Browse Definitions by Alphabet

  • hybrid cloud security - Hybrid cloud security is the combination of technologies and practices that protect a hybrid cloud user's sensitive data, infrastructure and applications.
  • hybrid cloud storage - Hybrid cloud storage is an approach to managing cloud storage that uses both local and off-site resources.
  • hybrid ERP - Hybrid ERP is a combination of on-premises enterprise resource planning systems for managing essential business processes, such as financials and manufacturing, and cloud software for more specific functions.
  • hybrid flash array - A hybrid flash array is a solid-state storage system that contains a mix of flash memory drives and hard disk drives.
  • hybrid hard drive (HHD) - A hybrid hard drive (HHD), sometimes known as a solid-state hybrid drive (SSHD), is a mass storage device that combines a conventional hard disk drive (HDD) and a NAND flash memory module.
  • hybrid IT - Hybrid IT is an approach to enterprise computing in which an organization provides and manages some information technology (IT) resources in-house but uses cloud-based services for others.
  • hybrid manufacturing - Hybrid manufacturing is a term that describes combining additive manufacturing and subtractive manufacturing in a single machine system.
  • hybrid work model - A hybrid work model is a workforce structure that includes employees who work remotely and those who work on site, in a company's facilities.
  • hybrid workforce - A hybrid workforce is a type of blended workforce comprising employees who work remotely and those who work from an office or central location.
  • hydraulics - Hydraulics is a mechanical function that operates through the force of liquid pressure.
  • hyper-converged storage - Hyper-converged storage is a software-defined approach to storage management that combines storage, compute, virtualization and sometimes networking technologies in one physical unit that is managed as a single system.
  • hyperautomation - Hyperautomation is a framework and a set of advanced technologies for scaling automation in the enterprise.
  • hyperconverged appliance (HCI appliance) - A hyperconverged appliance (HCI appliance) is a hardware device that provides multiple data center management technologies within a single box.
  • HyperGrid - HyperGrid is a cloud computing provider that offers Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and application management services.
  • Hyperledger - Hyperledger is a collection of open source projects created to support the development of blockchain-based distributed ledgers.
  • HyperTerminal - HyperTerminal is a communications and terminal emulation program that came with the Windows 98 and Windows XP operating systems.
  • Hypertext Transfer Protocol Secure (HTTPS) - Hypertext Transfer Protocol Secure (HTTPS) is a protocol that secures communication and data transfer between a user's web browser and a website.
  • hypervisor - A hypervisor is software that facilitates running multiple virtual machines (VMs) with their own operating systems on a single computer host's hardware.
  • hypervisor security - Hypervisor security is the process of ensuring the hypervisor -- the software that enables virtualization -- is secure throughout its lifecycle.
  • What is a hacker? - A hacker is an individual who uses computer, networking or other skills to overcome a technical problem.
  • What is a hard disk drive (HDD)? - A computer hard disk drive (HDD) is a non-volatile data storage device.
  • What is a hardware security module? - A hardware security module (HSM) is a physical device that provides extra security for sensitive data.
  • What is a headless content management system (headless CMS)? - A headless content management system (CMS) is an application in which the content and presentation layers are decoupled, allowing for faster content creation, edits and deployments.
  • What is a headless server? - A headless server is a computer without a local interface to interact with.
  • What is a honeypot? How it protects against cyberattacks - A honeypot is a network-attached system set up as a decoy to lure cyberattackers and to help organizations detect, deflect and study hacking attempts to gain unauthorized access to IT.
  • What is hacktivism? - Hacktivism is the act of misusing a computer system or network for a socially or politically motivated reason.
  • What is happy path testing? - Happy path testing is a type of software testing that uses known input and produces an expected output.
  • What is hardware as a service (HaaS)? - Hardware as a service (HaaS) is a procurement model that's similar to leasing or licensing.
  • What is hardware virtualization? - Hardware virtualization, which is also known as server virtualization or simply virtualization, is the abstraction of computing resources from the software that uses those resources.
  • What is hardware-assisted virtualization? - Hardware-assisted virtualization is the use of a computer's physical components to support the software that creates and manages virtual machines (VMs).
  • What is hexadecimal numbering? - Hexadecimal is a numbering system that uses a base-16 representation for numeric values.
  • What is high availability (HA)? Definition and guide - High availability (HA) is the ability of a system to operate continuously for a designated period of time even if components within the system fail.
  • What is high-bandwidth memory (HBM)? - High-bandwidth memory is a type of computer memory that is optimized for fast data transfer and reduced power consumption.
  • What is high-touch customer service? - High-touch customer service is a category of contact center interaction that requires human interaction.
  • What is Hitachi Vantara? - Hitachi Vantara is a data storage systems provider, previously known as Hitachi Data Systems (HDS).
  • What is HITECH (Health Information Technology for Economic and Clinical Health) Act of 2009? - The HITECH (Health Information Technology for Economic and Clinical Health) Act of 2009 is legislation that was created to stimulate the adoption of electronic health records (EHR) and the supporting technology in the United States.
  • What is Hootsuite? - Hootsuite is a social media management platform that helps organizations deliver enhanced social media experiences to their customers at every stage of the customer journey.
  • What is hot spot/cold spot? - A hot spot/cold spot is an undesirable, tightly focused local temperature variation that often occurs when data center equipment is improperly cooled.
  • What is HTTP and how does it work? Hypertext Transfer Protocol - HTTP (Hypertext Transfer Protocol) is the set of rules for transferring files -- such as text, images, sound, video and other multimedia files -- over the web.
  • What is hybrid cloud? The ultimate guide - A hybrid cloud is a cloud computing environment that uses a mix of on-premises, private cloud and third-party public cloud services with orchestration among these platforms.
  • What is hyperconverged infrastructure? Guide to HCI - Hyperconverged infrastructure is a software-centric architecture that tightly integrates compute, storage and virtualization resources in a single system that usually consists of x86 hardware.
  • What is hyperscale cloud? Computing and data center uses explained - A hyperscale cloud is an extensive, scalable cloud computing operation that employs numerous hyperscale data centers.