IT Glossary - D - ITU Online

IT Glossary
Key Terms To Know In The IT Industry

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Data Access Layer (DAL)

An abstraction layer that manages the connection to the database, allowing for data manipulation and retrieval.

You will find this term commonly used in General IT

Data Activation

The process of making data available and usable for various analytical or operational purposes, often in real-time or near-real-time.

You will find this term commonly used in General IT, AI

Data Aggregation

The process of gathering and summarizing information in a structured form for analysis or reporting.

You will find this term commonly used in General IT, AI

Data Analyst

Processes and analyzes datasets to help businesses make informed decisions based on data insights.

You will find this term commonly used in Data Science, Business Intelligence

Data Analytics

The science of analyzing raw data to make conclusions about that information.

You will find this term commonly used in AI, General IT

Data Anonymization

The process of protecting private or sensitive information by erasing or encrypting identifiers that connect an individual to stored data.

You will find this term commonly used in Security, Cybersecurity

Data Architecture

The overall structure of data and data-related resources as an integral part of the enterprise architecture.

You will find this term commonly used in General IT, Networking

Data Binding

The process of connecting a database, UI elements, or other sources of data to data-consuming mechanisms (e.g., a graphical interface).

You will find this term commonly used in General IT, AI

Data Blending

The process of combining data from multiple sources to create a cohesive dataset, often for analytical purposes.

You will find this term commonly used in General IT, AI

Data Block

The smallest unit of data storage that a database can read or write; often contains multiple records or files.

You will find this term commonly used in General IT

Data Broker

A business that collects personal information about consumers and sells that information to other organizations.

You will find this term commonly used in Security, Cybersecurity

Data Brokerage

The act of aggregating, cleaning, and enhancing data from multiple sources and then selling it to parties interested in using it for analysis, marketing, or other purposes.

You will find this term commonly used in Security, Cybersecurity

Data Caching

The process of storing data in a cache, or temporary storage area, for quick access upon request.

You will find this term commonly used in Networking, General IT

Data Capture

The process of collecting, formatting, and storing data in a computer system or database for further analysis or processing.

You will find this term commonly used in General IT

Data Carving

A technique used in digital forensics to extract data from a digital artifact (e.g., a file or a disk) without the aid of file system metadata.

You will find this term commonly used in Security, Cybersecurity

Data Catalog

A collection of metadata, combined with data management and search tools, that helps managers and other users find, understand, and trust the data they need.

You will find this term commonly used in General IT, AI

Data Center

A facility used to house computer systems and associated components, such as telecommunications and storage systems.

You will find this term commonly used in Networking, General IT

Data Churn

The process of cleaning and preparing data by removing or modifying data that is incorrect, incomplete, improperly formatted, duplicated, or irrelevant.

You will find this term commonly used in General IT, AI

Data Classification

The process of organizing data into categories for its most effective and efficient use.

You will find this term commonly used in Security, Cybersecurity

Data Cleansing

The process of detecting and correcting (or removing) corrupt or inaccurate records from a record set, table, or database.

You will find this term commonly used in General IT, AI

Data Clustering

A technique used in machine learning and data mining that involves grouping sets of data points in such a way that objects in the same group (or cluster) are more similar to each other than to those in other groups.

You will find this term commonly used in AI, General IT

Data Cohort

A group of data points or users grouped together for analysis based on shared characteristics or behaviors over a specified time frame.

You will find this term commonly used in AI, General IT

Data Compression

The process of reducing the size of a data file or data transmission to save space or transmission time.

You will find this term commonly used in General IT, Networking

Data Consistency

The guarantee that a read request to a database returns either the most recent write or an error.

You will find this term commonly used in General IT, Networking

Data Consolidation

The process of combining data from multiple sources into a single dataset, often to provide a more unified view or to improve data quality and consistency.

You will find this term commonly used in General IT

Data Consumer

An individual, application, or service that uses data for purposes such as analysis, decision making, or operational support.

