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processing ferranti mark i computer logic board electronic data processing or business information processing can refer to the use of automated methods to process commercial data typically this uses relatively simple repetitive activities to process large volumes of similar information for example stock updates applied to an inventory banking transactions applied to account and customer master files booking and ticketing transactions to an airline s reservation system and billing for utility services the modifier electronic or automatic was used with data processing dp especially c 1960 to distinguish human clerical data processing from that done by computer 31 32 storage edit punched tapes were used in early computers to store and represent data main article data storage early electronic computers such as colossus made use of punched tape a long strip of paper on which data was represented by a series of holes a technology now obsolete 33 electronic data storage which is used in modern computers dates from world war ii when a form of delay line memory was developed to remove the clutter from radar signals the first practical application of which was the mercury delay line 34 the first random access digital storage device was the williams tube which was based on a standard cathode ray tube 35 however the information stored in it and the delay line memory was volatile in the fact that it had to be continuously refreshed and thus was lost once power was removed the earliest form of non volatile computer storage was the magnetic drum invented in 1932 36 and used in the ferranti mark 1 the world s first commercially available general purpose electronic computer 37 ibm card storage warehouse located in alexandria virginia in 1959 this is where the united states government kept storage of punched cards ibm introduced the first hard disk drive in 1956 as a component of their 305 ramac computer system 38 6 most digital data today is still stored magnetically on hard disks or optically on media such as cd roms 39 4 5 until 2002 most information was stored on analog devices but that year digital storage capacity exceeded analog for the first time as of 2007 update almost 94 of the data stored worldwide was held digitally 40 52 on hard disks 28 on optical devices and 11 on digital magnetic tape it has been estimated that the worldwide capacity to store information on electronic devices grew from less than 3 exabytes in 1986 to 295 exabytes in 2007 41 doubling roughly every 3 years 42 databases edit main article database database management systems dms emerged in the 1960s to address the problem of storing and retrieving large amounts of data accurately and quickly an early such system was ibm s information management system ims 43 which is still widely deployed more than 50 years later 44 ims stores data hierarchically 43 but in the 1970s ted codd proposed an alternative relational storage model based on set theory and predicate logic and the familiar concepts of tables rows and columns in 1981 the first commercially available relational database management system rdbms was released by oracle 45 all dms consist of components they allow the data they store to be accessed simultaneously by many users while maintaining its integrity 46 all databases have one common point in that the structure of the data they contain is defined and stored separately from the data itself in a database schema 43 in the late 2000s decade the extensible markup language xml became a popular format for data representation although xml data can be stored in normal file systems it is commonly held in relational databases to take advantage of their robust implementation verified by years of both theoretical and practical effort 47 as an evolution of the standard generalized markup language sgml xml s text based structure offers the advantage of being both machine and human readable 48 transmission edit radio towers at pine hill lookout data transmission has three aspects transmission propagation and reception 49 it can be broadly categorized as broadcasting in which information is transmitted unidirectionally downstream or telecommunications with bidirectional upstream and downstream channels 41 xml has been increasingly employed as a means of data interchange since the early 2000s 50 particularly for machine oriented interactions such as those involved in web oriented protocols such as soap 48 describing data in transit rather than data at rest 50 manipulation edit hilbert and lopez identify the exponential pace of technological change a kind of moore s law machines application specific capacity to compute information per capita roughly doubled every 14 months between 1986 and 2007 the per capita capacity of the world s general purpose computers doubled every 18 months during the same two decades the global telecommunication capacity per capita doubled every 34 months the world s storage capacity per capita required roughly 40 months to double every 3 years and per capita broadcast information has doubled every 12 3 years 41 massive amounts of data are stored worldwide every day but unless it can be analyzed and presented effectively it essentially resides in what have been called data tombs data archives that are seldom visited 51 to address that issue the field of data mining the process of discovering interesting patterns and knowledge from large amounts of data 52 emerged in the late 1980s 53 services edit email edit a woman sending an email at an internet cafe s public computer the technology and services it provides for sending and receiving electronic messages called letters or electronic letters over a distributed including global computer network in terms of the composition of elements and the principle of operation electronic mail practically repeats the system of regular paper mail borrowing both terms mail letter envelope attachment box delivery and others and characteristic features ease of use message transmission delays sufficient reliability and at the same time no guarantee of delivery the advantages of e mail are easily perceived and remembered by a person addresses of the form user_name domain_name for example somebody example com the ability to transfer both plain text and formatted as well as arbitrary files independence of servers in the general case they address each other directly sufficiently high reliability of message delivery ease of use by humans and programs the disadvantages of e mail include the presence of such phenomena as spam massive advertising and viral mailings the theoretical impossibility of guaranteeing the delivery of a particular letter possible delays in message delivery up to several days and limits on the size of a single message and on the total size of messages in a mailbox which vary for individual users search system edit a search system is a software and hardware complex with a web interface that provides the ability to look for information on the internet a search engine usually means a site that hosts the interface front end of the system the software part of a search engine is a search engine search engine a set of programs that provides the functionality of a search engine and is usually a trade secret of the search engine developer company most search engines look for information on world wide web sites but some systems can look for files on ftp servers items in online stores and information on usenet newsgroups