Search results
Results from the WOW.Com Content Network
A chemical element is a chemical substance that cannot be broken down into other substances by chemical reactions. The basic particle that constitutes a chemical element is the atom. Chemical elements are identified by the number of protons in the nuclei of their atoms, [1] known as the element's atomic number. [2]
Digital Item is the basic unit of transaction in the MPEG-21 framework. It is a structured digital object, including a standard representation, identification and metadata.. A Digital Item may be a combination of resources like videos, audio tracks or images; metadata, such as descriptors and identifiers; and structure for describing the relationships between the resources.
The discoveries of the 118 chemical elements known to exist as of 2024 are presented here in chronological order. The elements are listed generally in the order in which each was first defined as the pure element, as the exact date of discovery of most elements cannot be accurately determined. There are plans to synthesize more elements, and it ...
Sound is defined as " (a) Oscillation in pressure, stress, particle displacement, particle velocity, etc., propagated in a medium with internal forces (e.g., elastic or viscous), or the superposition of such propagated oscillation. (b) Auditory sensation evoked by the oscillation described in (a)." [2]
Human-Human interactivity is the communication between people. The word interactivity is related to and stems from the term interaction used by sociologists, which is the actions of at least two individuals who exchange or interplay. It requires levels of messages that respond to previous messages.
Simply put, the three most common elements in multimedia presentations are relevant graphics, audio narration, and explanatory text. Combining any two of these three elements works better than using just one or all three. Modality principle: Deeper learning occurs when graphics are explained by audio narration instead of on-screen text.
Media ethics is the subdivision dealing with the specific ethical principles and standards of media, including broadcast media, film, theatre, the arts, print media and the internet. The field covers many varied and highly controversial topics, ranging from war journalism to Benetton ad campaigns. Media ethics promotes and defends values such ...
Interactive media normally refers to products and services on digital computer-based systems which respond to the user's actions by presenting content such as text, moving image, animation, video and audio. Since its early conception, various forms of interactive media have emerged with impacts on educational and commercial markets.