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  2. Audiovisual education - Wikipedia

    en.wikipedia.org/wiki/Audiovisual_education

    Audiovisual education or multimedia-based education (MBE) is an instruction method where particular attention is paid to the audiovisual or multimedia presentation of the material to improve comprehension and retention.

  3. Voice over IP - Wikipedia

    en.wikipedia.org/wiki/Voice_over_IP

    Voice over Internet Protocol (VoIP), [a] also called IP telephony, is a method and group of technologies for voice calls for the delivery of voice communication sessions over Internet Protocol (IP) networks, [2] such as the Internet.

  4. Digital library - Wikipedia

    en.wikipedia.org/wiki/Digital_library

    The Biodiversity Heritage Library website, an example of a digital library. A digital library (also called an online library, an internet library, a digital repository, a library without walls, or a digital collection) is an online database of digital objects that can include text, still images, audio, video, digital documents, or other digital media formats or a library accessible through the ...

  5. Computer keyboard - Wikipedia

    en.wikipedia.org/wiki/Computer_keyboard

    Typing on a laptop keyboard. A computer keyboard is a peripheral input device modeled after the typewriter keyboard [1] [2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.

  6. Computer graphics - Wikipedia

    en.wikipedia.org/wiki/Computer_graphics

    A Blender screenshot displaying the 3D test model Suzanne. Computer graphics deals with generating images and art with the aid of computers.Computer graphics is a core technology in digital photography, film, video games, digital art, cell phone and computer displays, and many specialized applications.

  7. Virtual reality - Wikipedia

    en.wikipedia.org/wiki/Virtual_reality

    Self-concept is a key indicator of core attitudes and coping abilities, particularly in adolescents. [173] Early studies conducted on observing versus participating in violent VR games suggest that physiological arousal and aggressive thoughts, but not hostile feelings, are higher for participants than for observers of the virtual reality game.

  8. Discrete cosine transform - Wikipedia

    en.wikipedia.org/wiki/Discrete_cosine_transform

    A discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies.The DCT, first proposed by Nasir Ahmed in 1972, is a widely used transformation technique in signal processing and data compression.

  9. Animation - Wikipedia

    en.wikipedia.org/wiki/Animation

    Animation is a filmmaking technique by which still images are manipulated to create moving images.In traditional animation, images are drawn or painted by hand on transparent celluloid sheets to be photographed and exhibited on film.