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.

  • What is a bill of materials (BOM)?

    A bill of materials (BOM) is a comprehensive inventory of the raw materials, assemblies, subassemblies, parts and components, as well as the quantities of each, needed to manufacture a product.

  • What is a request for proposal (RFP)?

    A request for proposal (RFP) is a document an organization uses when it's searching for a product or service to meet specific requirements. The organization posts an RFP to elicit formal bids from vendors.

  • What is NRZ (non-return-to-zero)?

    NRZ (non-return-to-zero) is a form of digital data transmission in which the binary low and high states, represented by numerals 0 and 1, are transmitted by specific and constant direct current (DC) voltages.

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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 an AI assistant?

    An AI assistant, or digital assistant, is software that uses artificial intelligence to understand natural language voice commands and complete tasks for the user.

  • What is Secure Digital Extended Capacity card (SDXC)?

    A Secure Digital Extended Capacity (SDXC) card is a very small flash memory card that has greater storage capacity than the original SD (Secure Digital) memory cards.

  • What is a web server?

    A web server is software and hardware that uses HTTP and other protocols to respond to client requests made over the World Wide Web.

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Project management

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

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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 the 11th dimension in M-theory?

    The 11th dimension is a characteristic of spacetime that has been proposed as a possible answer to questions that arise in superstring theory.

  • What is memory management in a computer environment?

    Memory management is the process of controlling and coordinating a computer's main memory.

  • What is system software?

    System software is a type of computer program designed to run a computer's hardware and application programs. Thinking of the computer system as a layered model, the system software is the interface between the hardware and user applications.

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