Browse Definitions By Topic
- AppDev
- Business software
- Computer Science
- Consumer Tech
- Data Center
- IT Career Management
- Networking
- Security
- Storage and Data Mgmt
AppDev
Definitions about software applications and development including operating system vocabulary, programming terminology, words about Internet applications and terms used in app/dev.

- Agile software development
- Apple
- Internet applications
- Java
- Linux
- Microsoft
- Open source
- Operating systems
- Programming
- Software applications
- Web services, SOA
Recently Published Definitions
- API gateway
An API gateway is a software pattern that sits in front of an application programming interface (API) or group of microservices, to facilitate ...
- MCSA (Microsoft Certified Solutions Associate)
MCSA (Microsoft Certified Solutions Associate) is a certification program intended for people who seek entry-level jobs in an information technology ...
Business software
Search or browse for definitions related to the procurement, implementation and management of line of business software applications that are vital to running an enterprise.

- Amazon Web Services (AWS)
- Customer experience management
- Google - Android
- Human resource management
- Microsoft - Windows
- Open Source
- Oracle
- Salesforce
- SAP
- Software asset management
- VMware
- Writing for Business
Recently Published Definitions
- 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.
- conversion rate optimization
In online marketing, conversion rate optimization (CRO) is a strategic approach to increasing the percentage of website visitors who follow a desired...
Computer Science
Definitions about computer science including computing fundamentals vocabulary, protocol and standards terminology, words about microprocessors and terms used in electronics.

- Algorithms
- Artificial intelligence - machine learning
- Electronics
- Fast references
- IT standards and organizations
- Learning guides
- Mathematics
- Microprocessors
- Nanotechnology
- Podcasts
- Protocols
- Quick Start Glossaries
- Quizzes
- Robotics
- SEO
- Video Production
Recently Published Definitions
- HTTP (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 -- ...
- Fourth Industrial Revolution
The Fourth Industrial Revolution is the current and developing environment in which disruptive technologies and trends such as the Internet of Things...
Consumer Tech
Definitions about consumer technology including Internet acronyms, tech lingo, multimedia definitions, words about personal computing and peripherals as well as terms used in wireless and mobile computing.

- Desktops and laptops
- End user hardware
- Internet acronyms and lingo
- Internet technologies
- Multimedia and graphics
- Personal computing
- Printers
- Wireless and mobile
Recently Published Definitions
- Big Tech
Big Tech is a term that refers to the most dominant and largest technology companies in their respective sectors.
- IMEI (International Mobile Equipment Identity)
IMEI (International Mobile Equipment Identity) is a 15-17-digit code that is given to every mobile phone. This number is used by service providers to...
Data Center
Definitions used in data center management, including hardware, virtualization and cloud computing.

- Compliance, risk and governance
- Converged infrastructure
- Data center management
- Disaster recovery
- Enterprise resource planning (ERP)
- Government IT
- Hardware
- Healthcare IT
- IT service management & procurement
- Storage hardware
- Virtualization
Recently Published Definitions
- IT4IT
IT4IT is a reference architecture for information technology (IT) management. IT organizations and tool vendors use IT4IT as a framework to improve ...
- VM sprawl
Virtualization sprawl is a phenomenon that occurs when the number of virtual machines (VMs) on a network reaches a point where administrators can no ...
IT Career Management
- Analytics
- Certifications
- Cloud Computing
- DevOps
- IT Career Paths
- IT Operations
- Marketing and CX
- Network Mgmt
- Project Management
- Security
- Software Development
- Technical Support
Recently Published Definitions
- CompTIA Network+
The CompTIA Network+ is an IT certification exam that confirms an individual possesses the skills in networking required to develop a career in IT ...
- 25 terms to know before taking the IT4IT Foundation exam
Learn about IT4IT and prepare for the basic terminology that may appear in the IT4IT Foundation exam by reviewing these 25 terms.
Networking
Definitions about networking including routing and switching vocabulary, telecom terminology and words about email, messaging and mobile.

- Circuit switched services equipment and providers
- Data transmission
- Email and messaging
- High-speed networks
- Internet of Things
- Local area networks (LAN, campus LAN)
- Network hardware
- Network software
- Networking and communications
- Routing and switching
- Smart grid
- Telecom
- Voice over IP (VoIP)
- Wireless LANs
- Wireless technologies
Recently Published Definitions
- carrier network
A telecommunications carrier network is the collection of devices and underlying infrastructure used to transmit data from one location to another.
- base station
In telecommunications, a base station is a fixed transceiver that is the main communication point for one or more wireless mobile client devices.
Security
This cyber security glossary explains the meaning of terms about different types of computer security threats as well as words about application security, access control, network intrusion detection, security awareness training and computer forensics.

- Anti-virus, antimalware
- Application security
- Authentication, access control
- Malware
- Network security
- Threat management
Recently Published Definitions
- computer security incident response team (CSIRT)
A computer security incident response team, or CSIRT, is a group of IT professionals that provides an organization with services and support ...
- Computer Emergency Response Team (CERT)
A Computer Emergency Response Team (CERT) is a group of information security experts responsible for the protection against, detection of and ...
Storage and Data Mgmt
Definitions about storage and data management including backup/recovery vocabulary, business intelligence terminology, storage area networks and database management.

- Customer data management
- Data and data management
- Data backup - disaster recovery
- Data deduplication
- Database management
- Enterprise content management
- Network-attached storage (NAS)
- Solid state (flash) storage
- Storage administration
- Storage-area network (SAN)
Recently Published Definitions
- data loss prevention (DLP)
Data loss prevention (DLP) -- sometimes referred to as data leak prevention, information loss prevention and extrusion prevention -- is a strategy ...
- GDPR
The General Data Protection Regulation (GDPR) is legislation that updated and unified data privacy laws across the European Union (EU).
Word of the Day
SearchCompliance
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information governance
Information governance is a holistic approach to managing corporate information by implementing processes, roles, controls and ...
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enterprise document management (EDM)
Enterprise document management (EDM) is a strategy for overseeing an organization's paper and electronic documents so they can be...
SearchSecurity
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PKI (public key infrastructure)
PKI (public key infrastructure) is the underlying framework that enables entities -- users and servers -- to securely exchange ...
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obfuscation
Obfuscation means to make something difficult to understand.
SearchHealthIT
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protected health information (PHI) or personal health information
Protected health information (PHI), also referred to as personal health information, is the demographic information, medical ...
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digital health (digital healthcare)
Digital health, or digital healthcare, is a broad, multidisciplinary concept that includes concepts from an intersection between ...
SearchDisasterRecovery
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risk mitigation
Risk mitigation is a strategy to prepare for and lessen the effects of threats faced by a business.
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call tree
A call tree is a layered hierarchical communication model that is used to notify specific individuals of an event and coordinate ...
SearchStorage
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cloud storage
Cloud storage is a service model in which data is transmitted and stored on remote storage systems, where it is maintained, ...
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cloud testing
Cloud testing is the process of using the cloud computing resources of a third-party service provider to test software ...