IT management

Learn about the core elements of IT management, including operations, tech support and personal computing, as well as terms related to IT careers, certifications and project management.

Certifications

This glossary contains definitions related to IT Certifications.

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IT career paths

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IT Operations

Terms related to the processes and services implemented and managed by an organization’s information technology (IT) department. Topics covered include systems management, configuration management, API management and DevOps, as well as real-time performance monitoring and management.

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Personal computing

Terms related to personal computers, including definitions about computers sold as consumer products and words and phrases about laptops, tablets and smartphones.

  • What is a third-party cookie?

    A third-party cookie is a cookie that's placed on a user's device -- computer, cellphone or tablet -- by a website from a domain other than the one the user is visiting.

  • What is IPv6 (Internet Protocol version 6)?

    Internet Protocol version 6 (IPv6) is a set of specifications from the Internet Engineering Task Force (IETF) that is responsible for identifying network devices and routing traffic across the internet.

  • What is a microcomputer?

    A microcomputer is a complete computer on a small scale, designed for use by one person at a time.

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Project management

Terms related to project management, including definitions about project management methodologies and tools.

  • What is the risk-reward ratio?

    The risk-reward ratio, also known as a risk-return ratio, is a mathematical calculation investors use to measure the expected gains of a given investment against the risk of loss.

  • What is a PMO (project management office)?

    A project management office (PMO) is a group, agency or department that defines and maintains the standards of project management for a company.

  • What is systems development life cycle?

    The systems development life cycle (SDLC) is a conceptual model used in project management that describes the stages involved in an information system development project -- from an initial feasibility study all the way through maintenance of the completed application.

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Technical support

Terms related to computer fundamentals, including computer hardware definitions and words and phrases about software, operating systems, peripherals and troubleshooting.

  • What is matter?

    Matter is a substance made up of various types of particles that occupies physical space and has inertia.

  • What is an entrepreneur (entrepreneurship)?

    An entrepreneur is an individual who identifies a need in the marketplace and works to fulfill it.

  • Apple

    Apple Inc. (formerly Apple Computer Inc.) is an American computer and consumer electronics company famous for creating the iPhone, iPad and Macintosh computers.

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