By | July 25, 2019
What is a projector

What is a projector? Advantages and disadvantages of projectors?


What is a projector?

How projectors are being used today?

Advantages of projector?

Disadvantages of projector?

Guidelines before using a projector?

What is a projector

What is a projector?

Does one question arises what is a projector? A projector is an output device. It takes images that are generated by the computer or blue-ray player and then reproduces these images by projection onto a screen, wall, or any other surface. Projectors can produce still (slides) or moving images(video). The size of a projector is similar to the size of a toaster and weighs only a few pounds.

A projector comes in different shapes and sizes. Commonly they are about a foot long and wide a few inches tall. Generally, projectors are portable. They can be used wherever there is a bright surface. Most projectors also have multiple output sources like HDMI ports for newer equipment, VGA ports for older devices and some projectors support Wi-Fi and Bluetooth as well.


What is a projector Uses:

There is a list of all the different ways projectors can be used today:

  • It can be projected to a PowerPoint presentation at a business meeting.
  • It can be projected onto a computer screen to teach in school.
  • It can be projected onto a TV
  • It also uses a computer for a movie on a big screen.

Advantages and disadvantages of Projector:

In the previous post, we study about types of topology,  Rad model. We may read about  7 stages of system development life cycle. Now we study the advantages and disadvantages of projector

Advantages of projectors:

  • It is easy to set up.
  • No technical training is needed.
  • You can understand the use of projectors.
  • It is a low cost.
  • It is space-saving.
  • Largest possible view generator.
  • suitable for large and small audiences.
  • you don’t have to show your back to the audience.
  • slides set and projectors are easy to carry.
  • preparation of slides is very easy and not so expensive



Disadvantages of projectors:

  • A blown bulb can spoil all your hard work.
  • A power failure can also destroy all your hard work.
  • Image quality can be a problem.
  • To use a projector darkening of the room is necessary.
  • The amount of information in one slide is limited.
  • The overhead projectors may be costly for some.
  • Moving it around needs much care.
  • It can heat up when used for a long period of time.
  • when over-heated, transparencies can be damaged.


Guidelines before using projectors:

  • Make sure the projectors are available and it is working when needed.
  • Organize transparencies according to proper sequence.
  • Use pointer to point out important details.
  • Check the location/position of the projector.
  • Turn the projectors off when changing transparencies.


Besides what is a projector? You can also read more about given below topics:

What are uses of speakers with its advantages.

What are computer processing devices?


4 Replies to “What is a projector? Advantages and disadvantages of projectors?”

  1. David Johnson

    I hadn’t thought about how projectors are the largest view generators possible. My boss wants to have a big conference so he can train most of the employees at once. We’ll have to look into audiovisual equipment to rent, including projectors.

  2. Noble Milbrandt

    Good day! Would you mind if I share your blog with my facebook group? There’s a lot of people that I think would really appreciate your content. Please let me know. Cheers|


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