improving search is one of the priorities of the modern internet see the deep web article about the main problems in the work of search engines commercial effects edit companies in the information technology field are often discussed as a group as the tech sector or the tech industry 54 55 56 these titles can be misleading at times and should not be mistaken for tech companies which are generally large scale for profit corporations that sell consumer technology and software from a business perspective information technology departments are a cost center the majority of the time a cost center is a department or staff that incurs expenses or costs within a company rather than generating profits or revenue streams modern businesses rely heavily on technology for their day to day operations so the expenses delegated to cover technology that facilitates business in a more efficient manner are usually seen as just the cost of doing business it departments are allocated funds by senior leadership and must attempt to achieve the desired deliverables while staying within that budget government and the private sector might have different funding mechanisms but the principles are more or less the same this is an often overlooked reason for the rapid interest in automation and artificial intelligence but the constant pressure to do more with less is opening the door for automation to take control of at least some minor operations in large companies many companies now have it departments for managing the computers networks and other technical areas of their businesses companies have also sought to integrate it with business outcomes and decision making through a bizops or business operations department 57 in a business context the information technology association of america has defined information technology as the study design development application implementation support or management of computer based information systems 58 page needed the responsibilities of those working in the field include network administration software development and installation and the planning and management of an organization s technology life cycle by which hardware and software are maintained upgraded and replaced information services edit information services is a term somewhat loosely applied to a variety of it related services offered by commercial companies 59 60 61 as well as data brokers u s employment distribution of computer systems design and related services 2011 62 u s employment in the computer systems and design related services industry in thousands 1990 2011 62 u s occupational growth and wages in computer systems design and related services 2010 2020 62 u s projected percent change in employment in selected occupations in computer systems design and related services 2010 2020 62 u s projected average annual percent change in output and employment in selected industries 2010 2020 62 ethics edit main article information ethics the field of information ethics was established by mathematician norbert wiener in the 1940s 63 9 some of the ethical issues associated with the use of information technology include 64 20 21 breaches of copyright by those downloading files stored without the permission of the copyright holders employers monitoring their employees emails and other internet usage unsolicited emails hackers accessing online databases websites installing cookies or spyware to monitor a user s online activities which may be used by data brokers it projects edit research suggests that it projects in business and public administration can easily become significant in scale research conducted by mckinsey in collaboration with the university of oxford suggested that half of all large scale it projects those with initial cost estimates of 15 million or more often failed to maintain costs within their initial budgets or to complete on time 65 see also edit information and communications technology ict it infrastructure outline of information technology knowledge society automation artificial intelligence chatbot robotics information age fourth industrial revolution information society references edit citations edit information technology oxford reference oxford reference oxford university press wang fanlin lv jianing zhao xiaoyang 2022 how do information strategy and information technology governance influence firm performance frontiers in psychology 13 1023697 doi 10 3389 fpsyg 2022 1023697 pmc 9792777 pmid 36582310 what can you do with an information technology degree american public university retrieved 12 april 2026 forbes technology council 16 key steps to successful it project management published 10 september 2020 accessed 23 june 2023 li chan peters gary f richardson vernon j watson marcia weidenmier 2012 the consequences of information technology control weaknesses on management information systems the case of sarbanes oxley internal control reports mis quarterly 36 1 hindarto djarot 30 august 2023 the management of projects is improved through enterprise architecture on project management application systems international journal software engineering and computer science 3 2 151 161 doi 10 35870 ijsecs v3i2 1512 issn 2776 3242 ilham eliyana agustina 2021 a systematic literature review information technology capital and performance library philosophy and practice 1 2 butler jeremy g a history of information technology and systems university of arizona archived from the original on 5 august 2012 retrieved 2 august 2012 1 2 leavitt harold j whisler thomas l 1958 management in the 1980s harvard business review 11 slotten hugh richard 1 january 2014 the oxford encyclopedia of the history of american science medicine and technology oxford university press doi 10 1093 acref 9780199766666 001 0001 isbn 978 0 19 976666 6 henderson h 2017 computer science in h henderson facts on file science library encyclopedia of computer science and technology 3rd ed online new york facts on file schmandt besserat denise 1981 decipherment of the earliest tablets science 211 4479 283 285 bibcode 1981sci 211 283s doi 10 1126 science 211 4479 283 issn 0036 8075 pmid 17748027 wright 2012 p 279 chaudhuri 2004 p 3 lavington 1980 p 11 enticknap nicholas summer 1998 computing s golden jubilee resurrection 20 issn 0958 7403 archived from the original on 9 january 2012 retrieved 19 april 2008 cooke yarborough e h june 1998 some early transistor applications in the uk engineering science education journal 7 3 100 106 doi 10 1049 esej 19980301 inactive 29 april 2026 issn 0963 7346 citation cs1 maint doi inactive as of april 2026 link us2802760a lincoln derick frosch carl j oxidation of semiconductive surfaces for controlled diffusion issued 13 august 1957 frosch c j derick l 1957 surface protection and selective masking during diffusion in silicon journal of the electrochemical society 104 9 547 doi 10 1149 1 2428650 kahng d 1961 silicon silicon dioxide surface device technical memorandum of bell laboratories 583 596 doi 10 1142 9789814503464_0076 isbn 978 981 02 0209 5 cite journal isbn date incompatibility help cs1 maint periodical has isbn link lojek bo 2007 history of semiconductor engineering berlin heidelberg springer verlag berlin heidelberg p 321 isbn 978 3 540 34258 8 ligenza j r spitzer w g 1960 the mechanisms for silicon oxidation in steam and oxygen journal of physics and chemistry of solids 14 131 136 bibcode 1960jpcs 14 131l doi 10 1016 0022 3697 60 90219 5 lojek bo 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