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  2. LCD projector - Wikipedia

    en.wikipedia.org/wiki/LCD_projector

    A projector's throw ratio is used when installing projectors to control the size of the projected display. [1] For example, if the throw ratio is 2:1 and the projector is fourteen feet away from the screen, then the display width will be seven feet.

  3. Slide show - Wikipedia

    en.wikipedia.org/wiki/Slide_show

    According to the introduction of Slide Show, an exhibition organized at the Baltimore Museum of Art: “Through the simple technology of the slide projector and 35 mm color transparency, artists discovered a tool that enabled the transformation of space through the magnification of projected pictures, texts, and images.”

  4. Presentation program - Wikipedia

    en.wikipedia.org/wiki/Presentation_program

    Most modern meeting-rooms and conference halls are configured to include presentation electronics, such as projectors suitable for displaying presentation slides, often driven by the presenter's own laptop, under direct control of the presentation program used to develop the presentation. Often a presenter will present a lecture using the ...

  5. Transparency (projection) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(projection)

    Many overhead projectors are used with a flat-panel LCD which, when used this way, is referred to as a spatial light modulator or SLM. Data projectors are often based on some form of SLM in a projection path. An LCD is a transmissive SLM, whereas other technologies such as Texas Instrument's DLP are reflective SLMs. Not all projectors use SLMs ...

  6. Overhead projector - Wikipedia

    en.wikipedia.org/wiki/Overhead_projector

    In contrast, a modern LCD or DLP projector often uses an Ultra-high-performance lamp which has a higher luminous efficacy and lasts for thousands of hours. [5] A drawback of that technology is the warm up time required for such lamps. Older overhead projectors used a tubular quartz bulb which was mounted above a bowl-shaped polished reflector.

  7. Microsoft PowerPoint - Wikipedia

    en.wikipedia.org/wiki/Microsoft_PowerPoint

    PowerPoint for the web is a free lightweight version of Microsoft PowerPoint available as part of Office on the web, which also includes web versions of Microsoft Excel and Microsoft Word. PowerPoint for the web does not support inserting or editing charts, equations, or audio or video stored on your PC, but they are all displayed in the ...

  8. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    Some LCD panels have native fiber-optic inputs in addition to DVI and HDMI. [155] Many LCD monitors are powered by a 12 V power supply, and if built into a computer can be powered by its 12 V power supply. Can be made with very narrow frame borders, allowing multiple LCD screens to be arrayed side by side to make up what looks like one big screen.

  9. Projection panel - Wikipedia

    en.wikipedia.org/wiki/Projection_panel

    It works with an overhead projector. The panel consists of a translucent LCD, and a fan to keep it cool. The projection panel sits on the bed of the overhead projector, and acts like a piece of transparency. The panels have a VGA input, and sometimes Composite (RCA) and S-Video input. Later models have remotes, with functions such as 'freeze ...

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