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2. Projector - Wikipedia

   en.wikipedia.org/wiki/Projector

   A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens, but some newer types of projectors can project the image directly, by using lasers. A virtual retinal display, or retinal ...

3. Video projector - Wikipedia

   en.wikipedia.org/wiki/Video_projector

   A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp ), Xenon arc lamp, metal halide lamp, LED or solid state blue, RB, RGB or remote fiber-optic RGB lasers ...

4. Audiovisual - Wikipedia

   en.wikipedia.org/wiki/Audiovisual

   Audiovisual (AV) is electronic media possessing both a sound and a visual component, such as slide-tape presentations, films, television programs, corporate conferencing, church services, and live theater productions. Audiovisual service providers frequently offer web streaming, video conferencing, and live broadcast services.

5. Magic lantern - Wikipedia

   en.wikipedia.org/wiki/Magic_lantern

   Magic lantern slide by Carpenter and Westley. The magic lantern, also known by its Latin name lanterna magica, was an early type of image projector that used pictures—paintings, prints, or photographs —on transparent plates (usually made of glass), one or more lenses, and a light source.

6. Church software - Wikipedia

   en.wikipedia.org/wiki/Church_software

   Church management software. Church management software is a specialized software that assists churches and other religious organizations in organization and automation of daily operations. [2] [3] These packages typically assist in the management of membership and mailings, fundraising, events, report generation, and bulletin publishing.

7. Internet church - Wikipedia

   en.wikipedia.org/wiki/Internet_church

   Internet church is a gathering of religious believers facilitated through the use of online video stream, audio stream and/or written messages whose primary purpose is to allow the meeting of a church body of parishioners using the internet. It includes different aspects of Christian community online, especially by those who view this ...