Ralston, Hemmendinger & Reilly (2025), p

Infotech (IT) is a set of associated fields that incorporate computer systems, software application, programs languages, data and details processing, and storage. [1] IT forms part of information and communications technology (ICT). [2] An infotech system (IT system) is typically an info system, an interactions system, or, more particularly speaking, a computer system – including all hardware, software, and peripheral devices – run by a limited group of IT users, and an IT project generally describes the commissioning and implementation of an IT system. [3] IT systems play a crucial function in facilitating effective information management, enhancing interaction networks, and supporting organizational procedures across numerous markets. Successful IT tasks require meticulous planning and ongoing maintenance to ensure optimal functionality and positioning with organizational goals. [4]

Although humans have actually been saving, recovering, manipulating, analysing and communicating details given that the earliest writing systems were established, [5] the term infotech in its contemporary sense first appeared in a 1958 post released in the Harvard Business Review; authors Harold J. Leavitt and Thomas L. Whisler commented that « the brand-new technology does not yet have a single established name. We will call it infotech (IT). » [6] Their meaning includes 3 categories: techniques for processing, the application of analytical and mathematical approaches to decision-making, and the simulation of higher-order analyzing computer programs. [6]

The term is commonly utilized as a synonym for computer systems and computer networks, however it also incorporates other details distribution innovations such as television and telephones. Several services or products within an economy are related to infotech, consisting of hardware, software, electronics, semiconductors, web, telecom devices, and e-commerce. [7] [a]

Based on the storage and processing innovations used, it is possible to differentiate four unique stages of IT advancement: pre-mechanical (3000 BC – 1450 AD), mechanical (1450 – 1840), electromechanical (1840 – 1940), and electronic (1940 to present). [5]

Infotech is a branch of computer science, defined as the study of treatments, structures, and the processing of different types of data. As this field continues to develop globally, its priority and value have actually grown, causing the introduction of computer system science-related courses in K-12 education.

Ideas of computer technology were first mentioned before the 1950s under the Massachusetts Institute of Technology (MIT) and Harvard University, where they had talked about and started considering computer circuits and mathematical calculations. As time went on, the field of info technology and computer technology became more complicated and was able to deal with the processing of more data. Scholarly articles started to be published from various companies. [9]

During the early computing, Alan Turing, J. Presper Eckert, and John Mauchly were considered some of the significant leaders of computer system technology in the mid-1900s. Giving them such credit for their developments, the majority of their efforts were concentrated on developing the very first digital computer system. Along with that, subjects such as expert system began to be brought up as Turing was beginning to question such technology of the time duration. [10]

Devices have actually been used to help calculation for countless years, most likely at first in the type of a tally stick. [11] The Antikythera system, dating from about the start of the first century BC, is usually thought about the earliest recognized mechanical analog computer system, and the earliest recognized geared mechanism. [12] Comparable geared devices did not emerge in Europe until the 16th century, and it was not up until 1645 that the very first mechanical calculator efficient in carrying out the four standard arithmetical operations was established. [13]

Electronic computers, using either passes on or valves, began to appear in the early 1940s. The electromechanical Zuse Z3, completed in 1941, was the world’s first programmable computer, and by modern-day standards one of the first devices that could be thought about a total computing machine. During the Second World War, Colossus established the first electronic digital computer system to decrypt German messages. Although it was programmable, it was not general-purpose, being designed to perform only a single task. It likewise did not have the ability to save its program in memory; shows was performed utilizing plugs and switches to alter the internal electrical wiring. [14] The first recognizably modern-day electronic digital stored-program computer system was the Manchester Baby, which ran its first program on 21 June 1948. [15]

The advancement of transistors in the late 1940s at Bell Laboratories allowed a new generation of computer systems to be designed with greatly decreased power consumption. The first commercially readily available stored-program computer system, the Ferranti Mark I, consisted of 4050 valves and had a power consumption of 25 kilowatts. By comparison, the first transistorized computer system developed at the University of Manchester and operational by November 1953, consumed only 150 watts in its last version. [16]

