Glossary

Scrum: A framework used in agile project management for iterative development of software products.
ITIL (Information Technology Infrastructure Library): A set of best practices for IT service management (ITSM) that focuses on aligning IT services with the needs of the business.
System Administrator (Sysadmin): often referred to as a sysadmin, is responsible for managing and maintaining computer systems, servers, and networks within an organization.

Blockchain: A decentralized and distributed digital ledger technology used to record transactions across multiple computers in a secure and transparent manner.
Artificial Intelligence (AI): The simulation of human intelligence processes by machines, especially computer systems, to perform tasks such as learning, reasoning, problem-solving, perception, and language understanding.
Internet of Things (IoT): The network of physical devices, vehicles, home appliances, and other items embedded with electronics, software, sensors, actuators, and connectivity, which enables these objects to connect and exchange data.
Virtualization: The process of creating a virtual (rather than actual) version of something, such as a server, operating system, storage device, or network resources.
Machine Learning: A subset of artificial intelligence that enables systems to learn and improve from experience without being explicitly programmed, typically through the use of algorithms and statistical models.
API (Application Programming Interface): A set of protocols, routines, and tools for building software applications. APIs specify how software components should interact.
SaaS (Software as a Service): A software distribution model in which applications are hosted by a third-party provider and made available to customers over the internet.
Encryption: The process of converting plaintext into ciphertext to secure communication or data storage, preventing unauthorized access to sensitive information.

These terminologies cover a wide range of concepts and technologies that are fundamental in the field of Information Technology.