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ORCATS
ORCATS (Operational Research Computerised Allocation of Tickets to Services) is a large centralised legacy computer system used on passenger railways in Great Britain. It is used for real time reservation and revenue sharing on interavailable tickets between train operating companies (TOCs). The system is used to divide ticket revenue when a ticket or journey involves trains operated by multiple TOCs. The system was owned by British Rail, and is now managed by the Rail Delivery Group. History Before nationalisation, a similar function was carried out by the Railway Clearing House The Railway Clearing House (RCH) was an organisation set up to manage the allocation of revenue collected by pre-grouping railway companies for the conveyance of passengers and goods over the lines (or using the rolling stock) of other compani .... References Centralized computing Information technology organisations based in the United Kingdom Legacy systems Passenger rail transport i ...
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Rail Delivery Group
The Rail Delivery Group (RDG), previously the Association of Train Operating Companies, is the British rail industry membership body that brings together passenger and freight rail companies, Network Rail and High Speed 2. History From 24 October 2017, RDG replaced: * The Association of Train Operating Companies (ATOC), comprising the passenger train operating companies. ATOC was set up by the train operators to ensure nationwide services – such as ticket acceptance and railcards – continued after the privatisation of the railways under the Railways Act 1993. ATOC also lobbied on the operators' behalf. * The former Rail Delivery Group, formed in 2011 to formulate policy and undertake communications on behalf of the entire rail industry. At first the group's members were the major passenger and freight train operator groups, together with Network Rail; membership was widened to all passenger and freight operators in 2013. The new RDG is owned by its members, which are: * ...
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Legacy System
In computing, a legacy system is an old method, technology, computer system, or application program, "of, relating to, or being a previous or outdated computer system", yet still in use. Often referencing a system as "legacy" means that it paved the way for the standards that would follow it. This can also imply that the system is out of date or in need of replacement. Legacy code is old computer source code that is no longer supported on the standard hardware and environments, and is a codebase that is in some respect obsolete or supporting something obsolete. Legacy code may be written in programming languages, use frameworks and external libraries, or use architecture and patterns that are no longer considered modern, increasing the mental burden and ramp-up time for software engineers who work on the codebase. Legacy code may have zero or insufficient automated tests, making refactoring dangerous and likely to introduce bugs. Long-lived code is susceptible to software r ...
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Computer System
A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations ( computation) automatically. Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks. A computer system is a nominally complete computer that includes the hardware, operating system (main software), and peripheral equipment needed and used for full operation. This term may also refer to a group of computers that are linked and function together, such as a computer network or computer cluster. A broad range of industrial and consumer products use computers as control systems. Simple special-purpose devices like microwave ovens and remote controls are included, as are factory devices like industrial robots and computer-aided design, as well as general-purpose devices like personal computers and mobile devices like smartphones. Computers power the Internet, whi ...
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Rail Transport In Great Britain
The railway system in Great Britain is the oldest railway system in the world. The first locomotive-hauled public railway opened in 1825, which was followed by an era of rapid expansion. Most of the track is managed by Network Rail, which in 2017 had a network of of standard-gauge lines, of which were electrified. These lines range from single to quadruple track or more. In addition, some cities have separate metro, light rail and tram systems (including the extensive and historic London Underground). There are also many private railways (some of them narrow-gauge), which are primarily short lines for tourists. The main rail network is connected with that of continental Europe by the Channel Tunnel and High Speed 1 (originally the Channel Tunnel Rail Link), which fully opened in 1994 and 2007 respectively. In 2019, there were 1.738 billion journeys on the National Rail network, making the British network the fifth most used in the world (Great Britain ranks 23rd ...
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List Of Companies Operating Trains In The United Kingdom
There are many companies operating trains in the United Kingdom, including the operators of franchised passenger services, officially referred to as train operating companies (TOCs), as distinct from freight operating companies. Passenger operators in Great Britain There are also a number of light rail systems. Defunct operating companies Operating companies have ceased to exist for various reasons, including withdrawal of the franchise, the term of the franchise has expired, bankruptcy or merger. Passenger operators in Northern Ireland In Northern Ireland, passenger trains are NI/Ireland government-owned by Translink or the National Transport Authority. The following brands are used: * Northern Ireland Railways *Iarnród Éireann, who operates the Enterprise service from Dublin Connolly to Belfast Lanyon Place on the Belfast-Dublin line with Northern Ireland Railways and also 2 Northern Commuter services a day to/from Newry. UK Railtour operators *Com ...