Several other advancements in semiconductor innovation include the incorporated circuit (IC) created by Jack Kilby at Texas Instruments and Robert Noyce at Fairchild Semiconductor in 1959, silicon dioxide surface passivation by Carl Frosch and Lincoln Derick in 1955, [17] the very first planar silicon dioxide transistors by Frosch and Derick in 1957, [18] the MOSFET demonstration by a Bell Labs team. [19] [20] [21] [22] the planar procedure by Jean Hoerni in 1959, [23] [24] [25] and the microprocessor developed by Ted Hoff, Federico Faggin, Masatoshi Shima, and Stanley Mazor at Intel in 1971. These essential creations caused the advancement of the personal computer system (PC) in the 1970s, and the development of information and communications innovation (ICT). [26]

By 1984, according to the National Westminster Bank Quarterly Review, the term infotech had been redefined as « The advancement of cable tv was made possible by the convergence of telecoms and computing technology (… normally understood in Britain as infotech). » We then begin to see the look of the term in 1990 consisted of within documents for the International Organization for Standardization (ISO). [27]

Innovations in technology have currently revolutionized the world by the twenty-first century as people had the ability to gain access to various online services. This has actually changed the labor force drastically as thirty percent of U.S. workers were currently in careers in this profession. 136.9 million individuals were personally linked to the Internet, which was comparable to 51 million families. [28] Along with the Internet, new kinds of technology were likewise being introduced across the globe, which has enhanced effectiveness and made things easier around the world.

Together with innovation changing society, millions of procedures might be carried out in seconds. Innovations in communication were also essential as individuals began to depend on the computer system to interact through telephone lines and cable television. The intro of the email was thought about advanced as « companies in one part of the world could communicate by email with suppliers and buyers in another part of the world … » [29]

Not just personally, computer systems and innovation have likewise changed the marketing market, resulting in more buyers of their items. In 2002, Americans exceeded $28 billion in products simply online alone while e-commerce a decade later led to $289 billion in sales. [29] And as computers are rapidly becoming more advanced by the day, they are ending up being more utilized as individuals are becoming more reliant on them throughout the twenty-first century.

Data processing

Storage

Early electronic computer systems such as Colossus used punched tape, a long strip of paper on which information was represented by a series of holes, an innovation now outdated. [30] Electronic data storage, which is utilized in contemporary computer systems, dates from World War II, when a type of delay-line memory was developed to eliminate the clutter from radar signals, the first practical application of which was the mercury hold-up line. [31] The first random-access digital storage gadget was the Williams tube, which was based on a standard cathode ray tube. [32] However, the information stored in it and delay-line memory was unstable in the truth that it needed to be constantly revitalized, and therefore was lost when power was eliminated. The earliest form of non-volatile computer storage was the magnetic drum, developed in 1932 [33] and utilized in the Ferranti Mark 1, the world’s very first commercially available general-purpose electronic computer system. [34]

IBM presented the very first difficult disk drive in 1956, as a part of their 305 RAMAC computer system. [35]:6 Most digital information today is still saved magnetically on hard drives, or optically on media such as CD-ROMs. [36]:4 -5 Until 2002 most information was kept on analog devices, but that year digital storage capability surpassed analog for the very first time. Since 2007 [update], nearly 94% of the data kept worldwide was held digitally: [37] 52% on difficult disks, 28% on optical devices, and 11% on digital magnetic tape. It has been approximated that the around the world capability to store information on electronic devices grew from less than 3 exabytes in 1986 to 295 exabytes in 2007, [38] doubling approximately every 3 years. [39]

Databases

Database Management Systems (DMS) emerged in the 1960s to deal with the issue of saving and retrieving big quantities of information accurately and rapidly. An early such system was IBM’s Information Management System (IMS), [40] which is still extensively deployed more than 50 years later. [41] IMS stores data hierarchically, [40] however in the 1970s Ted Codd proposed an alternative relational storage design based on set theory and predicate reasoning and the familiar principles of tables, rows, and columns. In 1981, the first commercially available relational database management system (RDBMS) was launched by Oracle. [42]

All DMS consist of elements, they enable the data they keep to be accessed at the same time by many users while maintaining its stability. [43] All databases are typical in one point that the structure of the data they consist of is specified and saved independently from the data itself, in a database schema. [40]

