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.

The following outline is provided as an overview of and introduction to information technology:

Branches of information technology

History of information technology

Main article: History of information technology

• History of computing

Basic information technology concepts

• Data
  • Database

• Information
  • Information science
  • Information technology

• Computer
  • Compute
  • Computing
  • Computation
  • Computer engineering
  • Computer Science

• Computer Programming
  • Programming Languages
  • Object oriented programming
  • Software engineering
    • Rapid Application Development

• Technology

• Information technology audit

• Information Security
  • IT Security
  • Information Security Principles
  • ISO/IEC 17799
  • ISO/IEC 27001
  • Information Security Audit
  • Computer Security Audit

• Cryptography
  • Symmetric key encryption
  • Public-key cryptography
  • Digital signature
  • Steganography
  • Cryptanalysis

• Networking
  • World Wide Web
  • Wide Area Network
  • Local Area Network
  • OSI Model
  • Ethernet
  • Networking hardware
  • Network administration

• Digital library

• Pattern recognition

• Data management
  • Data processing
  • RFID
  • Data drilling
  • Data mining
  • Data transformation
  • Metadata

• Data storage
  • Database
  • Data networking

• Technology assessment

• Information Technology Infrastructure Library

• Information technology governance

• Telematics

Information technology scholars

Leaders in information technology

Information technology lists

Main article: List of information technology topics

External links

• Information Technology Association of America

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