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Topic Review
Biography
Topic Review
Nominet UK
Nominet UK is the .uk domain name registry in the United Kingdom , which was founded by Dr Willie Black and five others on 14 May 1996 when its predecessor, the "Naming Committee" was unable to deal with the volume of registrations then being sought under the .uk domain. Nominet is a non-profit company limited by guarantee. It has members who act as shareholders, but without the right to participate in the profits of the company. Anyone can become a member, but most members are internet service providers who are also registrars. As one of the first professional ccTLD operators, Nominet became the model for many other operators worldwide. Customers wishing to register a domain do not approach Nominet directly but register the domain via a domain registrar – a business entity authorised by Nominet to register and manage .uk domains on behalf of customers. Registrars for .uk domains were formerly known as "tagholders". As of 2019, the .uk register held over 12,000,000 .uk domain names, making it the fourth largest ccTLD in the world. Nominet also deals with disputes about registrations of .uk domain names, via its Dispute Resolution Service (DRS) which is similar to the UDRP system used for generic Top Level Domain Names, but with certain innovations such as a free mediation service. Nominet, which operates the .uk domain, has launched a charitable foundation, the Nominet Trust, funded with Nominet grants.
796
23 Nov 2022
Topic Review
IBM POWER Microprocessors
IBM has a series of high performance microprocessors called POWER followed by a number designating generation, i.e. POWER1, POWER2, POWER3 and so forth up to the latest POWER9. These processors have been used by IBM in their RS/6000, AS/400, pSeries, iSeries, System p, System i and Power Systems line of servers and supercomputers. They have also been used in data storage devices by IBM and by other server manufacturers like Bull and Hitachi. The name "POWER" was originally presented as an acronym for "Performance Optimization With Enhanced RISC". The POWERn family of processors were developed in the late 1980s and are still in active development nearly 30 years later. In the beginning, they utilized the POWER instruction set architecture (ISA), but that evolved into PowerPC in later generations and then to Power Architecture, so modern POWER processors do not use the POWER ISA, they use the Power ISA.
883
23 Nov 2022
Topic Review
Secure Access Service Edge
Secure Access Service Edge (SASE) is a term coined by analyst firm Gartner, SASE simplifies wide-area networking (WAN) and security by delivering both as a cloud service directly to the source of connection (user, device, branch office, IoT device, edge computing location) rather than the enterprise data center. Security is based on identity, real-time context and enterprise security and compliance policies. An identity may be attached to anything from a person/user to a device, branch office, cloud service, application, IoT system, or an edge computing location. SASE is meant to be a simplified WAN and security solution for a mobile, global workplace that relies on cloud applications and data. The common solution of backhauling all WAN traffic over long distances to one or a few corporate data centers for security functions adds network latency when users and their cloud applications are globally dispersed, rather than on-premises. By targeting services to the edge at the connection source, SASE eliminates the latency caused by backhauling.
393
23 Nov 2022
Topic Review
Generalized Quantifier
In linguistic semantics, a generalized quantifier (GQ) is an expression that denotes a set of sets. This is the standard semantics assigned to quantified noun phrases. For example, the generalized quantifier every boy denotes the set of sets of which every boy is a member. This treatment of quantifiers has been essential in achieving a compositional semantics for sentences containing quantifiers.
255
23 Nov 2022
Topic Review
USB Dead Drop
A USB dead drop is a USB mass storage device installed in a public space. For example, a USB flash drive might be mounted in an outdoor brick wall and fixed in place with fast concrete. Members of the public are implicitly invited to find files, or leave files, on a dead drop by directly plugging their laptop into the wall-mounted USB stick in order to transfer data. (It is also possible to use smartphones and tablets for this purpose, by utilizing a USB on-the-go cable.) The dead drops can therefore be regarded as an anonymous, offline, peer-to-peer file sharing network. However, in practice USB dead drops are often used for social or artistic reasons, rather than for practical ones.
544
23 Nov 2022
Topic Review
Common Development and Distribution License
The Common Development and Distribution License (CDDL) is a free and open-source software license, produced by Sun Microsystems, based on the Mozilla Public License (MPL). Files licensed under the CDDL can be combined with files licensed under other licenses, whether open source or proprietary. In 2005 the Open Source Initiative approved the license. The Free Software Foundation (FSF) considers it a free software license, but one which is incompatible with the GNU General Public License (GPL).
712
23 Nov 2022
Topic Review
MATE
MATE (/ˈmɑːtɛ/) is a desktop environment composed of free and open-source software that runs on Linux, BSD, and illumos operating systems.
550
23 Nov 2022
Topic Review
HEAAN
HEAAN (Homomorphic Encryption for Arithmetic of Approximate Numbers) is an open source homomorphic encryption (HE) library which implements an approximate HE scheme proposed by Cheon, Kim, Kim and Song (CKKS). The first version of HEAAN was published on GitHub on 15 May 2016, and later a new version of HEAAN with a bootstrapping algorithm was released. Currently, the latest version is Version 2.1.
499
23 Nov 2022
Topic Review
Introduction to the Metric System
The metric system was developed during the French Revolution to replace the various measures previously used in France. The metre (spelled "meter" in American English) is the unit of length in the metric system and was originally based on the dimensions of the earth, as far as it could be measured at the time. The litre (or in American English "liter"), is the unit of volume and was defined as one thousandth of a cubic metre. The metric unit of mass is the kilogram and it was defined as the mass of one litre of water. The metric system was, in the words of French philosopher Marquis de Condorcet, "for all people for all time". The metric system has names to cover different ranges of the same measure. Instead of using names based on the context of the measure, the metric system mainly uses names made by adding prefixes, such as kilo- or milli-, as decimal multipliers to the base unit names. Thus, one kilogram is 1000 grams and one kilometre is 1000 metres. During the nineteenth century the metric system was adopted by both the worldwide scientific community and many countries as the system of measurement. It therefore became truly international. Until 1875 the French government owned the prototype metre and kilogram, but in that year the Convention of the metre was signed and control of the standards relating to mass and length passed on to a trio of inter-government organisations. In 1960 the metric system was extensively revised to form the International System of Units, abbreviated to "SI".
1.5K
23 Nov 2022
Topic Review
BlackBerry Enterprise Server
BlackBerry Enterprise Server designates the middleware software package that is part of the BlackBerry wireless platform supplied by BlackBerry Limited. The software and service connects to messaging and collaboration software (MDaemon Messaging Server, Microsoft Exchange, Lotus Domino, Novell GroupWise) on enterprise networks and redirects emails and synchronizes contacts and calendaring information between servers, desktop workstations, and mobile devices. Some third-party connectors exist, including Scalix, Zarafa, Zimbra, and the Google Apps BES Connector, although these are not supported by BlackBerry Limited. As of June 2018, BlackBerry Enterprise Server has been renamed to BlackBerry Unified Endpoint Manager (UEM).
626
23 Nov 2022
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