In the last few years, the extensible markup language (XML) has ended up being a popular format for information representation. Although XML data can be saved in regular file systems, it is typically kept in relational databases to benefit from their « robust execution verified by years of both theoretical and practical effort. » [44] As an advancement of the Standard Generalized Markup Language (SGML), XML’s text-based structure provides the benefit of being both maker- and human-readable. [45]

Transmission

Data transmission has 3 elements: transmission, proliferation, and reception. [46] It can be broadly classified as broadcasting, in which details is sent unidirectionally downstream, or telecoms, with bidirectional upstream and downstream channels. [38]

XML has actually been increasingly utilized as a means of information interchange given that the early 2000s, [47] especially for machine-oriented interactions such as those involved in web-oriented procedures such as SOAP, [45] explaining « data-in-transit instead of … data-at-rest ». [47]

Manipulation

Hilbert and Lopez identify the exponential pace of technological change (a type of Moore’s law): machines’ application-specific capacity to calculate details per capita approximately doubled every 14 months between 1986 and 2007; the per capita capability of the world’s general-purpose computer systems doubled every 18 months throughout the exact same twenty years; the global telecommunication capacity per capita doubled every 34 months; the world’s storage capacity per capita required approximately 40 months to double (every 3 years); and per capita broadcast details has doubled every 12.3 years. [38]

Massive amounts of data are kept around the world every day, but unless it can be analyzed and presented effectively it essentially lives in what have been called data tombs: « information archives that are seldom gone to ». [48] To address that problem, the field of information mining – « the process of discovering interesting patterns and knowledge from large quantities of information » [49] – emerged in the late 1980s. [50]

Email

The innovation and services it attends to sending and receiving electronic messages (called « letters » or « electronic letters ») over a dispersed (consisting of worldwide) computer network. In terms of the structure of components and the principle of operation, electronic mail virtually repeats the system of routine (paper) mail, obtaining both terms (mail, letter, envelope, accessory, box, delivery, and others) and particular functions – ease of usage, message transmission delays, enough dependability and at the same time no warranty of delivery. The advantages of e-mail are: easily viewed and remembered by an individual addresses of the type user_name@domain_name (for example, somebody@example.com); the capability to move both plain text and formatted, in addition to approximate files; self-reliance of servers (in the basic case, they attend to each other directly); sufficiently high reliability of message shipment; ease of usage by human beings and programs.

Disadvantages of e-mail: the presence of such a phenomenon as spam (huge marketing and viral mailings); the theoretical impossibility of ensured delivery of a specific letter; possible hold-ups in message shipment (up to a number of days); limitations on the size of one message and on the total size of messages in the mailbox (individual for users).

Search system

A software application and hardware complex with a web interface that provides the capability to browse for information on the Internet. A search engine generally implies a site that hosts the user interface (front-end) of the system. The software application part of a search engine is a search engine (search engine) – a set of programs that supplies the functionality of an online search engine and is usually a trade trick of the online search engine designer business. Most online search engine look for info on Internet websites, however there are also systems that can try to find files on FTP servers, items in online stores, and information on Usenet newsgroups. Improving search is among the priorities of the modern-day Internet (see the Deep Web article about the primary issues in the work of search engines).

Commercial effects

Companies in the details innovation field are frequently talked about as a group as the « tech sector » or the « tech market. » [51] [52] [53] These titles can be deceiving sometimes and must not be misinterpreted for « tech companies; » which are generally large scale, for-profit corporations that offer customer technology and software application. It is likewise worth noting that from a service viewpoint, Information innovation departments are a « expense center » most of the time. A cost center is a department or staff which incurs expenditures, or « costs », within a company instead of generating earnings or revenue streams. Modern services rely greatly on innovation for their everyday operations, so the costs delegated to cover technology that helps with business in a more effective manner are usually viewed as « simply the cost of doing company. » IT departments are designated funds by senior management and need to try to attain the preferred deliverables while staying within that spending plan. Government and the economic sector might have various financing systems, however the principles are more-or-less the exact same. This is a frequently ignored reason for the fast interest in automation and artificial intelligence, but the continuous pressure to do more with less is opening the door for automation to take control of at least some small operations in large business.

