What are the advantage of overhead projector?

Because overhead projectors display anything you print onto sheets of clear plastic material, their transparencies make it easy to annotate your presentation pages with comments you elicit from your audience or points of emphasis related to your data.

What are the advantages and disadvantages of projector?

Largest possible picture. Front projectors generate the biggest possible image size.

What is the principle of overhead projector?

An overhead projector works on the same principle as a 35mm slide projector, in which a focusing lens projects light from an illuminated slide onto a projection screen where a real image is formed.

What is the strength of projector?

Lumens is a measure of the brightness of a light source. In the case of a projector, it’s the strength of brightness of the projector light. The light output of a projector is stated in lumens, or often, as ANSI (American National Standards Institute) lumens.

Why are chalkboard and overhead projector versatile tools as techniques in classroom instruction?

Projectors enable teachers to create bulleted PowerPoint presentations or other highly organized notes for the class. With the use of projectors in the classroom, students can take better notes with the ability to discern what information the teacher displays is most useful to them.

What are the advantages and disadvantages of overhead projector?

In a pinch, an overhead projector can help you get your message across, but the technology shows its age and its limiting disadvantages.

• Transparencies.
• Heat and Noise.
• Bulky, Heavy Equipment.
• Projection Surface.
• Subject-Matter Limitations.

How a projector can help learners with different learning styles?

The new LCD projectors offer ways of reaching students in different ways. They allow the teacher to interact with students better, to use a multimodal form of teaching and to provide more entertaining ways to teach and get their lesson objectives and facts across.