You will find this term commonly used in General IT

Data Containment

The strategy of ensuring that data does not leak outside of a designated environment, particularly for privacy and security reasons.

You will find this term commonly used in Security, Cybersecurity

Data Cube

A multi-dimensional array of values, commonly used to describe a dataset in data warehousing scenarios, which allows data to be modeled and viewed in multiple dimensions.

You will find this term commonly used in General IT, AI

Data Curation

The activity of managing and promoting the use of data from its point of creation to ensure it is fit for contemporary purpose and available for discovery and reuse.

You will find this term commonly used in General IT, AI

Data Deduplication

A specialized data compression technique for eliminating duplicate copies of repeating data.

You will find this term commonly used in Networking, General IT

Data Dictionary

A centralized repository of information about data such as meaning, relationships to other data, origin, usage, and format.

You will find this term commonly used in General IT

Data Dredging

The practice of searching through large volumes of data in order to find patterns and correlations, often without a specific hypothesis in mind, which can lead to misleading conclusions.

You will find this term commonly used in AI, General IT

Data Element

An atomic unit of data that has precise meaning or precise semantics.

You will find this term commonly used in General IT

Data Enclave

A secure computing environment used for storing, handling, and analyzing sensitive data, ensuring that access and analysis of the data comply with legal and privacy constraints.

You will find this term commonly used in Security, Cybersecurity

Data Encryption

The process of converting information or data into a code, especially to prevent unauthorized access.

You will find this term commonly used in Security, Cybersecurity

Data Encryption Standard (DES)

A previously widely used symmetric-key algorithm for the encryption of electronic data.

You will find this term commonly used in Security, Cybersecurity

Data Engineering

The aspect of data science that focuses on practical applications of data collection and data analysis.

You will find this term commonly used in General IT, AI

Data Enrichment

The process of enhancing, refining, and improving raw data.

You will find this term commonly used in General IT, AI

Data Entity

A real-world object or concept about which data is stored in a database.

You will find this term commonly used in General IT

Data Ethics

The branch of ethics that studies and evaluates moral problems related to data (including generation, recording, curation, processing, dissemination, sharing, and use), algorithms (artificial intelligence, artificial agents, machine learning), and corresponding practices (responsible innovation, programming, hacking, professional codes), in relation to the moral values and social norms of society.

You will find this term commonly used in Security, Cybersecurity, General IT

Data Exhaust

The data generated as trails or information byproducts resulting from all digital or online activities.

You will find this term commonly used in Security, General IT

Data Fabric

An architecture and set of data services that provide consistent capabilities across a choice of endpoints spanning on-premises and multiple cloud environments.

You will find this term commonly used in General IT, Networking

Data Federation

The process of integrating data from disparate sources in a virtual database so it can be accessed and analyzed as if it were a single database.

You will find this term commonly used in General IT, Networking

Data Federation Technology

The capability to create a virtual database that aggregates data from multiple sources without moving or copying the data.

You will find this term commonly used in Networking, General IT

Data Filtering

The process of selecting a subset of data from a larger dataset, based on a set of criteria.

You will find this term commonly used in General IT, AI

Data Flow Diagram

A graphical representation of the flow of data through an information system.

You will find this term commonly used in General IT, AI

Data Fusion

The process of integrating multiple data sources to produce more consistent, accurate, and useful information than that provided by any individual data source.

You will find this term commonly used in AI, General IT

Data Governance

The overall management of the availability, usability, integrity, and security of the data employed in an organization.

You will find this term commonly used in General IT, Security

Data Governance Framework

A set of guidelines and standards for data management and usage, ensuring data quality, compliance, and security across an organization.

You will find this term commonly used in Security, Cybersecurity, General IT

Data Harmonization

The process of bringing together data of varying file formats, naming conventions, and columns, and transforming it into one cohesive dataset with a unified view.

You will find this term commonly used in General IT, AI

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