Many business now have IT departments for managing the computers, networks, and other technical areas of their services. Companies have likewise sought to incorporate IT with service outcomes and decision-making through a BizOps or company operations department. [54]

In an organization context, the Infotech Association of America has specified details technology as « the research study, design, development, application, implementation, assistance, or management of computer-based details systems ». [55] [page needed] The responsibilities of those operating in the field include network administration, software application development and installation, and the preparation and management of a company’s technology life process, by which software and hardware are maintained, updated, and changed.

Information services

Information services is a term rather loosely used to a range of IT-related services used by commercial companies, [56] [57] [58] in addition to data brokers.

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U.S. Employment distribution of computer systems design and associated services, 2011 [59]

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U.S. Employment in the computer systems and style associated services market, in thousands, 1990-2011 [59]

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U.S. Occupational development and earnings in computer system systems design and associated services, 2010-2020 [59]

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U.S. predicted percent modification in employment in chosen occupations in computer systems style and associated services, 2010-2020 [59]

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U.S. predicted typical yearly percent modification in output and work in selected industries, 2010-2020 [59]

Ethics

The field of information principles was established by mathematician Norbert Wiener in the 1940s. [60]:9 A few of the ethical concerns related to making use of infotech include: [61]:20 -21

– Breaches of copyright by those downloading files kept without the consent of the copyright holders.
– Employers monitoring their staff members’ e-mails and other Internet usage.
Unsolicited e-mails.
Hackers accessing online databases.
– Website installing cookies or spyware to keep track of a user’s online activities, which might be utilized by information brokers.

IT projects

Research suggests that IT projects in business and public administration can easily become considerable in scale. Work performed by McKinsey in collaboration with the University of Oxford suggested that half of all massive IT projects (those with preliminary expense estimates of $15 million or more) frequently failed to keep expenses within their preliminary spending plans or to complete on time. [62]

Information and interactions technology (ICT).
IT infrastructure.
Outline of infotech.
Knowledge society.

Notes

^ On the later more broad application of the term IT, Keary remarks: « In its initial application ‘infotech’ was appropriate to explain the convergence of innovations with application in the huge field of data storage, retrieval, processing, and dissemination. This helpful conceptual term has actually considering that been transformed to what claims to be of great usage, but without the support of definition … the term IT does not have compound when used to the name of any function, discipline, or position. » [8] References

