An evaluation dataset is a held-out set of labeled examples used to measure how well an AI model performs on data it…
An event listener is a function registered on a DOM object that the browser calls whenever a specified event, such as a…
The event loop is the browser scheduling model that runs JavaScript tasks, drains microtasks and decides when the page renders on a…
An event stream is an unbounded, ordered sequence of immutable event records that systems publish and consume continuously as things happen.
Event time in streaming data is the moment an event actually occurred at its source, as opposed to when a system receives…
Evergreen content is material that stays accurate and useful for years, attracting steady search traffic long after publication in content marketing.
An exception is an object or signal that interrupts normal program flow when an error occurs and transfers control to the nearest…
An exclusivity clause in a creator contract bars the creator from working with competing brands in a defined category, territory and period.
Executable space protection marks memory as writable or executable but not both, so injected code in data areas cannot run, as with…
An execution plan is the tree of operators a database chooses to run a SQL query, showing access methods, join order, join…
exFAT is a lightweight file system for flash drives and memory cards that removes the 4 GB file limit of FAT32 and…
Explainable AI covers methods that make AI model decisions understandable to humans, supporting oversight, debugging, fairness review and accountability.
Exponential backoff is a retry strategy that multiplies the wait after each failed attempt, usually with jitter and a cap, to protect…
Exposure bracketing is the technique of shooting a series of frames at different exposures so that at least one, or a blend…
Exposure compensation in photography deliberately shifts the camera's automatic exposure brighter or darker, in stops, when the meter misjudges a scene.
The exposure triangle is the model in photography that links aperture, shutter speed and ISO, showing how each one trades brightness for…
Exposure value is a single number that represents every combination of aperture and shutter speed giving the same exposure in photography.
ext4 is the fourth extended filesystem, the journaling Linux filesystem that stores files in extents and is the default on many distributions.
An external recorder is a device that captures a video camera's HDMI or SDI output, often in higher-quality codecs than the camera…
Eye AF is an autofocus mode that detects a human or animal eye in the frame and keeps focus locked on it,…