Information Technology (IT) also known as Information and Communication(s) Technology (ICT) and Infocomm (in Asia) is concerned with the use of technology in managing and processing information, especially in large organizations. In particular, IT deals with the use of electronic computers and computer software to convert, store, protect, process, transmit, and retrieve information. Basic topics in information technology include: This article does not cite its references or sources. ... By the mid 20th century humans had achieved a mastery of technology sufficient to leave the surface of the Earth for the first time and explore space. ... In general, information processing is the changing (processing) of information in any manner detectable by an observer. ... The field of electronics comprises the study and use of systems that operate by controlling the flow of electrons (or other charge carriers) in devices such as thermionic valves (vacuum tubes) and semiconductors. ... A BlueGene supercomputer cabinet. ... Software, or program, enables a computer to perform specific tasks, as opposed to the physical components of the system (hardware). ... In telecommunications, transmission is the act of transmitting electrical messages (and the associated phenomena of radiant energy that passes through media). ...

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Nature of information technology

Main article: Information technology

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Branches of information technology

History of information technology

Main article: History of information technology

The history of computing is longer than the history of computing hardware and modern computing technology and includes the history of methods intended for pen and paper or for chalk and slate, with or without the aid of tables. ... Computing hardware has been an important component of the process of calculation and data storage since it became useful for numerical values to be processed and shared. ... The history of computing hardware starting in the 1960s begins with the development of the integrated circuit (IC), which formed the basis of the first computer kits and home computers in the 1970s, notable examples being the MITS Altair, Apple II and Commodore PET; and which eventually powered personal and... The history of computing hardware in former Soviet Bloc is somewhat different from that of Western countries. ... The history of computer operating systems recapitulates to a degree, the recent history of computing. ... Bold textItalic text Software engineering has evolved steadily from its founding days in the 1940s until today in the 2000s. ... It has been suggested that the section History from the article Programming language be merged into this article or section. ... The graphical user interface, or GUI (IPA: ), is a computer interface that uses graphic icons and controls in addition to text. ... Today, the Web and the Internet allow connectivity from literally everywhere on earth—even ships at sea and in outer space. ... Home video-game systems became popular during the 1970s and 80s. ... This article presents a detailed timeline of events in the history of computing. ... This article presents a detailed timeline of events in the history of computing from Prehistory until 1949. ... This article presents a detailed timeline of events in the history of computing from 1950 to 1979. ... This article presents a detailed timeline of events in the history of computing from 1980 to 1989. ... This article presents a detailed timeline of events in the history of computing from 1990 to the present. ...

Basic information technology concepts

• Information technology audit
  • Computer security audit
• Computing
• Computer science
• Information science
• Information security
• World Wide Web
• Digital library
• Pattern recognition
• Data management
  • Data processing
  • RFID
  • Data drilling
  • Data mining
  • Data transformation
  • Metadata
• Data storage
  • Database
  • Data networking
• Technology assessment
• Cryptography
• Information Technology Infrastructure Library
• Information technology governance
• Telematics

To meet Wikipedias quality standards, this article or section may require cleanup. ... A computer security audit is a manual or systematic measurable technical assessment of a system or application. ... Originally, the word computing was synonymous with counting and calculating, and a science and technology that deals with the original sense of computing mathematical calculations. ... Computer science, or computing science, is the study of the theoretical foundations of information and computation and their implementation and application in computer systems. ... Information science (also information studies) is an interdisciplinary science primarily concerned with the collection, classification, manipulation, storage, retrieval and dissemination of information. ... United States Air Force INFOSEC poster. ... WWWs historical logo designed by Robert Cailliau The World Wide Web (WWW or simply the Web) is a system of interlinked, hypertext documents that runs over the Internet. ... A digital library is a library in which a significant proportion of the resources are available in machine-readable format (as opposed to print or microform), accessible by means of computers. ... Pattern recognition is a field within the area of machine learning. ... Data management comprises all the disciplines related to managing data as a valuable resource. ... Data processing is any computer process that converts data into information or knowledge. ... An EPC RFID tag used for Wal-Mart Radio Frequency Identification (RFID) is an automatic identification method, relying on storing and remotely retrieving data using devices called RFID tags or transponders. ... Organize data within a dimension. ... Data mining (DM), also called Knowledge-Discovery in Databases (KDD) or Knowledge-Discovery and Data Mining, is the process of automatically searching large volumes of data for patterns using tools such as classification, association rule mining, clustering, etc. ... In metadata, a data transformation converts data from a source data format into destination data. ... Metadata is data about data. ... The terms storage (U.K.) or memory (U.S.) refer to the parts of a digital computer that retain physical state (data) for some interval of time, possibly even after electrical power to the computer is turned off. ... The term or expression database originated within the computer industry. ... Data networking The methodlogy enable links between data nodes. ... Technology assessment (TA, German Technikfolgenabschätzung) is the study and evaluation of new technologies. ... The German Lorenz cipher machine, used in World War II for encryption of very high-level general staff messages Cryptography (or cryptology; derived from Greek κρυπτός kryptós hidden, and the verb γράφω gráfo write) is the study of message secrecy. ... The Information Technology Infrastructure Library (ITIL®) is a framework of best practice approaches intended to facilitate the delivery of high quality information technology (IT) services. ... Information technology governance, IT governance or ICT Governance, is a subset discipline of Corporate governance focused on information technology systems and their performance and risk management. ... The term telematics is used in a number of ways: The integrated use of telecommunications and informatics, also known as ICT (Information and Communications Technology). ...

Information technology scholars

Leaders in information technology

Information technology lists

Main article: List of information technology topics

See also

External links

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