Citations

^ Cosker, Glynn (2023 ), « What Is Information Technology? A Novice’s Guide to the World of IT », Technology Blog, Rasmussen University.
^ « Computer Technology Definition ». Law Insider. Retrieved 11 July 2022. ^ Forbes Technology Council, 16 Key Steps To Successful IT Project Management, published 10 September 2020, accessed 23 June 2023
^ 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 (IJSECS). 3 (2 ): 151-161. doi:10.35870/ ijsecs.v3i2.1512. ISSN 2776-3242.
^ a b Butler, Jeremy G., A History of Infotech and Systems, University of Arizona, archived from the original on 5 August 2012, recovered 2 August 2012
^ a b Leavitt, Harold J.; Whisler, Thomas L. (1958 ), « Management in the 1980s », Harvard Business Review, 11.
^ Chandler, Daniel; Munday, Rod (10 February 2011), « Infotech », A Dictionary of Media and Communication (first ed.), Oxford University Press, ISBN 978-0199568758, obtained 1 August 2012, Commonly a synonym for computers and computer networks however more broadly designating any innovation that is used to produce, store, process, and/or disperse details electronically, consisting of television and telephone.
^ Ralston, Hemmendinger & Reilly (2000 ), p. 869.
^ 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 system science. In H. Henderson, Facts on File science library: Encyclopedia of computer technology and innovation. (3rd ed.). [Online] New York City: Facts On File.
^ Schmandt-Besserat, Denise (1981 ), « Decipherment of the earliest tablets », Science, 211 (4479 ): 283-285, Bibcode:1981 Sci … 211..283 S, 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 initial on 9 January 2012, obtained 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 (non-active 7 December 2024), ISSN 0963-7346 citation: CS1 maint: DOI inactive since December 2024 (link).
^ US2802760A, Lincoln, Derick & Frosch, Carl J., « Oxidation of semiconductive surface areas for regulated diffusion », issued 1957-08-13
^ Frosch, C. J.; Derick, L (1957 ). « Surface Protection and Selective Masking throughout 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.
^ 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:1960 JPCS … 14..131 L. doi:10.1016/ 0022-3697( 60 )90219-5.
^ Lojek, Bo (2007 ). History of Semiconductor Engineering. Springer Science & Business Media. p. 120. ISBN 9783540342588.
^ Lojek, Bo (2007 ). History of Semiconductor Engineering. Springer Science & Business Media. pp. 120 & 321-323. ISBN 9783540342588.
^ Bassett, Ross Knox (2007 ). To the Digital Age: Research Labs, Start-up Companies, and the Rise of MOS Technology. Johns Hopkins University Press. p. 46. ISBN 9780801886393.
^ US 3025589 Hoerni, J. A.: « Method of Manufacturing Semiconductor Devices » filed May 1, 1959
^ « Advanced details on the Nobel Prize in Physics 2000 » (PDF). Nobel Prize. June 2018. Archived (PDF) from the original on 17 August 2019. Retrieved 17 December 2019.
^ Infotech. (2003 ). In E.D. Reilly, A. Ralston & D. Hemmendinger (Eds.), Encyclopedia of computer technology. (fourth ed.).
^ Stewart, C.M. (2018 ). Computers. In S. Bronner (Ed.), Encyclopedia of American studies. [Online] Johns Hopkins University Press.
^ a b Northrup, C.C. (2013 ). Computers. In C. Clark Northrup (Ed.), Encyclopedia of world trade: from ancient times to the present. [Online] London: Routledge.
^ Alavudeen & Venkateshwaran (2010 ), p. 178.
^ Lavington (1998 ), p. 1.
^ « Early computer systems at Manchester University », Resurrection, 1 (4 ), Summer 1992, ISSN 0958-7403, archived from the initial on 28 August 2017, recovered 19 April 2008.
^ Universität Klagenfurt (ed.), « Magnetic drum », Virtual Exhibitions in Informatics, archived from the original on 21 June 2006, obtained 21 August 2011.
^ The Manchester Mark 1, of Manchester, archived from the initial on 21 November 2008, obtained 24 January 2009.
^ Khurshudov, Andrei (2001 ), The Essential Guide to Computer Data Storage: From Floppy to DVD, Prentice Hall, ISBN 978-0-130-92739-2.
^ Wang, Shan X.; Taratorin, Aleksandr Markovich (1999 ), Magnetic Information Storage Technology, Academic Press, ISBN 978-0-12-734570-3.
^ Wu, Suzanne, « Just How Much Information Exists in the World? », USC News, University of Southern California, recovered 10 September 2013.
^ a b c Hilbert, Martin; López, Priscila (1 April 2011), « The World’s Technological Capacity to Store, Communicate, and Compute Information », Science, 332 (6025 ): 60-65, Bibcode:2011 Sci … 332 … 60H, doi:10.1126/ science.1200970, PMID 21310967, S2CID 206531385.
^ « Americas events – Video animation on The World’s Technological Capacity to Store, Communicate, and Compute Information from 1986 to 2010 ». The Economist. Archived from the initial on 18 January 2012.
^ a b c Ward & Dafoulas (2006 ), p. 2.
^ Olofson, Carl W. (October 2009), A Platform for Enterprise Data Services (PDF), IDC, archived from the original (PDF) on 25 December 2013, retrieved 7 August 2012.
^ Ward & Dafoulas (2006 ), p. 3.
^ Silberschatz, Abraham (2010 ). Database System Concepts. McGraw-Hill Higher Education. ISBN 978-0-07-741800-7.
^ Pardede (2009 ), p. 2.
^ a b Pardede (2009 ), p. 4.
^ Weik (2000 ), p. 361.
^ a b Pardede (2009 ), p. xiii.
^ Han, Kamber & Pei (2011 ), p. 5.
^ Han, Kamber & Pei (2011 ), p. 8.
^ Han, Kamber & Pei (2011 ), p. xxiii.
^ « Technology Sector Snapshot ». The New York City Times. Archived from the initial on 13 January 2017. Retrieved 12 January 2017.
^ « Our programs, campaigns and collaborations ». TechUK. Retrieved 12 January 2017.
^ « Cyberstates 2016 ». CompTIA. Retrieved 12 January 2017.
^ « Manifesto Hatched to Close Gap Between Business and IT ». TechNewsWorld. 22 October 2020. Retrieved 22 March 2021.
^ Proctor, K. Scott (2011 ), Optimizing and Assessing Information Technology: Improving Business Project Execution, John Wiley & Sons, ISBN 978-1-118-10263-3.
^ « Top Information Services business ». VentureRadar. Retrieved 8 March 2021.
^ « Follow Information Services on Index.co ». Index.co. Retrieved 8 March 2021.
^ Publishing, Value Line. « Industry Overview: Information Services ». Value Line. Archived from the initial on 20 June 2021. Retrieved 8 March 2021.
^ a b c d e Lauren Csorny (9 April 2013). « U.S. Careers in the growing field of infotech services ». U.S. Bureau of Labor Statistics.
^ Bynum, Terrell Ward (2008 ), « Norbert Wiener and the Rise of Information Ethics », in van den Hoven, Jeroen; Weckert, John (eds.), Information Technology and Moral Philosophy, Cambridge University Press, ISBN 978-0-521-85549-5.
^ Reynolds, George (2009 ), Ethics in Infotech, Cengage Learning, ISBN 978-0-538-74622-9.
^ Bloch, M., Blumberg, S. and Laartz, J., Delivering massive IT projects on time, on budget plan, and on worth, published 1 October 2012, accessed 23 June 2023
Bibliography

