An industry standard for interconnecting computers within a home using existing telephone lines and registered jack. Using HomePNA, multiple computer users in a home can share a single Internet connection, or files. 

A social media management system for businesses and organizations to collaboratively execute campaigns across multiple social networks from one secure, web-based dashboard.

A circuit board and/or integrated circuit adapter that provides input/output (I/O) processing and physical connectivity between a server and a storage device.

A method of security management for computers and networks. Anti-threat applications such as firewalls, antivirus software and spyware-detection programs are installed on every network computer that has two-way access to the outside environment.

A host operating system (OS) is the original OS installed on a computer. Other operating systems are sometimes installed on a computer, in addition to the host OS, as guest operating systems. 

An arrangement in which a company outsources some or all of its Customer Relationship Management (CRM) functions to an Application Service Provider (ASP). The hosted CRM model is said to increase Return On Investment (ROI) by decreasing costs.

A method that handles call routing, or switching, at the host location. It is responsible for managing all of the PBX equipment and software involved in the virtual PBX service. Hosted PBX services can function over the PSTN or over the Internet.

HostGator is a Houston-based web hosting company

In computing, a person responsible for managing domain name records within the Domain Name System or any individual computer (typically a server).

A backup server that receives regular updates and is put on standby to take over immediately in the event of a failover. Microsoft currently offers free software licenses for cold servers intended for disaster recovery.

A routing protocol that allows host computers on the Internet to use multiple routers that act as a single virtual router, maintaining connectivity even if the first hop router fails, because other routers are on "hot standby" - ready to go. 

A backup performed on data even though it is actively accessible to users and may currently be in a state of being updated. Hot backups can provide a convenient solution in multi-user systems, because they do not require downtime.

Hotkeys are at times referred to as shortcut keys because of their ability to easily trigger an action with in an application.

Howler.js is a lighweight open source javascript library for browser based audio web applications. It defaults to web audio API and supports multiple file formats to support all web browsers.

A line of UNIX-based business servers from Hewlett-Packard (HP) with server models that span enterprise applications from the "entry-level" (branch or department-level computers, Web hosting servers, and so forth) through the midrange.

HP Access Catalog is a SaaS-delivered mobile app and content store that allows corporations to quickly and securely deliver resources across mobile and desktop devices to their employees anywhere.