture devices that allows for quicker communications to minimize the time spent collaborating and coming to a consensus on elements of a project. Techopedia Explains Fist To Five Although fist to five can be applied to any consensus-building situation, it is commonly used in agile software development, where consensus is important and time is valuable....
What Does Frequency Division Multiple Access (FDMA) Mean? Frequency Division Multiple Access (FDMA) is a channel access technique found in multiple-access protocols as a channelization protocol. Techopedia Explains Frequency Division Multiple Access (FDMA) FDMA is different from frequency division duplexing (FDD). While FDMA permits multiple users to simultaneously access a transmission system, FDD describes the way the radio channel is shared between the downlink and uplink.
What Does Genealogical Data Communication (GEDCOM) Mean? Genealogical Data Communication (GEDCOM) is a data structure that holds genealogical information in a specific format for genealogy software dealing with such information. A special format for genealogical information is necessary for different applications to interact (store and exchange) with each other. A GEDCOM format has “.ged” as a file extension. Techopedia Explains Genealogical Data Communication (GEDCOM) Introduced in 1984 in its raw form, GEDCOM files are simple text files with headers and special fields that can be interpreted by Personal Ancestral File (PAF) or other genealogical software....
What Does Hill Climbing Mean? Hill climbing is a mathematical optimization heuristic method used for solving computationally challenging problems that have multiple solutions. It is an iterative method belonging to the local search family which starts with a random solution and then iteratively improves that solution one element at a time until it arrives at a more or less optimized solution. Techopedia Explains Hill Climbing Hill climbing is an optimization technique that is used to find a “local optimum” solution to a computational problem....
What Does J2EE Product Provider Mean? A Java 2 Platform Enterprise Edition (J2EE) product provider is a J2EE application development and deployment role that is usually used to refer to a company that designs and develops J2EE specification features, which may include the J2EE platform and application programming interfaces (APIs). Product providers also supply product tools used to deploy and manage J2EE applications. These are usually operating system, database system or Web server vendors....
With E3 2011 coming up, it’s no surprise that companies like Microsoft are keeping tight-lipped regarding what their big announcements will be, whether new titles or new ways to enhance the experience provided by the Xbox 360. There’s really no way to know what kind of surprises Microsoft has hidden in their sleeves. Three recent trademarks may provide some insight into what gamers can expect in the coming weeks. On March 25, 2011 three trademarks were filed by Microsoft in the United States, all containing the word “Fusion....
What Does Non-Breaking Space (NBSP) Mean? A non-breaking space is a particular element in the HTML programming language that helps developers install white space in HTML text. The HTML tag for a non-breaking space is . This tag is used in HTML code to add an additional space in between words or sentences. Techopedia Explains Non-Breaking Space (NBSP) Some of the limitations of HTML have to do with how the coding language treats white space on a page....
What Does Packet Filtering Mean? Packet filtering is a firewall technique used to control network access by monitoring outgoing and incoming packets and allowing them to pass or halt based on the source and destination Internet Protocol (IP) addresses, protocols and ports. Techopedia Explains Packet Filtering During network communication, a node transmits a packet that is filtered and matched with predefined rules and policies. Once matched, a packet is either accepted or denied....
What Does Remote Direct Memory Access (RDMA) Mean? Remote direct memory access (RDMA) is a term used in IT to describe systems that allow different networked computers to send one another data without impacting the operating system of either machine. Techopedia Explains Remote Direct Memory Access (RDMA) IT pros talking about RDMA talk about zero-copy networking where data gets read directly from the main memory of the original computer and inserted into the main memory of an other networked machine....