Alavudeen, A.; Venkateshwaran, N. (2010 ), Computer Integrated Manufacturing, PHI Learning, ISBN 978-81-203-3345-1
Chaudhuri, P. Pal (2004 ), Computer Organization and Design, PHI Learning, ISBN 978-81-203-1254-8
Han, Jiawei; Kamber, Micheline; Pei, Jian (2011 ), Data Mining: Concepts and Techniques (3rd ed.), Morgan Kaufmann, ISBN 978-0-12-381479-1
Lavington, Simon (1980 ), Early British Computers, Manchester University Press, ISBN 978-0-7190-0810-8
Lavington, Simon (1998 ), A History of Manchester Computers (2nd ed.), The British Computer Society, ISBN 978-1-902505-01-5
Pardede, Eric (2009 ), Open and Novel Issues in XML Database Applications, Information Science Reference, ISBN 978-1-60566-308-1
Ralston, Anthony; Hemmendinger, David; Reilly, Edwin D., eds. (2000 ), Encyclopedia of Computer Technology (fourth ed.), Nature Publishing Group, ISBN 978-1-56159-248-7
van der Aalst, Wil M. P. (2011 ), Process Mining: Discovery, Conformance and Enhancement of Business Processes, Springer, ISBN 978-3-642-19344-6
Ward, Patricia; Dafoulas, George S. (2006 ), Database Management Systems, Cengage Learning EMEA, ISBN 978-1-84480-452-8
Weik, Martin (2000 ), Computer Science and Communications Dictionary, vol. 2, Springer, ISBN 978-0-7923-8425-0
Wright, Michael T. (2012 ), « The Front Dial of the Antikythera Mechanism », in Koetsier, Teun; Ceccarelli, Marco (eds.), Explorations in the History of Machines and Mechanisms: Proceedings of HMM2012, Springer, pp. 279-292, ISBN 978-94-007-4131-7

Further reading

Allen, T.; Morton, M. S. Morton, eds. (1994 ), Information Technology and the Corporation of the 1990s, Oxford University Press.
– Gitta, Cosmas and South, David (2011 ). Southern Innovator Magazine Issue 1: Mobile Phones and Information Technology: United Nations Office for South-South Cooperation. ISSN 2222-9280.
Gleick, James (2011 ). The Information: A History, a Theory, a Flood. New York City: Pantheon Books.
Price, Wilson T. (1981 ), Introduction to Computer Data Processing, Holt-Saunders International Editions, ISBN 978-4-8337-0012-2.
– Shelly, Gary, Cashman, Thomas, Vermaat, Misty, and Walker, Tim. (1999 ). Discovering Computers 2000: Concepts for a Connected World. Cambridge, Massachusetts: Course Technology.
– Webster, Frank, and Robins, Kevin. (1986 ). Information Technology – A Luddite Analysis. Norwood, NJ: Ablex.