Presentation technology
Encyclopedia
Presentation technology are tools used to assist in conveying information during a presentation
Presentation
Presentation is the practice of showing and explaining the content of a topic to an audience or learner. Presentations come in nearly as many forms as there are life situations...

.

When a speaker is verbally addressing an audience it is often necessary to use supplementary equipment and media to clarify the point. If the audience is large or the speaker is soft-spoken, a public address
Public address
A public address system is an electronic amplification system with a mixer, amplifier and loudspeakers, used to reinforce a sound source, e.g., a person giving a speech, a DJ playing prerecorded music, and distributing the sound throughout a venue or building.Simple PA systems are often used in...

 system may be employed.

At a basic level, visual content can be provided by drawing directly onto a blackboard or whiteboard during the presentation. At a more advanced level, flip chart
Flip chart
A flip chart is a stationery item resembling a whiteboard, typically supported on a tripod or four-legged easel. A pad of paper sheets is typically fixed to the upper edge. Such charts are commonly used for presentations. The flip chart is thought to have been invented by Peter Kent who built one...

s, slide projector
Slide projector
A slide projector is an opto-mechanical device to view photographic slides. Slide projectors were common in the 1950s to the 1970s as a form of entertainment; family members and friends would gather to view slide shows...

s, and overhead projector
Overhead projector
An overhead projector is a variant of slide projector that is used to display images to an audience.-Mechanism:An overhead projector typically consists of a large box containing a very bright lamp and a fan to cool it. On top of the box is a large fresnel lens that collimates the light...

s are more suitable for displaying prepared content. The use of prepared material often results in a neater, more accessible, and better conveyed presentation.

Laser pointer
Laser pointer
A laser pointer or laser pen is a small portable device with a power source and a laser emitting a very narrow coherent low-powered beam of visible light, intended to be used to highlight something of interest by illuminating it with a small bright spot of colored light...

s or even a simple stick are often used to highlight a particular point of interest within a slide or image. Many manufacturers produce devices that provide remote control over electrical presentation equipment, thus allowing the speaker to move around the stage freely and to activate systems when they are required.

Occasionally still images do not provide enough information to convey the message clearly. For example, the presenter may attempt to describe a complex mechanical movement, in which case animation or video may provide the clearest method of delivery.

Software presentation program
Presentation program
A presentation program is a computer software package used to display information, normally in the form of a slide show...

s combined with digital projectors are frequently used because they provide a visually pleasing presentation and combine multiple media into a single device.

Presentations are often used in the business world where careful attention is paid to the design of the presentation.
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