It used to be that when you gave a presentation you had to use a slide
projector to project a large image everyone could see. Then the technology
moved forward and people began to use overhead projectors, which made it
easier and less expensive to put on a presentation since overheads were
simple to make. These days the technology has moved forward once again and
people now use an LCD projector for most presentations.
Making presentations with an LCD projector is so much more convenient than
the previous options because you can simply create your presentation on
your computer using a program like PowerPoint, and hook the projector up
directly to the computer without the need to make any hard copies of the
slides you want to show. Using PowerPoint gives you all sorts of options.
You can add the audio portion of the presentation to the slides so all you
have to do is push a button to have the whole presentation happen without
requiring you to do anything other than answer questions at the end.
Of course you still need to have access to the LCD projector in order to do
a presentation this way. However, most major businesses, universities, and
other major venues will have this type of equipment. You can either show
the slides on a blank wall, or, for better viewing, on a good quality
screen. You can make the presentation totally automated so the slides move
from one to the next without you having to do anything, or you can use a
remote to move the presentation along from slide to slide, depending on
There are a large number of options for these types of projectors, so you
should do your research before you decide which one to purchase. One good
place to check is websites that contain customer reviews. These can really
help you to get a good idea of which projectors work the best, and the pros
and cons of each of the different models that you are considering.
Professional reviews are also helpful, if a bit more technical in many
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