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British Rail
British Railways (BR), which from 1965 traded as British Rail, was a state-owned company that operated most of the overground rail transport in Great Britain from 1948 to 1997. It was formed from the nationalisation of the Big Four (British railway companies), Big Four British railway companies, and was privatisation of British Rail, privatised in stages between 1994 and 1997. Originally a trading brand of the Railway Executive of the British Transport Commission, it became an independent statutory corporation in January 1963, when it was formally renamed the British Railways Board. The period of nationalisation saw sweeping changes in the railway. A process of dieselisation and Railway electrification in Great Britain, electrification took place, and by 1968 steam locomotives had been entirely replaced by diesel and electric traction, except for the Vale of Rheidol Railway (a narrow-gauge railway, narrow-gauge tourist line). Passenger train, Passengers replaced freight train, ...
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Railway Clearing House
The Railway Clearing House (RCH) was an organisation set up to manage the allocation of revenue collected by pre-grouping railway companies for the conveyance of passengers and goods over the lines (or using the rolling stock) of other companies. It went on to become the major regulatory body overseeing the day-to-day running of railways in Great Britain and setting common standards for railway companies, which ensured their safety and interoperability. The RCH also produced fare structures governing many aspects of rail transport at a national level and set limits on price increases for passenger travel. Rationale When passengers travelled between two stations on the same railway, using trains provided by the same company, that company was entitled to the whole of the fare. Similarly, when goods were consigned between two stations on the same railway, using wagons provided by the same company, that company was entitled to the whole of the fee. However, when coaches or wagons o ...
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Centralized Computing
Centralized computing is computing done at a central location, using terminals that are attached to a central computer. The computer itself may control all the peripherals directly (if they are physically connected to the central computer), or they may be attached via a terminal server. Alternatively, if the terminals have the capability, they may be able to connect to the central computer over the network. The terminals may be text terminals or thin clients, for example. It offers greater security over decentralized systems because all of the processing is controlled in a central location. In addition, if one terminal breaks down, the user can simply go to another terminal and log in again, and all of their files will still be accessible. Depending on the system, they may even be able to resume their session from the point they were at before, as if nothing had happened. This type of arrangement does have some disadvantages. The central computer performs the computing functio ...
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Information Technology Organisations Based In The United Kingdom
Information is an abstract concept that refers to that which has the power to inform. At the most fundamental level information pertains to the interpretation of that which may be sensed. Any natural process that is not completely random, and any observable pattern in any medium can be said to convey some amount of information. Whereas digital signals and other data use discrete signs to convey information, other phenomena and artifacts such as analog signals, poems, pictures, music or other sounds, and currents convey information in a more continuous form. Information is not knowledge itself, but the meaning that may be derived from a representation through interpretation. Information is often processed iteratively: Data available at one step are processed into information to be interpreted and processed at the next step. For example, in written text each symbol or letter conveys information relevant to the word it is part of, each word conveys information releva ...
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Legacy Systems
In computing, a legacy system is an old method, technology, computer system, or application program, "of, relating to, or being a previous or outdated computer system", yet still in use. Often referencing a system as "legacy" means that it paved the way for the standards that would follow it. This can also imply that the system is out of date or in need of replacement. Legacy code is old computer source code that is no longer supported on the standard hardware and environments, and is a codebase that is in some respect obsolete or supporting something obsolete. Legacy code may be written in programming languages, use frameworks and external libraries, or use architecture and patterns that are no longer considered modern, increasing the mental burden and ramp-up time for software engineers who work on the codebase. Legacy code may have zero or insufficient automated tests, making refactoring dangerous and likely to introduce bugs. Long-lived code is susceptible to software rot ...
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Passenger Rail Transport In The United Kingdom
A passenger (also abbreviated as pax) is a person who travels in a vehicle, but does not bear any responsibility for the tasks required for that vehicle to arrive at its destination or otherwise operate the vehicle, and is not a steward. The vehicles may be bicycles, buses, passenger trains, airliners, ships, ferryboats, and other methods of transportation. Crew members (if any), as well as the driver or pilot of the vehicle, are usually not considered to be passengers. For example, a flight attendant on an airline would not be considered a passenger while on duty and the same with those working in the galley (kitchen), kitchen or restaurant on board a ship as well as cleaning staff, but an employee riding in a company car being driven by another person would be considered a passenger, even if the car was being driven on company business. Railways In railway parlance, passenger, as well as being the end user of a service, is also a categorisation of the type of rolling sto ...
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